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Part 1.04: Safe Use of Plant Equipment (Regulatory Document)
1 REGULATORY DOCUMENT ............................................................................... 1
1.4 SAFE USE OF PLANT EQUIPMENT ................................................................... 1
1.4.1 Abrasive Wheels .............................................................................................. 4
1.4.2 Portable Fixing Tools ..................................................................................... 16
1.4.3 Lifting Operations, Equipment and Accessories ............................................ 29
1.4.4 Mobile Elevating Work Platforms ................................................................... 69
1.4.5 Hoists and Hoist Towers ................................................................................ 86
1.4.6 Plant and Work Equipment .......................................................................... 100
1.4.7 Woodworking Machines ............................................................................... 120
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FORWARD
This Section of the Regulatory Document (RD) was produced as a project deliverable under Ministry of
Municipality and Urban Planning Contract Number P2009/3, entitled “Consultancy Services for the
Preparation of Codes and Standards for Safety and Accident Prevention on Construction Sites”.
During the latter stages of the project, the Committee responsible for the administration of the project
decided that the RD and the associated Safety and Accident Prevention Management/Administration
Systems (SAMAS) would be best delivered to stakeholders via the portal provided by the Qatar
Construction Standards (QCS). The QCS includes references and certain sections which address
occupational health and safety. To ensure that that users of the RD/SAMAS are fully aware of the
where occupational health and safety issues are addressed in the QCS, the following table
summarises where potential overlaps may occur. For consistency, it is recommended that in matters
relating to occupational health and safety reference is made first to the RD/SAMAS. For the purpose
of clarity, however, references are made in the relevant section of the RD/SAMAS to their comparable
sections in the QCS and vice versa.
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Sr. No
QCS 2014
Section No.
Part No. Part Name Page No. Item No. Item Name
1 1 7 Submittals 8 7.5.2
Health and Safety Organization
Chart
2 1 7 Submittals 9 7.6.1 Health and Safety Plan
3 1 10 Health and Safety All All All
4 1 11 Engineer's Site Facilities 10 11.4.6 Safety Equipment and Clothing
5 1 14 Temporary Works and Equipment 3 14.4
Test Certificates for Cranes and
Lifting Tackle
6 1 15 Temporary Controls All All All
7 1 16 Traffic Diversions 2 16.1.3 Safety
8 1 8 General 3 8.1.6 Safety
9 3 1 General 8 & 9 1.4.12 Safety and Management
10 4 1
General Requirements for Piling
Work
7 1.6 Safety
11 4 4 Deep Foundations 37 & 38 4.9.1.7 Safety Precautions
12 4 4 Deep Foundations 42 4.9.1.13 Protection of Testing Equipment
13 6 1 General 4 & 5 1.6 Temporary Fencing
14 6 7 Asphalt Plants 15 7.8.13 Safety Requirements
15 6 14 Works in Relation to Services 4 14.2.2 Safety
16 8 1 General
7,8, 9 &
10
1.3.2 Health and Safety
17 8 8 Painting and Protective Coatings 6 8.1.9 Safety
18 8 9 Trenchless Pipeline Construction 7 9.2.5 Safety Requirements
19 8 10
Pipeline Cleaning and Inspection
Survey
4,5&6 10.1.7 Safety Requirements
20 8 11 Sewer Rehabilitation 9 11.2.2 Safety
21 9 1 General 16 1.2.8 Safety Guards
22 9 1 General 19 1.2.16 Noise Levels and Vibration
23 19 5 Hot Water Storage 4 5.1.6 Safety
24 21 1
General Provisions for electrical
Installation
7 & 8 1.1.11 Fire and Safety Precautions
25 21 1
General Provisions for electrical
Installation
14 1.1.23 Safety Interlocks
26 24 1 General 5 1.1.4 Scaffolding
27 29 1 Design Aspects 4 1.1.5 Fire Resistance Period
28 29 3 Geotechnical Specifications 4 2.3.1.5 Safety
29 29 4 Tunnel 18 4.5.8 Safety Regulations
30 29 4 Tunnel 19 4.5.9 Fire Prevention
31 29 4 Tunnel 21 4.6.4 Safety Measures and Systems
32 29 7 Concrete Structures 6 7.1.10 Safety Railing
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Construction Site Safety
1.4.1 Abrasive Wheels
1.4.1.1 Key Points
1 Abrasive wheel machines of all types have the potential to cause severe injury if they are not
used with care.
2 Anyone who uses an abrasive wheel machine must be trained and competent to do so.
3 The potential for danger arises not so much from the machine itself but from the grinding
wheel or cutting-off disc used with the machine.
4 Many accidents are caused by the abrasive wheel being rotated faster than it was designed
to go, which results in it breaking up ('bursting') at high speed.
5 It is essential to check the compatibility of the abrasive wheel or cutting-off disc with the
machine to which it is about to be fitted.
6 The fitting of any abrasive wheel or cutting-off disc to a machine ('mounting') must only be
7 Carried out by someone who is trained and competent to do so.
8 The person who is trained and competent to mount abrasive wheels or cutting-off discs need
not be the same person who is competent to operate the machines.
9 Using an abrasive wheel machine has the potential to cause occupational health problems
and usually the wearing of appropriate PPE will be required.
1.4.1.2 Introduction
1 Abrasive wheels are potentially dangerous if not used correctly. Most accidents result from
selecting the wrong type of wheel or from over-speeding. It is essential that the right abrasive
wheel for the job is chosen; that it is correctly mounted by a competent person; that it is run
at the correct speed and that guards and eye protection are used.
2 In most circumstances abrasive wheels rotate at very high speeds and contact with the
revolving wheel can cause serious injury. When using a grinding wheel, a stream of hot
abrasive particles is thrown off, which can cause injury, particularly to the eyes. Finally, there
is always a risk of the wheel disintegrating or 'bursting' as it revolves. Fragments of the
wheel can be projected a great distance, at high velocity, in every direction.
1.4.1.3 Types of abrasive wheel
1 An abrasive wheel is generally defined as a wheel, cylinder, disc or point having abrasive
particles, and intended to be power driven. It may consist entirely of abrasive particles, or be
of metal, wood, cloth, felt, rubber or paper, with a surface covered with abrasive material. It
may also be formed of a ring or segments of abrasive materials. These types of abrasive
wheels are used for shaping material via grinding operations.
2 Other types of abrasive wheel are those used for cutting rather than grinding operations.
These are circular metal blades, usually with diamond impregnated tips, used for cutting
through concrete, steel, etc.
1.4.1.4 The Management of Health and Safety at Work
1 These Regulations place a requirement on every Contractor to make a suitable and sufficient
assessment of every work activity to identify any hazard that employees or other people
might encounter as a result of the work being carried out.
2 When hazards are identified, it is the Contractors duty to either eliminate the hazard or to put
control measures into place to reduce the risks to health and safety arising out of the
hazards, as far as it is reasonably practicable to do so.
3 The Contractor must provide employees with:
(a) comprehensible and relevant information on any risks that exist out of the work activity
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and of any control measures that are in place to reduce those risks
(b) adequate training to enable employees to work safely.
4 The employee, in turn, has a duty under these Regulations to tell their Contractor of any
work situation which presents a risk to their health and safety or to the health and safety of
any other person who may be affected.
1.4.1.5 Personal Protective Equipment
1 PPE will include some or all of:
(a) high-impact eye protection (possibly a full-face visor) to BS EN 166
(b) hearing protection
(c) possibly hand/forearm protection, depending upon the material that is being cut
(d) possibly respiratory protection,
(e) depending upon what is being cut and whether the machine is fitted with a particle
collection/extraction system.
2 Where risks to health and safety cannot be adequately controlled by other means,
Contractors must:
(a) identify appropriate and suitable PPE that will control the risks to an acceptable level
(b) provide the PPE free of charge to those who are at risk
(c) provide the users of the PPE with adequate instruction and training with regard to:
(i) the risks that the PPE will protect against
(ii) the purpose for which it has been issued and the manner in which it is to be
used
(iii) maintaining the PPE in good working order.
3 The Contractor must take all reasonable steps to ensure that employees use the PPE
provided as directed.
4 Employees for their part must:
(a) use any PPE that has been issued as instructed and in accordance with any training
received
(b) return the PPE to any storage area that has been assigned to it, after use
(c) report any loss or defect in the PPE to the Contractor.
1.4.1.6 Control of Vibration
1 The use of most types of abrasive wheel machine will involve the user either holding the
material to be worked or the machine itself whilst the work activity is carried out. This has the
potential of subjecting the person doing the job to hand/arm vibration.
2 These Regulations place various requirements on Contractors including:
(a) establishing if there is a risk from exposure to vibration
(b) eliminating the risk at source or reducing it to as low as is reasonably practicable
(c) implementing appropriate control measures if the exposure action value is reached
(d) taking appropriate actions if the exposure limit value is reached
(e) providing health surveillance to any employee when the risk assessment indicates that
there is a risk to health
(f) providing at-risk employees with adequate information, instruction and training.
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1.4.1.7 Choosing the correct wheel
1 BS 4481 Part 2:1983 includes a system of marking for abrasive wheels, which has been
adopted by the UK Abrasives Industries Federation. This specifies the type and nature of the
abrasive, grain size, grade and structure, as well as the nature of the bond.
2 Many types and grades of abrasive wheel are available, and the correct selection is
important. As a general rule, soft grade wheels are most suitable for use on hard materials,
and hard grade wheels on soft materials. Coarse grains are for the rapid removal of material,
and fine grains for polishing.
3 The two common British markings in this class are:
(a) A.30.R.BF Suitable for general use on ferrous metals.
(b) C.24.R.BF Suitable for general use on stone, brickwork, concrete, plastic and nonferrous
metals.
4 The use of an unsuitable wheel may result in the wheel face becoming loaded as the pores
are clogged by the material being removed. If the wheel is too hard or too fine it may become
glazed or polished. The consequence, in both cases, may be that the operative will press too
hard, in an attempt to get the work done, and cause the wheel to break.
5 It is important that only reinforced resin-bonded abrasive wheels should be used with
portable grinding machines.
British Standard system for the marking of abrasive wheels (BS 4481)
* Optional symbols The symbols 0 and 6 are the manufacturer's own
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1.4.1.8 Wheels 'bursting'
1 The two main causes of abrasive wheels bursting are:
(a) over-speeding
(b) the incorrect mounting of wheels.
1.4.1.9 Over-speeding
1 Abrasive wheels must not be run in excess of the maximum permissible speed
recommended by the manufacturer. This should be clearly marked in rpm on all wheels over
55 mm in diameter.
2 For smaller wheels, a notice stating the maximum speed permissible should be displayed on
or adjacent to where the machine is being operated. Any type of record may be kept, from
computer database to a written record. The only restrictions are that a hard copy of the
information must be available on request.
1.4.1.10 Speed of spindle
1 Every power-driven machine for use with abrasive wheels should have a notice fixed to it,
specifying the maximum and minimum spindle speeds.
2 Machines that are not marked with their spindle speed must not be used.
3 Sometimes these markings are very small. If this is the case, consideration should be given
to painting or engraving the spindle speed clearly on the machine.
4 Always keep the markings clean and in good condition so that they are easy to read.
5 Care must be taken to see that the maximum speeds are never exceeded. Governors, or
other devices to control or limit speed, must be properly maintained and in good working
order.
6 The speeds of wheels may be checked using stroboscopic timing lights.
1.4.1.11 Peripheral speeds
1 As an abrasive wheel wears down, its peripheral speed is reduced and this, in turn, reduces
its efficiency.
2 A wheel operated at too low a speed will not cut properly and there will be a tendency to
press the workpiece hard against the wheel. This may damage the wheel and cause it to
burst.
3 Care must be taken to operate the wheel at the optimum speed recommended by the
manufacturer.
1.4.1.12 Mounting of wheels
1 In order to be able to demonstrate compliance with legislation, abrasive wheels should only
be mounted by a trained and competent person appointed to this duty by the Contractor.
1.4.1.13 Maintenance
1 In addition to checks immediately before and after each use, every machine should be
regularly and frequently serviced by a competent person in accordance with the
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manufacturer's instructions. A record of this maintenance should be kept.
2 It is good practice to record the type and serial number of all abrasive wheel machines in a
maintenance log, together with the date each machine is due for service. When servicing
has been carried out, ensure that details of any work done are entered in the log, together
with the date that the next service is due.
3 All records should be kept up to date.
1.4.1.14 Appointment of a competent person
1 It is strongly recommended that each appointment to mount abrasive wheels is recorded as
a signed, dated entry in a register or by a certificate attached to that register. Records may
be kept in an electronic format, providing a hard copy can be printed on request. Particulars
of the class and description of the abrasive wheels for which the person is competent should
be stated. A copy of the entry (or certificate) should be given to the person appointed.
2 Note: The suggested layout for a Register of Appointment is attached at Appendix 1. A copy
of a suggested Certificate of Appointment is attached as Appendix 2.
3 A Contractor may revoke the appointment at any time, with a signed and dated entry in the
register.
1.4.1.15 Training
1 Training for the mounting of abrasive wheels must only be given by a competent person,
which often involves attending an external course. It must cover the grades, types and
marking of wheels; the use, hazards, speeds, storage, handling, inspection, testing,
dressing, adjustments; and the functions of associated components such as flanges,
blotters, bushes and locking nuts.
2 Employees who are being trained in the use of abrasive wheels must be provided with
appropriate information, instruction and supervision.
1.4.1.16 Mounting the wheel
Procedure
1 The following procedure should be followed when mounting an abrasive wheel:
(a) ensure the power to the tool is 'OFF'
(b) clean the abrasive wheel with a brush and check for any signs of damage. In no
circumstances should a damaged wheel be used
(c) check that the spindle bearing is not worn
(d) check that the maximum wheel speed is greater than the maximum spindle speed
(e) check that the wheel fits easily and snugly onto the spindle. The correct brushes
should be used if required
(f) check that straight-sided wheels are mounted
between the flanges, with a diameter of not less
than one-third that of the wheel. The flanges
should be recessed on the side which is next to
the wheel, to ensure that the clamping pressure is
not exerted near to the hole
(g) ensure that the driving flange is secured to the
spindle
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(h) check that washers or blotters of paper, or other compressible material, are fitted one
either side (one only on a wheel with a depressed centre). Blotters ensure that the
clamping pressure is distributed evenly over the wheel, and will reduce wear on the
flanges
(i) when tightening the nut on the spindle, use the correct size of spanner. Use hand
pressure only. This will ensure that the flanges drive the wheel and prevent slip
(j) use only the correct locking nuts.
1.4.1.17 Diamond blades
1 As with bonded abrasive wheels, people working
with diamond blades must be properly trained and
competent. Most of the safe procedures and
precautions for using bonded abrasive wheels on
hand-held machines apply to diamond blades.
Additional advice and information can be obtained
from the suppliers and manufacturers.
2 Diamond blades are directional and must be
mounted so that they rotate in the direction marked
on the blade.
3 Diamond blades can be used on hand-held
machines at peripheral speeds of up to 100 m/s,
provided that the machine is designed for this speed
and the marked maximum permissible operating
speed of the blade is not exceeded.
4 Under no circumstances must the blade be allowed
to overheat.
5 Periodically, it may be necessary to redress the blade by making cuts in a special dressing
block or abrasive block.
6 These wheels can last a comparatively long time. Before use and with the power
disconnected, make a special point of checking the condition of the spindle bearings as
these can deteriorate considerably during the lifetime of a diamond-cutting wheel.
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1.4.1.18 In-use considerations
Guards - fixed and hand-held machines
1 The guard should be so designed, and sufficiently robust, to contain any fragments in the
event of the wheel bursting.
2 The guard must be securely attached to the body of the machine, properly adjusted and
maintained.
3 The guard or shield supplied by the manufacturer must be adjusted to permit exposure of the
minimum amount of wheel or disk to enable the job to be carried out. It must not be left off or
altered in any way.
Defects
4 Employees are required to report any defects in work equipment, including abrasive wheels,
guards or tool rests, to their Contractor.
Tool rests
5 Rests should be secured and adjusted so that they are as close as practicable to the wheel,
i.e. no more than 3 mm away. If the gap between the wheel and the rest is too great, the
workpiece may become trapped and an accident may result.
Notices
6 It is good practice to continue to display cautionary notices concerning the dangers of
abrasive wheels, wherever abrasive wheels are used or changed.
1.4.1.19 Health considerations
Protection of eyes
1 During cutting or grinding processes, a stream of dust or abrasive particles and hot sparks is
thrown off. These can cause serious injury to the eyes.
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2 Because there is an obvious risk of eye injuries when an abrasive wheel is being used, eye
protection should be provided in accordance with either goggles or a face shield or visor, to
BS EN 166.
Respiratory protection
3 Depending upon what material is being cut, it is possible that the user of an abrasive wheel
may be vulnerable to inhaling hazardous dust. With fixed machinery such as bench grinders
or fixed concrete saws, it may be possible to reduce airborne dust to a safe level by such
measures as:
(a) installing a fixed local exhaust ventilation system, for example in workshops
4 This would also serve as a useful reminder to employees of the training they have received.
(a) purchasing abrasive wheel machines which incorporate a facility for wet cutting or the
attachment of a stand-alone dust extraction/collection unit
5 If such dust suppression measures are not practical, it will be for the Contractor, or the
person to whom the responsibility is delegated, to assess the hazardous nature of the dust
and provide suitable respiratory protective equipment (RPE), consulting a supplier of PPE if
necessary to establish what is needed
Vibration
6 The very nature of carrying out grinding or cutting activities using abrasive wheels is likely to
subject the person doing the job to a degree of hand-arm vibration. In extreme cases, handarm
vibration can lead to permanent and disabling injuries. Contractors must assess the risk
to employees who carry out such work and put preventative and protective measures in
place to ensure that the health of employees who carry out this type of work is not adversely
affected.
Noise
7 Grinding and cutting operations using abrasive wheel machines will inevitably result in an
increased level of noise, both from the machine itself, for example a petrol-driven disc-cutter,
and from contact between the cutting disc or grinding wheel and the material being worked
upon. In many cases the level of noise generated will exceed the lower exposure action
value, meaning that unless other control measures can be put in place, personal hearing
protection must be made available and worn. Depending upon the level of noise and the
proximity of other people, it may be necessary for them also to wear the hearing protection.
1.4.1.20 Other safety considerations
1 The machine must have an efficient starting and stopping device that is easily accessible
and which can be readily operated.
2 The floor area of the workplace must be kept in good condition, free of loose material, and
should not be slippery.
3 Abrasive wheels should be properly stored, flat and preferably in their boxes and in
accordance with the manufacturer's guidance. Care must be taken to see that any labels are
retained, and not soiled or defaced so as to make them illegible.
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Construction Site Safety
1.4.1 Appendix 1
Specimen Sheet for a Register of Appointment
Appointment of persons to mount abrasive wheels
Appointment
Revocation
Name of person
appointed
Class or
description of
abrasive
wheels for
which
appointment is
made
Date of
appointment
Signature of
occupier or his
agent
Date of
revocation of
appointment
Signature of occupier or
his agent
(1)
(2)
(3)
(4)
(5)
(6)
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
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Construction Site Safety
1.4.1 Appendix 2
Abrasive Wheels
Certificate of Appointment to mount abrasive wheels
Name
Is hereby appointed to mount the following classes or descriptions of abrasive wheels
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
Signature of occupier or occupier's agent:
----------------------------------------------------------------------------------------------------------------------------- ------
Date .............................................
The above is hereby revoked
Signature of occupier or occupier's agent:
----------------------------------------------------------------------------------------------------------------------------- ------
Date .............................................
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Construction Site Safety
1.4.1 Appendix 3
Abrasive wheels
Safety checklist
1 Who is responsible for the selection and the supervision of equipment using abrasive
wheels; are they competent?
2 Have operatives received suitable instruction and training in the use of abrasive wheels
equipment, and are they competent to use it?
3 Are the manufacturer's recommendations and company rules relating to the control and use
of abrasive wheels being observed?
4 Are safety signs and notices displayed where cutting or grinding operations take place?
5 Are the abrasive wheels that are being used suitable for the type of work being carried out?
6 Have all abrasive wheels been mounted by a competent person?
7 Was the competent person appointed by the Contractor in writing, and has an entry been
made in an appropriate register?
8 What types and classes of abrasive wheel or disc is the appointed person entitled to fit and
mount?
9 Have two blotters been supplied with all flat wheels and discs? (Some wheels may not
require blotters, therefore refer to the manufacturer's guidance for the specific wheel to be
mounted.)
10 Are wheels of more than 55 mm in diameter marked with the maximum rotational speeds in
rpm?
11 Are smaller wheels accompanied by details of their maximum rotational speed?
12 Is the maximum permissible spindle speed clearly marked on the machines in rpm?
13 Are checks made to ensure that abrasive wheels are not operated in excess of the maximum
permissible speeds?
14 Are the correct flanges being used?
15 Is the guard fitted compatible with the machine?
16 Is the guard of the correct size, and not been exchanged or altered?
17 Are only reinforced discs used on portable hand-held machines?
18 Are the correct locking nuts used?
19 Are grinding machines complete with guards of the correct size and with tool rests?
20
21 Angle grinder with cutting disc and adjustable guard and depth gauge
22 Are guards and tool rests correctly adjusted and secured?
23 Are machines properly maintained?
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24 Is local exhaust ventilation required and, if so, is it available?
25 Are other dust suppression measures necessary and, if so, have they been taken?
26 What facilities exist to have the spindle or wheel speed checked?
27 Has BS EN 166 eye and other necessary PPE protection been provided for the operator?
28 Is the PPE properly used?
29 Is RPE necessary and, if so, is it provided and used?
30 Have precautions been taken to safeguard other persons who may be affected by grinding
operations?
31 What precautions are taken to ensure that the floor area is free from loose materials and
maintained in a safe condition without risk?
32 Are the storage facilities for abrasive wheels and machines adequate?
33 To whom should operatives report defects?
34 Are all defects reported to the proper person?
35 What action is taken when defects are reported?
36 Has the problem of noise been considered?
37 Is a noise assessment necessary?
38 Are persons who are being trained, properly supervised?
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Construction Site Safety
1.4.2 Portable Fixing Tools
1.4.2.1 Key points
1 Portable fixing tools are used to drive fixing devices into a base material using either
cartridges or a gas canister providing the propellant.
2 They can be extremely dangerous if used incorrectly. Operatives must be trained and
competent and be of a sufficiently mature and responsible disposition.
3 Poor technique, or the use of incorrect equipment, will result in poor or defective fixing.
4 The tool, type of cartridge or fuel cell, type of fixing and the base material must all be
compatible.
5 In most cases, items of additional PPE, in addition to helmet, boots and hi-viz, will have to be
worn.
6 At the end of the job all unused cartridges must be accounted for.
1.4.2.2 Introduction
1 Portable fixing tools use the power of an explosive charge or a gas propellant to drive a
fixing device into position. They are particularly useful if there is a large number of repetitive
fixings to be made, where a portable fixing tool reduces the time and labour expended in this
area. However, the resemblance of the tools to the shape and action of a gun can lead to
their misuse, especially by young and inexperienced workers.
2 It should always be remembered that portable fixing tools are potentially lethal if they are
used recklessly or incompetently.
1.4.2.3 The Management of Health and Safety at Work
1 These Regulations place a requirement on every Contractor to make a suitable and sufficient
assessment of every work activity to identify any hazard that employees or other people
might encounter as a result of the work being carried out.
2 When hazards are identified, it is the Contractors duty to either eliminate the hazard or to put
control measures into place to reduce the risks to health and safety arising out of the
hazards, as far as is reasonably practicable.
3 The Contractor must provide employees with comprehensible and relevant information on
any risks that exist in the workplace and on any control measures that are in place to reduce
those risks.
4 These Regulations also require that the Contractor provides employees with adequate
information, instruction, training and supervision to be able to carry out any work safely and
without risk to their health.
5 Employees, for their part, have a duty under these Regulations to tell their Contractor of any
work situation which presents a risk to the health and safety of themselves or any others who
may be affected.
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1.4.2.4 The Provision and Use of Work Equipment
1 These Regulations require that the Contractor only supplies work equipment that is correct
and suitable for the job and ensures that the equipment is maintained and kept in good
working order.
2 Contractors must ensure that where the safety of work equipment depends upon the way it is
installed, it is inspected as necessary.
3 These Regulations require that where the use of any equipment involves a specific risk to
the health and safety of employees, use must be restricted to competent and specified
workers. This is of particular relevance to the user of portable fixing tools.
4 Employees must be provided with information, instruction and training in the use of work
equipment, where necessary for their health and safety.
5 Proper training (which is offered by all tool manufacturers) and continual care in their issue
and use is therefore essential.
6 Before portable fixing tools can be used, a risk assessment must be carried out.
1.4.2.5 The Control of Vibration at Work
1 The use of any percussive tool, such as one repeatedly operated by firing a cartridge or fuel
cell, has the potential to subject the person doing the job to hand/arm vibration.
2 These Regulations place various requirements on Contractors including:
(a) establishing if there is a risk from exposure to vibration
(b) eliminating the risk at source or reducing it to be as low as is reasonably practicable
(c) implementing appropriate control measures if the exposure action value is reached
(d) taking appropriate actions if the exposure limit value is reached
(e) providing health surveillance to any employee when the risk assessment indicates that
there is a risk to health
(f) providing at-risk employees with adequate information, instruction and training.
1.4.2.6 Personal Protective Equipment
1 PPE will be needed including:
(a) high-impact eye protection (possibly a full-face visor) to BS EN 166-B
(b) hearing protection.
2 Where risks to health and safety cannot be adequately controlled by other means,
Contractors must:
(a) identify appropriate and suitable PPE that will control the risks to an acceptable level
(b) provide the PPE free of charge to those who are at risk
(c) provide the users of the PPE with adequate instruction and training with regard to:
(i) the risks that the PPE will protect against
(ii) the purpose for which it has been issued and the manner in which it is to be
used
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(iii) maintaining the PPE in good working order.
3 The Contractor must take all reasonable steps to ensure that employees use the PPE
provided as directed.
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4 Employees for their part must:
(a) use any PPE that has been issued as instructed and in accordance with any training
received
(b) return the PPE to any storage area that has been assigned to it, after use
(c) report any loss or defect in the PPE to the Contractor.
1.4.2.7 The safe use of cartridge-operated tools
1 A cartridge-operated tool works by using a firing cap or cartridge to provide propellant to
drive a fixing home. The primary factors which will ensure the proper and safe use of
cartridge tools are:
(a) adequate information, instruction, training and supervision
(b) competent and responsible users
(c) the compatibility of the base material, the type of fixing and the cartridge strength
(d) restricting access to the work area during fixing activities
(e) the provision and use of appropriate PPE
(f) carrying out activities in accordance with BS 4078-1, Code of practice for safe use
(g) using cartridge-operated tools that comply with BS 4078-2.
2 Note: Cartridge tools must not be used in areas where a flammable atmosphere or risk of
dust explosion may exist.
Don't 'fool about' with cartridge-operated tools
1.4.2.8 Types of tool
3 There are two main types of cartridge-operated tool.
(a) Indirect-acting. The driving force is transmitted to the fixing by means of the
expanding explosive gas acting on a piston.
(b) Direct-acting. The explosive force of the cartridge acts directly on the fixing, driving it
along the barrel into the wall or material.
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1.4.2.9 Power level of tools
1 Cartridge tools are generally classed as high power and low power.
2 Low power is defined as giving the pin a kinetic energy not greater than 3.5 m/kg/f and a
velocity not greater than 98.5 m per sec.
3 High power applies to any values greater than those above. Using high power tools can
result in dangerous through-shoots. This is where the fixing is fired right through the material.
4 Most of the commonly available tools are low power and indirect-acting. These are by far the
safest. There are high power tools for special applications, and some old high power (directacting)
tools are still in use.
5 Hammer-activated tools are nearly always low power.
6 Some modern tools have provision for varying the power level (within the low power range)
by means of an adjustment which changes the size of the gas expansion chamber. There
are also interchangeable pistons for different fixings or depths of penetration. Tools
incorporating these features require a smaller range of cartridges.
1.4.2.10 Safety devices
1 All tools should incorporate a contact pressure safety device, which prevents them being
fired unless the muzzle is pressed hard against the workface. They should always
incorporate a drop-firing safety device which prevents the tool from firing when it is dropped
onto a hard surface.
2 In addition, some tools are equipped with an unintentional firing safety device. This prevents
the tool from firing if the trigger is pulled before the tool is pressed against the work surface.
3 It should only be possible to fire the tool when it is correctly pressed against the work
surface.
1.4.2.11 Cartridges
1 Cartridges are designed for specific brands or types of tool and are not interchangeable,
even if they are of a similar type or appearance.
2 Cartridges are available in different strengths. It is preferable to start with a lower strength
cartridge for a test fixing and then change to a more powerful cartridge if the depth of
penetration is not sufficient.
3 BS 4078 requires the strength of the cartridges to be marked on the packaging and each
cartridge to be colour-coded to indicate its strength.
4 The colour codes set out in BS 4078 are as follows:
Cartridge strength Colour
Extra Low (XL) Brown
Low (L) Green
Low/Medium (LM) Yellow
Medium (M) Blue
Medium/High (MH) Red
High (H) White
Extra High (XH) Black
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5 It should be noted that the code is not universally followed, and that colour-coding alone
must never be relied on as an indicator of the cartridge strength. Cartridges should be
retained in the packaging (which identifies their strength) and not carried loose. Both
cartridges and fixing nails are now available on plastic strips.
6 Proper controls must be put in place to account for all dispensed and unused cartridges.
7 Unused, or unserviceable cartridges which cannot be fired, are hazardous and in no
circumstances should be exposed to fire or heat or be subject to mechanical impact.
8 The supplier should be contacted to discuss suitable arrangements for the return/disposal of
any unused or unserviceable cartridges. Cartridges should be returned to their original
packaging so that they can be properly identified.
1.4.2.12 Fixings
1 Fixings are generally either drive nails, eyelet nails or threaded studs. Designed to penetrate
wood, steel and concrete, they have special characteristics of strength, hardness, shape and
size which make them suitable for the purpose to which they are to be put. Ordinary nails
and screws must never be used as substitutes.
1.4.2.13 Suitability of base materials
1 Attempting to fix into unsuitable materials with cartridge tools is dangerous. Before firing the
first fixing, a simple test should be made by driving a fixing of the intended type into the base
material with a hammer. The result will show whether the material is suitable. No attempt
should be made to fix into unsuitable materials. The table below provides general guidance.
Material Result Conclusion
Plaster, plywood,
lightweight blocks
Sinks in easily Too soft
Marble, some rock,
hardened steel, weld
metal
Fixing blunted Too hard
Glass, glazed tiles,
slates, some cast-iron
Material cracks or
shatters
Too brittle
Sound wood, concrete,
mild steel
Clear impression of
fastener point
Suitable
1.4.2.14 Hazards in use
1 Hazards from the use of cartridge tools generally arise from one or more of the following
three factors:
(a) lack of competence, knowledge or training
(b) misuse, whether this be deliberate or due to ignorance of proper use
(c) poor maintenance, rendering the equipment defective or unsafe.
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2 Two conditions which specially need to be guarded against are through penetration, where
the fixing goes through the material emerging in free flight on the other side, and ricochet,
possibly towards the operator, where the fixing is deflected after firing.
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1.4.2.15 Causes of through penetration:
1 cartridge too powerful for the job being
undertaken
2 fixing into voids in the structure
3 the material being fixed into is too thin
4 changes in the type or consistency of the
material being penetrated
5 not establishing the density of the material being
fixed into.
Penetration due to a change in the type of material
To avoid these hazards:
6 check the suitability of the material for cartridge-fired fixing
7 if necessary, make a trial fixing using a low-powered cartridge
8 check the area behind the material or structure into which the fixing is being fired, and guard
the area so as to prevent the access of unauthorised persons
9 use an indirect acting tool.
1.4.2.16 Causes of ricochet:
1 firing into a hole of a previously attempted fixing
2 attempting to fix into excessively hard materials,
such as hardened steel or welded areas
3 cartridge tools not held square onto the work
surface, causing the pin to strike at an angle and
then be deflected
4 attempting to fix too near to an edge
5 hitting a reinforcing rod or dense aggregate hidden just under the surface
6 ricochet due to firing too near to edge
To avoid ricochets:
(a) fixings should be at the recommended distance (or greater) from failed attempts
(b) do not fix into unfamiliar materials without first checking their suitability for cartridge
fixing
(c) tools should be at right angles to the work surface. The whole rim of the splinter guard
should be firmly placed against the workface so as to stabilise the tool and not leave
gaps. (See diagrams below.)
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7 The risk of ricocheting is reduced by the use of low-powered, indirect-acting tools. If highpowered
tools are used, there is a risk that the fixing can be deflected and come back
towards the operator.
1.4.2.17 Fixing into concrete
1 The advice of cartridge tool manufacturers should be sought before
attempting to fix into concrete which is over two years old or any other
special type of concrete.
2 Depth of material. Generally, concrete should be at least 100 mm thick
or three times the depth of the fixing penetration, to avoid fixings breaking
through the back surface.
Fixing breaking through
3 Penetration. Concrete varies in hardness, and trial fixings may be necessary to establish
the optimum penetration.
4 Spading in concrete is caused by the initial compressive impact of the
tool and results in a crater being formed around the fixing. It may be due to
the fixing being too large or through using a cartridge that is too powerful.
Spalling can reduce holding strength of the fixing by up to 20%.
Spalling of concrete
5 Edge failure is the result of attempting to fix too near to the edge of the material, causing it
to break away. The minimum distances given below should be
observed.
6 Fixing distances. Always leave at least 75 mm between the
edge of the material and the nearest fixing, or from a failed
attempt.
Minimum distances between fixings into concrete
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7 Fixing into masonry requires greater penetration. Fixings should not be made into mortar
joints unless no other choice exists, and then only after seeking advice from the cartridge
tool manufacturer.
1.4.2.18 Fixing into steel
1 Fixing distances. The minimum fixing distances
are 12 mm from an edge of the material being
fixed into and 25 mm from any other fixing or failed
fixing, or 2.5 times the fixing shank diameter from
an edge and 6 times the shank diameter from
another fixing respectively (where this is greater
than the distance detailed above).
Minimum distance between fixings into steel
2 The shank diameter of a fixing should always be less
than the thickness of the steel being fired into.
Shank diameter less than thickness of steel
3 Penetration. For maximum holding strength, fixings (whenever possible) should penetrate
just through the steel being fixed into.
1.4.2.19 General precautions
1 Recoil of a cartridge tool can lead to loss of balance if working from an unstable workplace.
In this instance, only low-power tools should be used. Operators not familiar with cartridge
tools, or with the type of tool to be used, should test the tool for recoil before use. In all
circumstances, an adequate and safe footing is a necessity. Makeshift platforms should not
be used.
2 Misfires. In the event of a misfire, the cartridge tool should be kept pressed in position
against the workface for at least 30 seconds, to allow for any delayed detonation. Following
this time period, the cartridge must then be removed strictly in accordance with the
manufacturer's instructions. Cartridges which have misfired should be stored in a metal box
and returned to the supplier.
3 Note: Misfired cartridges should not be removed from the tool by levering under the rim.
Some types are rim detonated and could be fired by this action. Only the proper extraction
tool as supplied by the manufacturer should be used.
4 Loading of tools should be carried out immediately prior to use. Once the tool is loaded, it
must never be pointed towards other people or at any part of the operator's body. Unused
cartridges must be removed from the tool as soon as
possible.
1.4.2.20 Storage and issue of tools
1 Only responsible and competent persons should supervise
and check the acquisition, issue, use, return and
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maintenance of cartridge-operated tools.
2 Cartridge-operated tools and cartridges should be stored in a place which is secure, dry and
cool. The issue of such tools and cartridges should be strictly controlled, and licensed if
necessary.
Storage box
3 The following points should be clearly noted and understood:
(a) cartridge tools should only be stored in an unloaded state
(b) different strengths of cartridge should be clearly identified and kept separate
(c) the use of different makes of equipment on one site should be limited as far as
possible
(d) the manufacturer's instructions on the safe use of the cartridge tool should be
available.
1.4.2.21 Gas powered tools
1 Lighter duty gas powered tools can be used for the fixing of timber and other low density
materials. These fixing tools are generally lighter in weight and use a battery and fuel cell,
either propane or other gas, to act as a propellant rather than a cartridge. The fuel cell,
typically a small aerosol canister, is mounted within the tool. The safety issues that need to
be considered when using a gas powered tool are:
(a) operators must be trained. Usually this can be provided by the supplier of the
equipment. Operators must also be in possession of the relevant equipment
instructions with which they must be familiar
(b) the tool and the fuel cells must not be exposed to extremes of heat nor used within a
flammable atmosphere
(c) during use, harmful fumes are expelled and therefore the tool should be used in a well
ventilated area
(d) when firing, the operator must be in a stable position and holding the tool at right
angles to the work
(e) firing must not take place when others are behind the work. As with cartridge tools,
through-penetration can occur
(f) if a malfunction occurs, unlike when using a cartridge tool, the tool can usually be fired
again. However, the manufacturer's instruction manual should be consulted
(g) because of the mode of operation and speed of use, the tool can become hot
(reference should be made to warnings of hot areas on the tool).
1.4.2.22 Personal protective equipment
1 Personal protective equipment, complying with the relevant British Standards, should be
used by operatives using cartridge-operated and gas-operated tools, as follows:
(a) eye protection to BS EN 166-B must be provided and worn at all times when handling
cartridge-operated tools, their cartridges or gas-operated tools
(b) noise levels will vary with the make of tool but all tools create a high intensity, short
duration noise. Suitable hearing protection should be worn
(c) safety helmets to BS EN 379 should be worn while cartridge tools are in use.
2 The safety of other persons in the vicinity of where cartridge-operated or gas-operated tools
are being used, a factor which should have been covered in the risk assessment, must be
considered and all necessary precautions taken.
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1.4.2.23 Selection, training and supervision
1 The selection and training of personnel should take the following points into consideration:
(a) operatives should be properly and adequately trained and be competent in the use of
the equipment and aware of the hazards which may arise
(b) they should be tested for colour blindness (cartridge-operated tools only)
(c) it is recommended that only persons over 18 years of age are allowed to use portable
fixing tools
(d) operatives selected to use these tools should be of a mature and responsible
disposition
(e) adequate close supervision must be provided where necessary, for example when the
operator of a portable tool is inexperienced.
2 Training can usually be sourced from the supplier or manufacturer of the equipment.
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Construction Site Safety
1.4.2 Appendix
Portable fixing tools
Safety checklist
1 Has a suitable and sufficient risk assessment been carried out?
2 Has adequate information, instruction, training and supervision been provided?
3 Is the activity carried out in accordance with BS 4078-1?
4 Does all cartridge-operated tool equipment comply with BS 4078-2, (BS EN 792 for gaspowered
fasteners) including the provision of splinter guards?
5 Are the operatives selected for training in the use of portable fixing tools of a mature and
responsible disposition?
6 Who is responsible for the maintenance, issue and return of equipment including any unused
cartridges?
7 Are operatives properly trained and aware of hazards associated with portable fixing tools,
especially penetration, ricochets, misfiring, and the misuse of tools?
8 Are safe systems of work in operation? Do they cover the above hazards?
9 Are checks made to ensure that procedures are being observed and especially to ensure
that loaded tools are not left lying about?
10 Are all cartridges and fuel cells kept in a cool, dry place, under lock and key?
11 Are cartridges clearly marked to indicate their strength?
12 Is the correct PPE available as required and is it being worn correctly?
13 Is the place where the work with fixing tools is being carried out safe for the tool user and for
any other people who may be in the vicinity?
14 Is there a need to create an 'exclusion zone' around the work area?
15 Where will cartridge-operated tools and their associated cartridges be securely stored on
site?
16 Will fixing tools and their cartridges and fuel cells be stored in accordance with the
manufacturer's instructions?
17 Is the tool correct and suitable for the job?
18 Are tools equipped with suitable safety devices?
19 Are operatives fully aware of cartridge colour codes?
20 Are operatives aware of the different types of fixings?
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Construction Site Safety
1.4.3 Lifting Operations, Equipment and Accessories
1.4.3.1 Key points
1 Many accidents occur during lifting operations because they were not properly thought
through in advance.
2 All lifting operations must be carried out by, and under the control of, trained and competent
persons.
3 The safe working load (SWL) of any item of lifting equipment or lifting accessory must never
be exceeded.
4 All equipment and accessories used for lifting operations must be subjected to a schedule of
inspections and thorough examinations.
5 In addition to the equipment and accessories used, attention must also be paid to site
features such as overhead cables, unstable ground conditions and adjacent properties.
Note: Section 1, Part 14.4 of the QCS covers the certification of lifting equipment and
Section 9, Part 7 of the QCS covers lifting equipment.
1.4.3.2 Introduction
1 Experience has shown that lifting operations can be hazardous work activities if not properly
planned and carried out. Safe lifting operations will depend upon:
(a) The availability of suitable lifting equipment, that is properly maintained
(b) the provision of adequate information, instruction, training or supervision for everyone
involved
(c) thorough pre-planning of each lifting operation
(d) compliance with safe systems of work as detailed in risk assessments and method
statements (lifting plan).
2 These Regulations require that safe systems of work are developed, accidents that have
occurred during lifting operations indicate that all too often these are not in place or not
complied with if they are in place.
3 Unsafe working and accidents result from:
(a) a lack of training or knowledge of the equipment
(b) poor maintenance of the equipment
(c) the correct (or recommended) plant or equipment not being available
(d) the misuse of plant and equipment
(e) insufficient or inaccurate information on the load
(f) insufficient or inaccurate information on underground hazards, such as buried services
(g) unstable ground collapsing under the weight of the crane and its load
(h) failure to take account of adverse weather conditions
(i) poor slinging of the load
(j) rushing to get the job done.
4 Note: BS 7121-1 General gives advice on the safe use of cranes but excludes manuallySouth
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operated cranes and those mounted on waterborne vessels, except where a land-based
crane is temporarily fixed to such a vessel.
5 It details safe systems of work and the control of lifting operations, which include site
preparation, along with the rigging and de-rigging of cranes.
6 The Code of Practice to BS 7121 also introduces the term 'signaller' in place of 'banksman'.
Throughout the following text any reference to a banksman has been replaced with
signaller.
1.4.3.3 The Management of Health and Safety at Work
1 These Regulations place a requirement on every Contractor to make a suitable and sufficient
assessment of every work activity to identify any hazard that employees or other persons
might encounter as a result of the work being carried out.
2 When hazards are identified, it is then the Contractor's duty to either eliminate the hazard or
to put control measures into place to reduce the risks to health and safety arising out of the
hazards, as far as is reasonably practicable.
3 The Contractor must provide employees with comprehensible and relevant information on
any risks that exist in the workplace and on any control measures that are in place to reduce
those risks.
4 Employees, for their part, have a duty under these Regulations to tell their Contractor of any
work situation which presents a risk to the health and safety of themselves or any other
persons who may be affected.
5 The Regulations require that, additionally, the Contractor provides employees with adequate
information, instruction, training and supervision to be able to carry out any work safely and
without risks to their health.
1.4.3.4 Risk assessments
1 Before any lift is carried out, a suitable and sufficient risk assessment must be carried out
under these Regulations, although where lifting activities are repetitive with broadly the same
hazards and levels of risk, a single risk assessment to cover all the lifts might be satisfactory
in some situations.
1.4.3.5 Lifting Operations and Lifting Equipment
1 The main requirements are:
(a) lifting equipment and accessories must be of adequate strength and the lifting
equipment stable, for each lift undertaken
(b) lifting equipment used for lifting persons is constructed and used so as to protect the
safety of the person(s) being carried
(c) lifting equipment must be positioned or installed so as to prevent the lifting equipment
or the load striking a person, or the load otherwise becoming out of control
(d) the load must be under full and proper control at all times
(e) lifting equipment must be equipped with suitable devices to prevent any person falling
down a shaft or hoistway
(f) lifting equipment and accessories must be clearly marked with their safe working load
and other markings if designed for lifting persons
(g) every lift must be properly planned by a competent person, properly supervised and
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carried out safely
(h) lifting equipment must be subjected to a programme of inspections and thorough
examination as appropriate
(i) reports of thorough examination must be made and retained, with all defects notified
to the Contractor who must take appropriate actions.
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1.4.3.6 The Provision and Use of Work Equipment
1 All lifting equipment and accessories for lifting are classified as work equipment and must
therefore also comply with these Regulations.
2 These Regulations require that Contractors only provide work equipment that is suitable for
the job and ensure that it is maintained and kept in good working order.
3 Contractors must ensure that where the safety of work equipment depends upon the way it is
installed, it is inspected as necessary.
4 Where the use of the equipment involves a specific risk to the health and safety of
employees, the use of the equipment must be restricted to competent and specified workers.
5 Dangerous parts of machinery must be adequately guarded, preferably by fixed guards that
cannot be defeated or removed.
6 Employees must be provided with information, instruction and training in the use of work
equipment, where necessary for their health and safety.
1.4.3.7 Work at Height
1 The use of some lifting equipment, for example tower cranes, will inevitably involve
employees having to work at height, the legal definition of which includes getting up to the
high-level work place and getting down again. Even standing on the tracks of a crawler crane
would be classified as working at height if a fall from that place could result in personal
injury.
2 The key provisions of these Regulations are (briefly) that Contractors should:
(a) where it is reasonably practicable, avoid the need to carry out work at height
(b) where such work cannot be avoided, to select the most appropriate work equipment
for the work and to prevent falls
(c) reduce the distance, and potential consequences, of any fall
(d) ensure that the work is properly planned, risk-assessment based and carried out
safely by competent persons
(e) equipment used for working at height is appropriately selected and inspected as
specified
(f) establish danger areas from which people must be excluded, when there is a danger
of them falling or being struck by falling objects
(g) measures are taken to prevent anyone being injured by falling objects.
1.4.3.8 Construction (Design and Management) CDM
1 CDM has implications for the way in which lifting operations are carried out:
(a) designers must ensure the health and safety of anyone engaged in lifting operations,
for example by designing-in lifting points on components that will have to be craned
into place
(b) designers must provide sufficient information regarding their designs, such as notifying
the weight of any component that has to be craned into place
(c) there must be safe places of work, including getting to and from the place of work
(d) traffic routes must be suitable for the vehicles that will have to pass over them, for
example, mobile cranes must be used and moved in a way that pedestrians are not
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put at risk
(e) there must be suitable and sufficient lighting for every place of work and traffic route
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1.4.3.9 Definitions
1 Appointed person: A person who has the competence, adequate training, authority and
experience to take overall responsibility and control of a lifting operation, having been
appointed by the management of the organisation or organisations that require the load to be
moved.
2 Competent person (for the purposes of inspection and examination): A person who has the
practical and theoretical knowledge together with actual experience of what they are to
examine so as to enable them to detect errors, defects, faults or weaknesses, which it is the
purpose of the examination or inspection to discover; and to assess the importance of any
such discovery.
3 Crane co-ordinator: A person who plans and directs the sequence of operations of cranes
to ensure that they do not collide with other cranes, loads and other equipment (for example,
concrete placing booms, telehandlers and piling rigs).
4 Crane supervisor: A person who controls the lifting operation and ensures that it is carried
out in accordance with the appointed person's safe system of work.
5 Crane operator: A person who operates the crane for the purpose of moving and
positioning loads or erection of the crane.
6 Lifting accessory: A lifting beam or frame, chain sling, rope sling or similar gear, a ring, link,
hook, interlocks, plate clamp, shackle, swivel or eyebolt, and any loose equipment used with
lifting gear.
7 Lifting equipment: A piece of work equipment for lifting or lowering loads including a crab,
winch, pulley block or gin wheel (for raising or lowering), a hoist, crane, shearlegs,
excavator, dragline, piling frame, aerial cable way, aerial ropeway or overhead runway,
goods hoists, mobile elevated work platforms, scissor lifts, vehicle hoists, ropes used for
access, forklift trucks, lorry loaders (hiabs) and passenger lifts.
8 Mobile crane: A crane capable of travelling under its own power, but does not include a
crane that travels on a line of rails.
9 Plant and equipment: Any plant, equipment, gear, machinery, apparatus or appliance, or
part thereof.
10 Safe working load (SWL): The maximum load that can be safely lifted by any item of lifting
equipment, such as a crane or hoist, or any accessory for lifting.
11 Note 1: The safe working load includes the weight of the hook block and all the lifting gear.
The weight of these should be deducted from the declared safe working load of the lifting
equipment to obtain the net load that can be safely lifted.
12 Thorough examination: An examination by a competent person in such depth and detail as
the competent person considers necessary to enable them to determine whether the
equipment being examined is safe to continue in use.
1.4.3.10 Safe systems of work
1 A safe system of work should be devised and effectively communicated to all those involved
in a lifting operation. It must include:
(a) thorough planning of the operation, along with the selection, provision and use of
suitable cranes and equipment
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(b) any necessary preparation of the site and erection and dismantling of the crane(s)
(c) ensuring that all equipment has been maintained, tested and examined as necessary
(d) operation of all equipment by trained and competent people
(e) supervision of the lift by trained and competent people, with the authority to progress
or stop a job as necessary
(f) safe slinging of the load by a trained and competent person
(g) the provision of all test certificates and other documentation relevant to the equipment
being used
(h) the prevention of unauthorised use or movement of equipment, both by workers or
members of the public who may be trespassing
(i) an effective means of communication between all members of the team during lifting
operations
(j) the safety of all persons, both those involved in the lift as well as those not involved in
the lift but who may be affected by the lifting operation.
1.4.3.11 Construction and support
1 Every crane and item of lifting equipment must be properly made and strong enough to carry
out the work for which it is intended.
2 Foundations, stages, scaffolds, derrick masts and anchorages that have to carry a load must
be of good construction and adequate strength. All temporary support structures should be
certified by a competent temporary works engineer and a 'Permit to Load' issued before any
support is loaded.
3 Winch frames must be made of metal. Separate crane jibs must be clearly marked to identify
which crane they are part of.
1.4.3.12 Platforms
1 Platforms for crane drivers and signallers must be large enough to allow the person to do
their work properly, close boarded or plated and fitted with access ladders or steps.
2 Where a risk assessment indicates that there is a possibility of injury resulting from a person
falling from the platform of a crane, suitable guard-rails and toe-boards should be provided to
prevent such an occurrence. Guard-rails should be at least 950 mm above the working
platform. The gap between the guard-rails and between the lower - guard-rail and toe-board
must not exceed 470 mm. Guard-rails and toe-boards may be removed for temporary
access.
1.4.3.13 Cabin
1 Generally speaking, a crane should be provided with a cabin to give the driver protection
from the weather. The cabin should afford an unrestricted view of the work in hand and
permit access to any machinery contained within the cab, for maintenance, etc. Where
practicable, it should be cooled in hot weather and heated in cool weather.
2 Cabins are not required, however, when the plant is indoors or otherwise protected (unless it
is mobile) and will not lift more than 1 tonne or where, in the case of a hoist, it can be
operated from a landing platform or inside the cage.
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1.4.3.14 Drums and pulleys
1 The size of a drum or pulley must match the size of the rope or chain being used. The rope
or chain must be anchored to the drum and there should be never less than two 'dead' turns
remaining on the drum.
1.4.3.15 Brakes, controls, etc.
1 Cranes, winches, etc. must be fitted with brakes capable of holding and controlling the
maximum load. Controls on all lifting devices must be clearly marked and designed so that
they cannot be operated accidentally.
2 Cranes with derricking jibs
3 If the derricking motion of a crane is driven by the hoist motor through a clutch, and can only
be controlled by the hoist brake, an interlock must be fitted to prevent dual operation.
1.4.3.16 Access
1 Ladders, platforms or handholds must be provided to give safe access to all parts of the
crane or lifting appliance that need inspection or regular maintenance, and from which a
person may fall from height.
1.4.3.17 Hired cranes
1 Where a crane is hired, the responsibility for ensuring compliance with these Regulations lies
with:
(a) the hire company to ensure work equipment is maintained, inspected and tested as
appropriate, and to provide information to the hirer
(b) the person hiring the crane to ensure they have selected suitable work equipment and
that it complies with all relevant legislation.
2 Where the hirer arranges for the crane hire company to carry out a 'contract lift', the crane
hire company takes on the total responsibility for all aspects of the safety of the lifting
operations.
3 The responsibilities for hired and contract lifts are clarified below:
4 Hired crane (hired and managed). The employing organisation should:
(a) carry out all work in accordance with BS 7121
(b) supply the appointed person
(c) plan the lift and operate a safe system of work
(d) ensure that the crane hired is of a suitable type and capacity
(e) check the credentials of the crane company and certification supplied.
5 The crane owner has a duty to:
(a) provide a crane that is properly maintained, tested and certified
(b) provide a competent driver.
6 Contract lift (fully contracted). The employing organisation should specify:
(a) that all work is to be undertaken in accordance with BS 7121
(b) that the lifting contractor is to supply the appointed person
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(c) what information and/or services will be provided to the lifting contractor by the
employing organisation.
7 The lifting contractor is responsible for:
(a) supplying the appointed person
(b) planning the lift, and operation of a safe system of work
(c) organisation and control of the lifting operation.
1.4.3.18 Siting
1 The site engineer, in consultation with the appointed person, usually decides on the siting of
cranes or other lifting appliances. In the case of mobile cranes, the operator is responsible
for ensuring that the movement and position of the crane are both safe and suitable under
the direction of the crane supervisor and in accordance with the appointed person's safe
system of work.
2 The crane operator should check that any ramps, slopes, gates, archways, buildings, trees
or overhead lines do not present an obstacle or danger, and that refuelling or other service
vehicles can gain access without causing a hazard.
3 A minimum 600 mm-wide clearance between travelling or slewing cranes and any fixed
object (guard-rail, adjacent building, etc.) must be maintained. Where this is not practical,
any place where a person might be trapped must be blocked by enclosing it with barriers.
1.4.3.19 Overhead power cables
1 Particular care should be taken when siting cranes or other lifting appliances close to
overhead power cables. The jib or boom does not need to touch a live power cable, a
'flashover' can occur over some distance depending on the voltage carried by the overhead
cables and the level of moisture in the air.
2 The minimum recommended safe working distance away from overhead cables is the
length of the jib of the crane, plus 9 metres if the cable is slung on wooden or metal poles
and 15 metres if the cable is slung on pylons. This is measured with the jib pointing towards
the cable, even when the crane will be working in the opposite direction.
3 If the minimum safe working distance cannot be maintained, the electricity supply company
should be consulted to enable a safe system of work to be devised.
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4 The 'danger area' must be clearly marked off with stakes, flags, or similar indicators and,
where it is necessary to pass below overhead power cables, 'goal posts' should be set up to
indicate the maximum clearance height, as specified by the local electricity supply company.
5 Materials, including rubbish, should not be deposited in this area.
1.4.3.20 Stability
1 A crane must have a stable and level base. The stability and load-bearing capacity of the
ground must be sufficient to carry the most severe static and dynamic loads, taking into
account such factors as the slewing torques, wind stresses and shock loading, as well as the
weight of the crane and its load.
2 Care must be taken to see that the ground is firm and stable. Excavations which may not
have been correctly filled in, as well as cellars, culverts, tunnels and shafts, may all reduce
the stability of the ground and constitute a hazard to machinery and heavy loads.
3 It is also important to identify underground services and to carry out any temporary
protection measures that may be required. The failure of a water main due to overloading,
for example, can dramatically reduce the load bearing capacity of the ground.
4 The same principles apply when a crane is sited on a street or roadway for the purpose of
working into a site.
5 Adverse weather, such as rain (producing soft ground) and strong winds, can rapidly affect
the stability of a crane, and no crane should be used without these factors first being
considered.
1.4.3.21 Outriggers
1 The majority of mobile cranes are fitted with
outriggers to increase the area of the supporting
base. Outriggers are effective only if they are
deployed correctly.
2 The safe rule is to use outriggers for all lifting
duties (except where 'free on wheels' duties are
required). ALL the outriggers must be extended
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fully and equally, on both sides.
3 If the stability of the ground is in any way suspect, suitable grillage must be used under each
outrigger to reduce the ground area loading.
4 Where operating on a slight slope cannot be avoided, the operating area should be built up
to give a level base (see diagram below). A slope of as little as 1 ° can significantly affect the
stability and capacity of a crane, particularly where long jibs are in use.
1.4.3.22 Ballast, anchorage, etc.
1 Cranes may need to be anchored to the ground or other
foundations, or have counterweights or ballast to
prevent them overturning. The anchorage or ballast
should be checked each time the crane is erected, and
after bad weather.
2 Before a crane is put to work, any new anchorage or
ballast must be checked by applying a load 25% greater
than the maximum rated load. If this test shows the
crane cannot be worked safely with its normal load, it
may still be used, if it is sufficiently derated. Such tests
may only be carried out by a competent person. A
modified loading diagram should then be fixed to the
crane where it can be seen by the operator. Other lifting
control documentation, such as the lift plan and method statement, should also be modified
accordingly. A record of the test should be kept.
1.4.3.23 Rigging and de-rigging
Rigging
1 No crane or other lifting appliance may be erected unless under the supervision of a
competent person, such as the operator or crane supervisor.
De-rigging
2 The de-rigging of a crane must also be carried out under the supervision of a competent
person, normally the crane operator, plus any other persons as recommended by the
manufacturer.
3 Care must be taken to see that nobody stands under any jib section while the connecting
pins are being withdrawn. People have been killed through doing so.
1.4.3.24 Rated capacity indicators, etc.
1 Rated capacity indicators (previously known as automatic safe load indicators), radius load
indicators and motion limit switches, together with their audio-visual warning systems, are
fitted to cranes and other lifting appliances. Their purpose is to prevent any item of lifting
equipment from operating outside its safe operating parameters. Under no circumstances
should these devices be overridden or disabled.
2 During rigging (including the fitting of jib extensions and changes in reeving) it will be
necessary to reset these warning indicators to take account of load conditions and operating
radius. They must be tested by a competent person before use.
3 These requirements do not apply to guy derricks, small cranes (less than 1 tonne SWL), any
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hand-operated crane used in crane erection, and some hydraulic cranes.
4 They must be inspected by a competent person on a weekly basis, and inspections
recorded.
1.4.3.25 Crane markings
1 All cranes and other lifting appliances must be clearly marked with their maximum safe
working load (SWL). If the lifting radius can be varied, an indicator must be fitted which
shows the safe load at each operating radius.
2 All cranes or lifting appliances which are designed for lifting persons should be identified as
such. Cranes and lifting equipment that are not designed for lifting persons, and might be
used in error for this purpose, should also be clearly marked to this effect.
3 All cranes and other lifting appliances must carry clear identification marks.
1.4.3.26 Lorry loader cranes - interlocks
1 Lorry loader cranes must be fitted with an interlocking system (or equivalent engineering
solution) to prevent cranes from operating without their stabilisers extended.
1.4.3.27 Lifting operations
Control of lifting operations
1 A person, other than the crane operator, should be appointed to take responsibility for the
organisation and control of any lifting operations on behalf of the management.
2 They should be adequately trained and have the necessary experience to be deemed
competent. The appointed person should be formally notified in writing of their appointment.
3 The appointed person must:
(a) assess the proposed lift to identify the hazards and corresponding risks, provide for
planning, selection of equipment, instruction and supervision to enable the work to be
carried out safely
(b) ensure that all tests, inspections, examinations and maintenance have been carried
out, and that there is a procedure for reporting defects and taking any necessary
corrective action
(c) ensure that the crane supervisor is fully briefed on the relevant sections of the lift plan
and contents of method statements
(d) have the authority to carry out their duties and to stop the operations if they think there
is a danger.
4 The appointed person's duties, but not their responsibilities, may be delegated to another
competent person.
5 Drivers of cranes and other lifting appliances, and others involved in lifting operations,
including signallers, must be adequately trained, experienced and of a mature disposition.
The recommended age is 18 years or over, unless under the direct supervision of a
competent person for the purpose of training.
1.4.3.28 Signals
1 If a driver cannot see the load during the whole lifting operation, they must have one or more
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trained signallers or some other signalling system (e.g. radio) to enable them to handle the
load safely.
2 Signallers must be in a safe position, have a clear view of the path of the load and have
effective communication with the driver. Signals must be clear and distinct. Mechanical or
electrical signals should be kept in good order and safeguarded against accidental operation.
3 It is very important that clear and precise words of command are given so that there can be
no misunderstandings.
4 A positive decision is needed on the use of words; for example, which word you would use:
(a) up or raise or lift or hoist
(b) similarly,
(c) lower or down or rest, etc.
5 The use of hand signals should be equally clear and everyone involved in the lift must be
made aware of whether the hand signals specified in:
(a) BS 7121 Safe use of cranes Part 1 (as shown in Appendix 7).
1.4.3.29 Restriction on use
1 A hoisting mechanism should be used for - raising and lowering loads vertically and for no
other purpose, unless it is designed to do so, competently supervised and can be done
without overstressing the crane structure or mechanism or endangering its stability.
2 Crane jibs must not be worked at a radius greater than that specified on the test certificate.
1.4.3.30 Safe working load
1 In no circumstances must the load on the lifting equipment exceed the safe working load
(SWL), except when under test by an authorised competent person.
2 When lifting near to the SWL, the load should be raised a short distance only and the
operation stopped to check stability and safety before continuing. Wind-loading will affect
how near to the SWL a crane can operate. Care must also be taken when planning to lift
loads out of water, as the load may suddenly increase beyond the SWL since the support
previously given by the water no longer exists.
3 When two cranes or other lifting appliances have to be used for one load, each must work
within its safe load, and must remain stable throughout the lift. Multiple lifts of this type must
be supervised by a specially appointed competent person (see tandem lifts on the next
page).
1.4.3.31 Loads
Slinging loads
1 Many accidents associated with lifting operations are caused by faulty slinging (for example,
overloading, use of the wrong type of sling, unbalanced or insecure loads). This results in the
load falling or tipping out of control with damage to plant, machinery and to the load.
2 The crane operator will often have to rely on the slinger or signaller, who should be trained,
competent and aware of the possible hazards arising from the use of lifting accessories.
3 Loads must be correctly slung and made secure to prevent any part of them slipping and
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falling. The slinging of loads must only be carried out by someone who has been trained and
is competent to do so.
4 Many crane accidents feature loads that fall from height because they were not correctly
slung.
5 Precautions must be taken to prevent the load striking, or becoming snagged on, any
obstacle or causing other items to fall from height.
6 As far as possible, loose materials (bricks, slates, etc.) should ideally be banded and on
pallets when being lifted. If not, they should be lifted in a properly constructed box or other
container.
7 If loose materials are carried on a hoist, side pieces should be fitted to prevent anything
falling. Wheelbarrows and trucks must be prevented from moving and should not be
overfilled.
8 Loads should not be suspended or carried over areas occupied by persons. However, where
this is not practicable, a safe system of work should be developed to minimise any risks to
those below the load.
9 The safe system of work should include, for example, the prevention of access to the danger
area below a suspended or moving load, by barriers or other means, ensuring the load is
adequately secured and that the operator is in control of the movement at all times.
Anchored loads
10 Cranes are not designed to pull loads free from their attachment to their surroundings. The
additional loading stress cannot be accurately determined and, when a load does break free,
the sudden shock can result in damage to the boom or crane machinery, failure of the sling,
failure of the wire, whiplash and other dangers.
Unstable loads
11 In circumstances where the centre of gravity of a load is
not known or where it is known to be off-centre, these
factors must be allowed for when planning the lift. An
example is the lifting of long columns from the vertical,
where the load could become unstable and topple the
crane. A written procedure setting out a safe system of
work should be prepared to cover such operations.
1.4.3.32 Tandem lifts
1 Tandem lifts (lifting a load using two or more cranes
simultaneously) is a specialist activity. This type of lift must only be planned and supervised
by someone who has been trained and is competent in the techniques and calculations
involved. The main factors to be considered when planning multiple lifts are the total weight
and distribution of the load, its centre of gravity, the weight and capacity of any lifting
accessories and synchronisation of the crane motions.
1.4.3.33 Demolition and dismantling work
1 Lifting loads from a place that is significantly above ground level demands the utmost care
and, in particular, an accurate assessment of the weight of the load and its point of balance.
By the time the load is 'on the hook' it may be too late to call a halt and start again. Loads
should be raised about 150 mm and held, while the stability is assessed, before proceeding.
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1.4.3.34 Carriage of persons
1 Some items of lifting equipment, such as MEWPs or suspended cradles, are specifically
designed for the lifting of persons and this type of equipment should be used wherever
possible.
2 However, it is sometimes necessary to adapt equipment that is primarily designed for lifting
materials to lift persons. An example of this is the fitting of a temporary working platform to
the forks of a forklift truck. In such circumstances the working platform must:
(a) be fully compatible with the forklift truck to which it is fitted
(b) conform to the requirements of working at height with regard to guard-rails and toeboards
(c) be securely fixed to the forks so that it cannot become detached or otherwise unstable
(d) prevent access to otherwise exposed dangerous parts of the forklift truck
(e) be protected against overhead hazards.
3 These Regulations require that all work equipment designed for carrying persons:
(a) be constructed to prevent a person using it from being crushed, trapped, or falling
from the carrier, either whilst in transit or carrying out work from the carrier
(b) be equipped with suitable devices to prevent the 'person carrier' falling
(c) is such that a person trapped in a carrier is not exposed to danger and can be freed.
4 Furthermore, if a 'man-riding' cradle suspended from a crane is being used, BS 7172 Part 1
advises that the cradle:
(a) is prevented from spinning or tipping
(b) is controlled as described in the section on tower cranes.
1.4.3.35 Maintenance
1 Contractors to ensure that work equipment (which includes lifting equipment and
accessories) is maintained in an efficient state, in efficient working order and in good repair.
2 Therefore, lifting equipment and accessories for lifting must be properly maintained, although
the frequency of maintaining work equipment is not specified.
3 As far as lifting equipment and lifting accessories are concerned, maintenance will normally
be carried out in accordance with the manufacturer's instructions, using 'check-sheets,
lubrication charts, etc. Maintenance must be carried out by a competent person who is
familiar with the equipment and has the knowledge and experience to detect existing or
potential faults.
4 The extent of the maintenance activities will vary between different types of lifting equipment
depending upon its complexity. For example, maintaining a tower crane at one end of the
scale and a gin-wheel at the other. Where the equipment has a maintenance log, it must be
kept up to date.
1.4.3.36 Thorough examination and inspection
Thorough examination
1 These Regulations place a duty on Contractors to ensure that all lifting equipment and lifting
accessories are subjected to a schedule of thorough examinations by a competent person at
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intervals not exceeding:
(a) six months for lifting equipment used for lifting persons and all lifting accessories
(b) 12 months for other lifting equipment.
2 The competent person might decide, for a variety of reasons, that a schedule of more
frequent examinations is appropriate.
3 A thorough examination must also be carried out after any other event likely to have affected
the safety of any lifting equipment or accessories or where the equipment has been out of
use for a long period.
4 Furthermore, where the safety of lifting equipment depends upon the way it has been
installed (as for the many items of temporary lifting equipment used on construction sites,
such as tower cranes), it must be thoroughly examined after assembly and before being put
into service at a new site or a new location on the same site.
5 The competent person must have sufficient practical and theoretical knowledge and
experience of the lifting equipment to enable defects and weaknesses to be detected, and
their importance in relation to the safety of the equipment to be assessed.
6 The competent person should also be sufficiently independent of the operation to ensure that
there is no fear or favour in any recommendations made as a result of the thorough
examination.
1.4.3.37 Inspection
1 These Regulations also require that, where appropriate, as determined by a risk
assessment, intermediate inspections of lifting equipment are carried out although the
frequency of inspections is not specified. Depending upon the complexity of the equipment it
might be appropriate to put in place two levels of inspection: daily and weekly.
2 Again, these inspections must be carried out by someone who is competent to do so
although, in most cases, the same depth of technical knowledge will not be required as for
thorough examinations. In some cases, for example carrying out a daily pre-use inspection
of a mobile crane, it would be reasonable to expect the operator to be able to carry out the
inspection.
3 Some factors that will determine the frequency and 'depth' of any inspection are;
(a) if the equipment is being used in a hostile environment
(b) if failure becomes more likely due to repeated use
(c) the critical nature of some components, such as the 'rated capacity indicator'
(d) the potential for the equipment to be tampered with, for example a mobile crane left
overnight in a public place.
4 Some of the things covered by inspections include, but are not limited to:
(a) the soundness of materials, attachments, fittings, outriggers, jibs, ropes and hooks
(b) the testing of the rated capacity indicator, the correct settings of cams, linkages and
switches, and the correct working of audio-visual warning signals
(c) the mechanical condition of the lifting equipment
(d) routine maintenance (lubrication, tyre pressures and hydraulic fluid level).
5 In summary, any lifting equipment which is used in conditions commonly found in the
building and construction industry should not be used unless it is:
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(a) mechanically sound and free from any defects affecting its safe operation
(b) properly maintained
(c) regularly inspected, either weekly or to an agreed programme, when in use, usually by
the operator, or other authorised person
(d) thoroughly examined every 12 months (every six months when used for lifting people)
by a competent person and after any exceptional circumstances likely to affect the
safety of the lifting equipment
(e) tested and thoroughly examined
6 Following any repairs or alterations which may affect the strength or stability of the lifting
equipment.
1.4.3.38 Reports
1 These Regulations establish a regime of good maintenance and record keeping, whilst
allowing the competent person to determine the schedule of inspections and thorough
examinations.
2 An essential requirement, under these Regulations and good business practice, is to
maintain records of maintenance and the results of inspections, thorough examinations and
tests.
3 Evidence of inspections, thorough examinations and tests must accompany lifting equipment
and accessories for lifting when they are hired, leased or loaned to other users.
4 Where thorough examinations or tests are carried out by the user during the period of hire,
lease or loan, the owner of the lifting equipment or accessory must be informed of the results
of each thorough examination or test.
5 The format in which the records of inspections, thorough examinations and tests are kept is
not specified in these Regulations. However, records must be readily accessible, although
they can be stored in an electronic format providing a hard copy can be produced on
request.
6 Reports of thorough examinations should contain the information in Appendix 6 of this
section.
7 Again, the records can be held in electronic form, but must be readily available to the user of
the lifting equipment or accessory for lifting provided that the following safeguards are
incorporated into the system.
(a) The records must be capable of being reproduced as hard copy when required.
(b) The information must be secure against loss or unauthorised interference.
(c) The information must be authenticated only by a person who is in a position to declare
that the information is correct.
1.4.3.39 Tower cranes
1 Tower cranes can present particular safety considerations when used on site.
(a) Generally they are self-erecting and dismantling, or erected and dismantled using a
large mobile crane for which provision has to be made in terms of space and stable
ground conditions.
(b) Portable tower cranes, often controlled remotely from the ground, need to be treated
the same as a mobile crane.
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(c) They require detailed attention to the foundation (static crane) or rails (mobile crane);
manufacturers or suppliers should be consulted.
(d) In many cases they have the capacity to over-sail adjacent properties and areas to
which the public have access;
2 Arrangements will have to be made:
(a) Where the right to over-sail adjacent property is not given, it may be necessary and
feasible to:
(iv) rearrange the siting of the tower crane(s)
(v) review the type of crane required, for example a luffing-jib crane might be the
only solution.
(b) The required airspace must be confirmed with regard to the proximity of adjacent
structures, overhead power lines or other obstructions.
(c) The requirement for airspace may need to be discussed with any local airport to
establish that there will be no intrusion into, or unacceptably near to, aircraft flight
paths.
(d) There may be a requirement for an aircraft warning light or beacon on the highest
point of the crane; the colour intensity and whether it is on steady or flashes will
depend upon the local rules for any flight path affected.
(e) On sites where more than one tower crane is erected, there may be overlapping arcs
of operation when slewing; anti clash devices should be fitted.
(f) As a result of the above, the cranes should be erected with their jibs at different
heights; crane slewing operations will have to be co-ordinated.
(g) Electrically powered cranes will require a heavy duty power supply and the crane must
be effectively earthed to protect against electrical faults and lightning strikes, including
earthing of the appropriate rails.
(h) High winds can temporarily stop tower crane operations; each crane should be fitted
with an anemometer (wind-speed indicator).
(i) In high winds, tower cranes must be left in 'free slew' with their hooks raised.
(j) If used for lifting persons, a tower crane must:
(i) only be capable of lowering the load under power controlled conditions, i.e. not
under 'free-fall'
(ii) be equipped with an automatic braking system, e.g. a 'dead-man's' handle type
of control.
(k) A rescue plan must be in place in the event of an accident or incident, for example, the
operator becoming ill. The emergency services have no obligation to carry out such
rescues and are often not able to assist because of the height of the rescue and
because of restricted access for large vehicles such as fire service turntable ladders.
(l) Tower cranes must be secured against unauthorised access, including climbing the
tower and unauthorised use.
(m) A lifting plan approved by an appointed person must be in place.
1.4.3.40 Excavators used as cranes
1 Excavators, loaders and combined excavator loaders may be used as cranes in connection
with work directly associated with an excavation, and any other application where this type of
equipment can be used.
2 All work is subject to a suitable and sufficient risk assessment, subsequent control measures
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and capabilities of the work equipment.
3 The risk assessment should take account of the fact that when a machine is in the object
handling mode (being used as a crane), it will be necessary for the slinger to approach the
machine to hook the load on and off. This person will be in what is regarded as a hazardous
area and much nearer to the machine than anyone would be in normal circumstances. The
slinger is at risk of being struck by the load, bucket or excavator arm if the excavator moves
or slews rapidly. Excavator operators and slingers must be made aware of these dangers;
effective communication and constant vigilance are essential.
4 The risk assessment must also establish whether the machine is suitable for the proposed
task. The weight of the bucket (if still fitted) plus the quick hitch must be added to the weight
of the load to establish if the machine will be working within its safe working load. Ideally,
unless there are good reasons for not doing so, the bucket will be removed to improve the
machine operator's visibility.
5 The risk assessment must also address:
(a) the need for the lifting operation to be ideally segregated from other work activities
taking place in the vicinity, particularly where it is necessary for the machine to travel
with a raised load
(b) the ground conditions, particularly where a tracked excavator will carry out the lifting
operation. Such machines have no means of levelling themselves and are therefore
dependent upon the ground being sufficiently level to track across it and carry out the
lifting operation safely.
6 The safe working load must be clearly marked on the machine and any lifting accessories,
such as a quick hitch. A rated object handling capacity table must be available in the cab.
7 If the rated lifting capacity for an excavator (or the backhoe of a backhoe-loader) is greater
than 1 tonne (or the overturning moment is greater than 40,000 Nm), the machine must be
fitted with:
(a) a boom lowering control device on the raising boom cylinder(s) (a safety check valve),
which meets the requirements of BS 6912:1, and
(b) an acoustic or visual warning device, which indicates to the operator when the object
handling capacity or corresponding load moment is reached.
8 Chains or slings for lifting must not be placed around or on the teeth of the bucket.
Accessories for lifting may only be attached to a purpose-made point on the machine.
9 Whilst BS 7121 may not specifically refer to excavators used as cranes, compliance with all
the appropriate parts of BS 7121 would be required.
1.4.3.41 Security when not in use
1 The manufacturer's handbook will contain recommendations for securing the crane when it is
not in use, to minimise the chance of tampering, vandalism and damage.
2 The measures to be taken will vary for different types and makes of crane, and may also
vary depending upon the length of time that a crane will be out of use.
3 However, in general:
(a) Do not leave loads suspended
(b) Do remove operating keys
(c) Do lock cabs and, where appropriate, prevent unauthorised access using other
means.
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1.4.3.42 Strong wind conditions
1 Crane manufacturers' operating instructions will specify a maximum wind speed for safe
operation.
2 This may be a single wind speed for all configurations of the crane or may vary, depending
on the jib length, the radius, the load and other factors.
3 The manufacturers' instructions will also indicate the actions to be taken to leave the crane in
a safe manner if the wind does exceed the maximum safe operating speed.
4 A copy of the Beaufort Scale, that outlines the visible signs of various wind strengths, is
included in this section at Appendix 8.
1.4.3.43 Accessories for lifting
1 Ropes, chains, eye bolts and slings are all examples of accessories for lifting. They must be
clearly marked with their safe working load.
2 All lifting accessories must also be:
(a) properly constructed and maintained
(b) free of any defect or damage likely to affect their strength
(c) regularly maintained and inspected
(d) thoroughly examined
(e) securely attached to the lifting equipment, for example the crane, and the load
(f) used within their safe working load.
3 Accessories used for lifting must be inspected and thoroughly examined, with records kept
as specified in Appendix 5.
1.4.3.44 Marking
1 Every rope, chain, etc. must be
clearly marked with its SWL and
carry an identifying mark. Where
this is not possible then a coding
system, such as a tag or colour
code, should be used to allow the
user to determine the safe working
load. A lifting accessory may also
be marked with its own weight
which is a consideration when
assessing the total load to be lifted.
2 Where the SWL depends on the configuration of a lifting accessory, such as a two leg chain,
then the SWL for each configuration should be clearly marked on the equipment using a tag
or by a chart available at the point of use.
1.4.3.45 Overloading
1 Ropes, chains, etc. must never be overloaded except under test and as authorised by an
experienced and competent person.
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1.4.3.46 Preventing damage
1 The edges and corners of a load should be packed to prevent sharp edges damaging lifting
ropes, chains or slings.
1.4.3.47 Hooks
1 All hooks used for lifting must be fitted with a safety catch, or should be moused, or so
shaped as to prevent the sling eye or load coming off the hook
.
1.4.3.48 Slings
1 Slings must be attached correctly to the lifting equipment by an approved method, either by
securing the ring directly onto the hook if size permits, or by use of a suitable shackle, fitted
with the pin of the shackle on the hook and the load suspended from the bow.
2 The correct method of slinging will vary with the types of load, the different materials or items
lifted. It is essential to see that the load is secure. Care must be taken to see that slings are
not damaged, and suspect or defective slings must be discarded.
3 Dog ropes or tag lines, securely attached to the end of the load, should be used when
handling long or large loads, to direct the load into position and prevent it spinning. Tag lines
should be as short as possible.
See the slinger and signaller safety checklist in
Appendix 4 to this section.
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4 Multiple slings (two-legged, three-legged, etc.) must be connected by a ring or shackle and
the load properly distributed so that no leg is overloaded.
5 When in use, the angles between sling legs should be less than 90°. At angles greater than
this, the strain on each leg increases very rapidly to a point where they may break because
of overloading.
6 With a simple two-legged parallel sling, the load on each leg is half the total load. As the
angle between sling legs increases,
the load on each sling leg increases
to approximately double at an angle
of 120°.
7 With a sling angle of 90°, the SWL of
the sling should be at least 43%
greater than the nominal weight of
the load.
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How the load in each sling leg increases as the angle between the sling legs is increased
(Refer to manufacturer's SWL tables)
1.4.3.49 Repaired ropes, chains, etc.
1 Any chain sling, etc. that has been altered or repaired by welding must be examined and retested,
and an inspection or examination carried out before taking it back into use. The
record should be kept until the next scheduled thorough examination.
2 Knotted ropes, chains or slings and those which have been shortened or joined by nuts and
bolts through the links must not be used.
3 Any chain, sling or lifting equipment or accessory for lifting which is thought to have suffered
a loss of strength or is otherwise defective should be withdrawn from use and quarantined.
The equipment should be scrapped or re-examined by a competent person who will
recommend that either it can be put back into service or must be disposed of.
1.4.3.50 Construction of slings
1 Slings are available in a wide range of styles made from many different materials to suit
particular purposes.
2 Chain slings are made from various grades of steel. They can stretch and the links, rings or
hooks may become distorted and fracture if subject to excess stress.
3 Chain slings should only be shortened by using the correct shortening clutches. Chains must
not be knotted or joined by nuts and bolts. Hooks must be of the 'C' type or fitted with a
safety latch.
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4 Wire rope slings are made from drawn steel wire. Each leg of the sling will have an eye
formed at either end. Wire rope slings may be damaged
when 'kinked' sharply or if put under stress when twisted.
Steel wire rope may be damaged by corrosion through
poor care and storage.
5 Wire ropes should never be used if more than 5% (1 in
20) of the wires can be seen to be broken in any 10 x
diameter, length.
6 Wire ropes should also not be used where they have
been flattened such that there is a 10% reduction in rope
diameter.
7 Wire rope slings must not be made up on site using
bulldog grips.
8 Wire ropes and slings are of many different types of
construction, each having properties related to usage. It is therefore important, when
ordering an item, to specify the intended use.
9 Fibre rope slings might be made from natural fibres (manila, sisal, hemp) or synthetic
fibres. Slings made from natural fibres can be prone to rotting. Only purpose-made slings,
clearly marked with their SWL, should be used on site.
10 On no account should slings be fabricated from lengths of rope found laying around site.
Fibre rope slings are more easily cut or damaged, and should be visually examined by a
competent person every time before use to ensure they are serviceable. Natural fibre ropes
should not be used for making up slings on site.
11 Synthetic fibre ropes do not rot but can be affected by some chemicals. Care should be
taken to avoid contamination with alkalis or acids. Suspect or contaminated synthetic fibre
ropes and slings must not be used.
12 Flat lifting slings are used where special lifting operations are required and afford a certain
amount of protection to the load.
13 Flat and round slings may be made of woven
synthetic materials (such as nylon, polyester,
polypropylene and terylene) with 'eyes' sewn in, or
plastic-coated wire mesh, or formed by a series of
plaited wire ropes between two end fittings. These
might also be covered with a plastic material. All
woven materials are prone to damage and should be
regularly checked for serviceability. Slings should be
protected from sharp edges and placed evenly about
the load, not twisted. Care must be taken to see that
the SWL is not reduced by having a sling angle
greater than 90°.
1.4.3.51 Shackles
1 Two types of shackle are commonly used
in lifting operations. They are the Bow
type shackle and Dee type shackle, both
of which are available with threaded or
plain pins.
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2 Only bow type shackles may be used to suspend a load from a hook. The shackle must be
positioned with the pin across the hook and the load suspended from the bow. If necessary,
spacers should be fitted over the pin to centralise the shackle on the hook.
3 Overloading, out of balance loads and misuse can distort shackles; they should be checked
regularly for shape and wear.
1.4.3.52 Eyebolts
1 Eyebolts are made to screw into or through
a load and may be plain (dynamo) or have
collars, with or without links. The plain
eyebolt is good only for vertical loading.
Even when a collared eyebolt is used, the
safe working load is reduced if the load to
which it is attached initially lifted at an
angle.
2 Collared eyebolts with links may be used
providing the angle of load to the axis of
eyebolt thread does not exceed 15°. Over 15°, safe working loads must be derated in
accordance with BS 4278: Specification for eyebolts for lifting purposes.
3 When installed, the collar must be at right angles to the hole, should be in full contact with
the surface, and be properly tightened.
4 The load should always be applied in the plane of the eye, never in the other direction. If
necessary, washers or shims should be inserted below the collar to ensure that the eye is
correctly aligned when tight.
5 Extreme care must be taken to ensure that metric threaded eyebolts are not inserted in
imperial threaded holes. Although these might appear to match, it is an interference fit only,
and the mechanical strength may be almost nothing.
1.4.3.53 Bulldog grips (wire rope grips)
1 Bulldog grips, if used properly to make an eye with a thimble, provide a simple and effective
means of securing the ends of wire ropes instead of splicing or socketing. The final SWL will
be about 75% of that of the wire. It is essential that the correct size and type of grip is used,
that the wire is clean and that the correct torque is applied when tightening the grips.
2 Bulldog grips must be fitted with the 'U' bolt on the dead or tail end of the line (non loadbearing
end). There must be no deviation from this practice.
Correct method of fitting wire rope grips
Note: The number of wire rope grips shown in the above illustration is insufficient. The figure is
schematic only.
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3 Wire rope grips meeting the requirements of BS EN 13411 are efficient when correctly
installed by a competent person. Generally, when using wire rope grips, the previous
numbers of grips should be used and they should be tightened to the relevant torque.
However, in all cases, the manufacturer's recommendations, in addition to the advice given
in the standard, should be closely followed.
Maximum nominal
rope diameter (mm)
Required number of
wire rope grips
Tightening torque
required (Nm)
5 3 2.0
6.5 3 3.5
8 4 6.0
10 4 9.0
12 4 20.0
14 4 33.0
16 4 49.0
19 4 68.0
22 5 107.0
26 5 147.0
30 6 212.0
34 6 296.0
40 6 363.0
4 The wire should be in good condition and all threads and nuts should be suitably greased.
5 The first bulldog grip should be fitted as close as possible to the thimble and, thereafter, at a
spacing of no greater than six times the rope diameter.
6 Nuts must be tightened to the relevant torque:
(a) when the rope is assembled
(b) when taken into use
(c) on the application of the load
(d) at periodic intervals when in continuous use.
7 If the above criteria are not followed, then the strength of the eye and thimble will be
considerably reduced. If the criteria are neglected for an extended period, the eye and
thimble may fail.
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8 Wire rope grips must not be used to make lifting slings, long splices, or to join two wire
ropes, other than with thimbles or eyes.
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9 For intermediate diameters of rope, the next larger size wire rope grip should be used,
except as follows:
(a) the size 5 mm grip should only be used on a nominal 5 mm diameter rope
(b) for 11 mm diameter rope, use four 10 mm rope grips tightened to a torque of 14 n/m.
1.4.3.54 Spreader and equaliser beams
1 Spreader beams are used to support long or wide loads during lifts. They eliminate the
hazard of a load tipping, as well as wide sling angles and any tendency of the sling to crush
the load.
2 Equaliser beams are used to equalise the load in sling legs and to keep equal loads when
making multiple leg lifts.
3 Both types of beam are normally manufactured to suit a particular purpose. Care should be
taken to see that the correct beam is used.
4 The capacity of a beam with multiple attachments will be specified by the manufacturer.
Generally, it will depend on the distance between the attachment points, for example, if the
distance between attachment points is doubled, the lifting capacity is halved. Care must be
taken not to exceed safe working loads at the various slinging points.
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1.4.3 Appendix 1
General lifting operations
Safety checklist
Before starting work
1 Ensure that adequately trained, competent persons are available to plan, carry out and
supervise the lift.
2 Ensure that a suitable and sufficient risk assessment has been carried out, which considers
all aspects of the lift including environmental factors such as the proximity of obstructions,
underground services, overhead cables and structures.
3 Ensure that lift plans and method statements for the lifting operation are developed as
appropriate.
4 Ensure that appropriate protection measures are put in place.
5 Ensure that all temporary works supporting lifting equipment, such as foundations, have
been certified by a competent temporary works engineer and a 'permit to load issued'.
6 Ensure that a current thorough examination and/or test record has been issued and is
available for each item of lifting equipment and accessory.
7 Ensure that the SWL of the lifting equipment and accessories is adequate for the weight of
the load.
8 Ensure that all lifting accessories are clearly marked with their safe working load.
9 Ensure that correct and up-to-date copies of the Sling Chart and Safe Working Load tables
are available, when using multi-leg slings.
10 Ensure that the method of communication is agreed and understood by everyone involved in
the lift.
11 Ensure that a suitable rack is available for storing slings, etc. when they are not in use. Wire
ropes should be stored in a dry atmosphere.
12 Ensure that the weights of loads to be lifted are known in advance, and that load weights are
clearly marked.
13 Ensure that the ground conditions are sufficiently stable to take the weight of the lifting
equipment and any load.
14 Ensure that a trained and competent slinger is available.
15 Ensure that a trained and competent signaller is available if required.
16 Ensure that all personnel involved in the lifting operation have been briefed and understand
the risks, methods or work and the equipment to be used including emergency
arrangements.
17 Ensure that the appropriate permissions have been gained if it is necessary to position any
crane on the public highway (or other public place) to carry out lifting operations.
Whilst work is in progress
18 Ensure that copies of the Sling Chart and Safe Working Load tables are being used where
necessary.
19 Ensure that the correct techniques are being used for the attachment to the appliance and
slinging.
20 Ensure, wherever possible, that the angles of slings are no more than 90°.
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21 Ensure that regular inspections, thorough examinations and tests of the equipment are
carried out, as appropriate, and records maintained (see Appendix 5).
22 Limit the use of endless wire rope slings.
23 Ensure that slings are protected from sharp corners of loads by suitable packings.
24 Ensure that slingers understand that 'doubling up' slings does NOT 'double up' the safe
working load; avoid this practice if possible.
25 Prevent strops, slings and ropes from being dragged along the ground.
26 Ensure that hooks used for lifting are NOT also carrying unused slings.
27 Ensure that any unused leg of a
28 multi-sling is correctly hooked back. The correct sling only should be used.
29 Ensure that unfit slings are removed from the site, and a responsible person informed.
30 Ensure that the crane hook is positioned above the load's centre of gravity.
31 Ensure that the load is free before lifting and that all legs have a direct load.
32 Ensure that 'snatch' loading does NOT take place.
33 Ensure that NO ONE rides on a load which has been slung and is being lifted.
34 Use tag lines to stabilise long or large loads.
35 Ensure that the load is landed onto battens to prevent any damage to slings, and to assist
their easy removal.
36 Ensure that NO ONE is under a load which is being lifted.
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1.4.3 Appendix 2
Mobile cranes
Safety checklist
Before starting work
Carry out the checks detailed in Appendix 1, plus:
1 Consider whether a 'contract lift' is the best and safest option.
2 Check that the selected crane has been supplied. Check that the correct operating
information and a competent operator have been supplied along with it.
3 Check that the ground is capable of taking the loads of the outriggers, crane, load or wind. If
in doubt, get ADVICE from specialist companies.
4 Ensure that the approach and working areas are as level as possible.
5 Ensure that there is adequate protection from live electrical cables.
6 Ensure that the area is kept free of obstructions, and is adequately lit.
7 Ensure that the weights of the loads are known, and that the correct lifting gear has been
ordered and is available.
8 Ensure that no 'crush zone' exists between the crane and any fixed object; if there is, erect
barriers.
9 Check there are no restrictions on the access, i.e. check size(s) of vehicles.
10 Check that the company has provided enough information about the safe use of the crane.
11 Check that there is an up-to-date record and that inspections, thorough examinations and
tests have been carried out as necessary.
Whilst work is in progress
Carry out the checks detailed in Appendix 1, plus:
12 Check that daily and weekly inspections are being carried out.
13 Ensure the crane is operating from planned and approved positions only in accordance with
lift plans and method statements.
14 Ensure that the signaller is available for each lift.
15 If outriggers are being used (blocked duties), ensure that they are fully extended, locked and
adequately supported.
16 Check that tyres are at the correct pressure and in good, clean condition and that tracks are
properly maintained.
17 Check that the crane is kept at a safe, predetermined distance from any open excavations or
live overhead electricity cables.
18 Check, when travelling, that the load is secured and carried as near to the ground as
possible and that tag lines are used.
19 Check that the rated capacity and radius indicators are in working order.
20 Check that loads are not being slewed over any persons and that persons are not standing
or walking under the load.
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21 Check, when travelling on sloping ground, that the driver changes the radius to
accommodate the movement of the load.
Construction Site Safety
1.4.3 Appendix 3
Tower cranes
Safety checklist
Before starting work
Carry out the checks detailed in Appendix 1, plus:
1 Check that the appointed person has put in place a lift plan.
2 Check that the selected crane has been competent engineer supplied. Check that the correct
operating information has been supplied along with it.
3 Ensure that the crane will be capable of lifting the required loads at the maximum required
radius of operation.
4 Check that the ground is capable of taking the weight of the crane, the load and wind load. If
in doubt, get ADVICE.
5 Ensure that any foundations have been designed and certified by a and a 'permit to load'
issued.
6 Ensure that adequate ballast or counterweight units are in position and are correctly
secured.
7 Check that a diagram or notice indicating the position and weight of removable ballast is
prominently displayed.
8 Ensure that the approach and the base are as level as possible.
9 Check that the limit switch and other devices are installed to limit the travel of the bogie.
Ensure that limit switches have also been installed to limit the crane travel on rails.
10 Ensure that the work area is kept free of obstructions, particularly where the crane operates
on rails.
11 Ensure that there is an adequate power supply properly installed, earthed and tested. Where
the crane operates on rails, ensure that they are also earthed.
12 Ensure that the weight of each load is known, and that the correct lifting accessories are
available.
13 Ensure that a competent operator, who is sufficiently fit and has good eyesight, is available.
14 Ensure that a competent, trained signaller is available, and that the method of
communication is understood by all involved in the lift.
15 Check that there are no restrictions on the access, i.e. check size(s) of vehicles for
rigging/de-rigging.
16 Ensure that all necessary precautions with regards to live overhead electric cables have
been taken.
17 Where necessary, ensure that all work areas are adequately lit.
18 Where appropriate check that any building or temporary works to which the crane is tied can
support the loading.
19 What is the crane's free standing height? Check that the supplier has provided information
with reference to the crane, etc.
20 Where appropriate, check that over-sailing and airspace rights have been agreed.
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21 Check that warning has been given of the slewing activities and that property has been
protected, as necessary.
22 Check that there is an up-to-date record of inspection, thorough examination and test.
23 Check that there is a rescue plan in place and that it is acceptable in terms of practicality.
24 Check the competency, including training and qualifications, of the competent persons
involved in lifting operations.
Whilst work is in progress
25 Ensure that the works are being carried out in accordance with the lift plan.
26 Check that the daily and weekly inspections are being carried out and recorded.
27 Check that the rails, if used, are level, in line and being guarded.
28 Check the position and condition of the sleepers, etc. (Look for washouts.)
29 Check that the buffers are in place and that they are secure (if on rails).
30 Check that the bogie is blocked and chocked when not in use (if on rails).
31 Check that no nuts or bolts are missing or loose.
32 Check that crane ties, if used, are securely fixed in position.
33 Check that the wind speed indicator is in working order. What wind speed is allowed for safe
working?
34 Check that, when not in use, the crane jib is free to slew with the wind. Check that power
supplies are off; loads lowered, hooks raised and doors locked.
35 Check the slewing movements in relation to people or adjacent property, etc.
36 Check that earth bonding strips are in place.
37 Where more than one tower crane is in operation with overlapping arcs of operation, ensure
that crane activities are co-ordinated.
38 Ensure that the load rating chart is in place and being complied with.
39 Ensure that the rated capacity indicator is in working order.
40 Check that the SWL is plainly marked at different operating radii along the jib.
41 Ensure that all lifts are within the jib radius.
42 Ensure that operators know the weight of loads being lifted.
43 Ensure that loads are being lifted and not dragged, and that they are not swinging and
creating a hazard.
44 Ensure that the operator is at the controls whenever a load is suspended.
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1.4.3 Appendix 4
Slinger and signaller safety checklist
Inspect to ensure that:
1 slings and other chains are not shortened by tying knots in them or by wrapping them round
the crane hook
2 fibre or rope slings are not damaged
3 chains are not joined by means of bolts or wire
4 wire ropes are not sharply bent or flattened at any point
5 wire ropes are never in contact with hot metal or acids that will damage them
6 wire ropes are never used singly when hooked by a spliced eye. (The cable is liable to
untwist, allowing the splices to open and slip)
7 the proper pin is used in all shackles and the correct type of shackle is being used
8 all end links, rings or shackles ride freely on any hook on which they are used
9 the wind strength is safe for lifting operations to start.
Reject:
10 any slings of insufficient length which create a wide angle between legs
11 extra long slings which seriously reduce the headroom
12 any wire ropes that have become damaged or rusty
13 any fibre or rope slings that are damaged or frayed.
When loading
14 Ensure the slings are protected from sharp-edged loads by packing soft wood or other
suitable material between the load and the sling. (Bricks are not suitable packaging
material.)
15 Ensure the load is evenly distributed to avoid excessive stress on one side of the sling.
16 DO NOT let any load rest on a wire rope; it may crush the strands and render the rope
unsafe.
Before lifting
17 Ensure that the load is securely slung.
18 Always see that the crane hook is centrally placed over the load to prevent it swinging when
the load is being raised, and that the load is in balance.
19 Position the hands well away from any chains or ropes before the crane takes the load.
20 Check that the load is free for lifting.
21 Give warning to all persons to keep clear of the load.
During lifting
22 Use only British Standard 7121 signals.
23 Always lift slightly, then pause to see that the load is safe and balanced.
24 Ensure signals are given by the person responsible for the lift, and nobody else.
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25 Ensure hooks and slings not in use are carried on the carrying hook, since they may cause
the sling carrying the load to ride on the nose of the hook.
26 Never ride on a crane load, or allow any other person to do so.
27 Whenever possible, keep the load clear of people.
28 Ensure chains, slings, hooks or loads are never dragged along the ground.
When unloading
29 Make sure there is a firm foundation for the load, and make provision for the removal of all
slings.
30 Stack material securely and provide a safe access for subsequent removal.
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1.4.3 Appendix 5
Inspection and thorough examination Reports
Lifting equipment
and accessories for
lifting
Inspection Thorough examination Lifting equipment and
accessories for lifting
User or owner Health and Safety
Executive
Lifting equipment
If appropriate and at
suitable intervals between
thorough examinations.
(Suitable intervals, unless
otherwise laid down, would
be every week.) Carried
out by a competent
person.
Before first use, unless a record
accompanies the lifting
equipment. Installation conditions
require assurance that it is safe
to use:
? after installation
? after assembly. When
exposed to conditions
causing deterioration:
? lifting persons - every six
months
? other lifting equipment -
every 12 months.
In accordance with an
examination scheme drawn up by
a competent person. Carried out
by a competent person.
Lifting equipment Follows the thorough
examination. Report
authenticated. Format - register
or certificate, electronic form
(easily retrievable). Provided to
the user, and to the person from
whom the equipment has been
hired or leased in writing. Kept
available for inspection. Kept
available until next examination
carried out or for two years,
whichever is the longer.
Following thorough examination
identifying an imminent risk of
serious personal injury. Report in
writing.
Accessory for lifting
If appropriate and at intervals
between thorough examinations.
Carried out by a competent
person.
Before first use. When exposed
to conditions causing
deterioration:
? every six months, in
accordance with an
examination scheme drawn
up by a competent person.
Carried out by a competent
person.
Accessory for lifting Report kept available until next
inspection report made. Made in
writing and provided to user.
Thorough examination record for
two years after report made.
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1.4.3 Appendix 6
SCHEDULE 1
INFORMATION TO BE CONTAINED IN A REPORT OF A THOROUGH EXAMINATION
1 The name and address of the Contractor for whom the thorough examination was made.
2 The address of the premises at which the thorough examination was made.
3 Particulars sufficient to identify the lifting equipment including where known its date of
manufacture.
4 The date of the last thorough examination.
5 The safe working load of the lifting equipment or (where its safe working load depends on
the configuration of the lifting equipment) its safe working load for the last configuration in
which it was thoroughly examined.
6 In relation to the first thorough examination of lifting equipment after installation or after
assembly at a new site or in a new location-
(a) that it is such a thorough examination;
(b) (if such be the case) that it has been installed correctly and would be safe to operate.
7 In relation to a thorough examination of lifting equipment other than a thorough examination
to which paragraph 6 relates-
(a) whether it is a thorough examination-
(i) within an interval of 6 months
(ii) within an interval of 12 months
(iii) after the occurrence of exceptional circumstances.
(b) (if such be the case) that the lifting equipment would be safe to operate.
8 In relation to every thorough examination of lifting equipment-
(a) identification of any part found to have a defect which is or could become a danger to
persons, and a description of the defect;
(b) particulars of any repair, renewal or alteration required to remedy a defect found to be
a danger to persons;
(c) in the case of a defect which is not yet but could become a danger to persons-
(i) the time by which it could become such a danger;
(ii) particulars of any repair, renewal or alteration required to remedy it;
(d) the latest date by which the next thorough examination must be carried out;
(e) where the thorough examination included testing, particulars of any test;
(f) the date of the thorough examination.
9 The name, address and qualifications of the person making the report including the
Contractor they are employed by.
10 The name and address of a person signing or authenticating the report on behalf of its
author.
11 The date of the report.
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D3. Appendix 7
Recommended crane signals
Reproduced from BS 7121 Safe Use of Cranes Part 1
Note: The signaller should stand in a secure position, where they can see the load and can be seen
clearly by the crane driver, and they should face the crane driver if possible. Each signal should be
distinct and clear.
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1.4.3 Appendix 8
Wind strengths and effects (Beaufort Scale)
Windforce
number
Description of
wind
Wind effect locally Speed
Km/h
Speed m/sec
0
Calm
Calm, smoke rises vertically.
=1
0-1
1
Light air
Direction of wind shown by smoke drift, but
not by wind or weather vanes.
1.1-5.5
1-2
2
Light breeze
Wind felt on face. Leaves rustle. Wind or
weather vanes move.
5.6-11
2-3
3
Gentle breeze
Leaves and small twigs in constant motion.
Wind extends light flags.
12-19
3-5
4
Moderate breeze
Wind raises dust and loose paper. Small
branches move.
20-28
5-8
5
Fresh breeze
Small trees in leaf begin to sway. Little
crested wavelets form on inland waters.
29-38
8-11
6
Strong breeze
Large branches in motion. Umbrellas used
with some difficulty.
39-49
11-14
7
Near gale
Whole trees in motion. Becoming difficult to
walk against the wind.
50-61
14-17
8
Gale
Twigs break off trees. Progress is generally
impeded.
62-74
17-21
9
Strong gale
Chimney pots, slates and tiles may be blown
off. Other slight structural damage may be
caused.
75-88
21-24
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1.4.4 Mobile Elevating Work Platforms
1.4.4.1 Key points
1 Mobile elevating work platforms (MEWPs) are a safe and convenient alternative to scaffolds
when working at height, providing they are used correctly by trained and competent
operators.
2 On some types of machine it will be necessary for the operator and any passengers to wear
a safety harness and lanyard, the free end of which must be clipped to a strong point on the
machine.
3 Operators and passengers must never clip the free end of the lanyard to the structure
against which they are working.
4 Normally, MEWPs should only be operated from the controls in the basket or on the
platform.
5 The ground level controls should only be used in an emergency such as the operator
becoming incapacitated when the machine is elevated.
6 MEWPs are classified as 'work equipment' and 'lifting equipment for carrying people' and
must therefore be subjected to an appropriate schedule of inspections and thorough
examinations.
7 MEWPs must not be used to carry any load above the stated safe working load.
8 When calculating the total load carried, consideration must be given to any additional
materials 'taken on board' when elevated, such as a quantity of removed roof tiles.
1.4.4.2 Introduction
1 The term mobile elevating work platform (MEWP) covers pedestrian-controlled, selfpropelled
and power-operated mobile elevating work and access platforms.
2 MEWPs are designed to provide temporary working platforms that can be easily moved from
one location to another. They are particularly suitable for tasks where the use of a ladder
would be unsafe and the erection of a scaffolding platform too time-consuming or
impracticable in relation to the job to be done. Some machines have specialised
applications.
3 When using MEWPs (as with all other types of work equipment), the Contractor has a legal
duty to provide, as far as is reasonably practicable, a safe place of work and the necessary
information, instruction, training and supervision ' for operators..
4 The manufacturer or hire company who supplies any type of MEWP to a contractor must
provide familiarisation training on the type of machine they are supplying. The Contractor of
the machine operator, however, has a legal duty to ensure the operator's overall
competence and assess the risks arising out of the work activity for which the machine is to
be used. It is essential that no one should be allowed to use the equipment unless they have
been instructed and trained by a competent person on the specific type of equipment to be
used, and have themselves been judged competent to use it.
1.4.4.3 The Management of Health and Safety at Work
1 These Regulations place a requirement on every Contractor to make a suitable and sufficient
assessment of every work activity to identify any hazard that employees or any other person
might encounter as a result of the work being carried out.
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2 When hazards are identified, it is then the Contractor's duty to either eliminate the hazard or
to put control measures in place to reduce the risks to health and safety arising out of the
hazards, as far as is reasonably practicable.
3 The Contractor must provide employees with comprehensible and relevant information on
any risks that exist in the workplace and on any control measures that are in place to reduce
those risks.
4 Employees, for their part, have a duty under these Regulations to tell their Contractor of any
work situation which presents a risk to the health and safety of themselves or any other
person who may be affected.
1.4.4.4 The Provision and Use of Work Equipment
1 All MEWPs are classified as 'work equipment' under these Regulations and Contractors
must:
(a) ensure that the equipment is suitable for the intended task
(b) maintain and keep the equipment in good working order (or ensure that it has been
properly maintained if a hired-in machine)
(c) ensure the equipment is subjected to a scheme of regular inspections (or has a valid
certificate of thorough examination if a hired-in machine)
(d) provide competent supervision.
2 Where the use of the equipment involves a specific risk to the health and safety of
employees, the use of the equipment must be restricted to competent and specified workers.
3 Dangerous parts of machinery must be adequately guarded, preferably by fixed guards that
cannot be defeated or removed.
4 Employees must be provided with information, instruction and training in the use of work
equipment, where necessary for their health and safety.
1.4.4.5 Lifting Operations and Lifting Equipment
1 All MEWPs are classified as 'lifting equipment' (for lifting people) under these Regulations.
The main requirements of these Regulations are that:
(a) lifting equipment and accessories must be of adequate strength and the lifting
equipment stable, for each lift undertaken
(b) lifting equipment used for lifting persons is constructed and used so as to protect the
safety of the person(s) being carried
(c) lifting equipment must be positioned or installed so as to prevent the lifting equipment
or the load striking a person or the load otherwise becoming out of control
(d) the load must be under full and proper control at all times
(e) lifting equipment and accessories must be clearly marked with their safe working load
and other markings if designed for lifting persons
(f) every lift must be properly planned by a competent person, properly supervised and
carried out safely
(g) lifting equipment must be subjected to a programme of inspections and thorough
examination as is appropriate
(h) reports of thorough examinations must be made and retained, with all defects notified
to the Contractor who must take appropriate actions.
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1.4.4.6 Work at Height
1 The fact that a MEWP is in use is indicative that someone is going to work at height. The key
provisions of these Regulations are (briefly) that Contractors must:
(a) where it is reasonably practicable, avoid the need to carry out work at height
(b) where such work cannot be avoided, make sure to select the most appropriate work
equipment for the work and to prevent falls
(c) reduce the distance, and potential consequences, of any fall
(d) ensure that the work is properly planned, risk-assessment based and that it is carried
out safely by competent persons
(e) establish danger areas from which people must be excluded, when there is a danger
of them falling or being struck by falling objects
(f) ensure that measures are taken to prevent anyone being injured by falling objects.
(g) Employees who work at height, for example MEWP operators, must:
(h) report to the Contractor any situation that they consider to be unsafe to themselves or
to anyone else
(i) use any work equipment, such as a MEWP, in accordance with the training and
instructions provided.
1.4.4.7 Personal Protective Equipment
1 These Regulations require that, where a risk has been identified by a risk assessment and it
cannot be adequately controlled by other means which are equally or more effective, then
the Contractor must provide and ensure that suitable personal protective equipment (PPE) is
used by employees. In essence, PPE may only be used as a last resort.
2 In the context of using MEWPs, PPE will include items of fall-arrest equipment, such as
harnesses and lanyards, although consideration must also be given to the provision of PPE
that protects against hot, cold and wet weather in the appropriate circumstances.
3 Whilst the Contractor must, as far is reasonably practicable, ensure that any PPE supplied is
correctly used or worn, the employee, in turn, has a duty to properly use or wear the
equipment, follow any information, instruction or training which they have been given, and
know the procedures for reporting loss or defect to their Contractor.
1.4.4.8 Types of MEWP
1 The basic types of mobile elevating work platform are:
(a) scissor lifts
(b) telescopic booms or jibs
(c) articulating and telescopic booms. All of these may be:
(d) towable units
(e) vehicle-mounted
(f) self-propelled, or
(g) pedestrian controlled.
2 The main functional differences between the three basic types of platform are described
below.
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3 Scissor lift: This type of appliance gives a vertical lift only. It
may be fitted with outriggers, depending on its size and the
height to which it extends.
4 Hydraulic extending boom (telescopic): This type gives
both vertical height and outreach. The working platform
may also be manoeuvrable.
5 All boom-type MEWPS are generally known as 'cherrypickers'.
6 Articulating and telescopic or multi-boom
articulated: These types of equipment are usually
vehicle mounted. They give a wide range of reach and
height, with good platform mobility. They are nearly
always equipped with outriggers. There are specialised
types, for instance, machines that enable access to the
underside of bridge arches from the roadway above.
7 Some units have a 'travel while elevated' ability and fourwheel
drive. Rough terrain MEWPs have been specially
developed for construction site work.
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1.4.4.9 Sizes
1 Sizes and capabilities vary considerably. Small, one-person platforms are available, with
safe working loads of about 100 kg, and working heights of a few metres.
2 At the other end of the scale, platforms may be over 4 m x 2 m in size and have safe working
loads in excess of 1,000 kg. Extending boom heights exceeding 60 m are obtainable and the
outreach of some units can exceed 30 m.
3 The work activity which results in the use of MEWPs must, of course, have been subject to a
risk assessment.
1.4.4.10 Causes of accidents
1 MEWPs can provide safe access and safe working at heights, and are often safer than
ladders or other access equipment. However, there have been a number of serious
accidents in which operators have been thrown from MEWPs, particularly 'cherry pickers'.
This can be caused by such events as the moving basket snagging an obstruction or the
operator simply leaning too far beyond the guard-rail. In many cases, the wearing of a safety
harness and short restraint lanyard, clipped to a strong point inside the basket, would have
prevented the accident. This advice relates primarily to 'cherry pickers' but it is also relevant
to scissor lifts if the operator is at risk of falling, for example, as a result of leaning too far
over the guard-rail.
2 The typical 'cherry picker' consists of one or more pivoted arms. Movement from a single
pivot causes the basket to move through an arc. To make the basket move in a straight line,
for example up or down the face of a building, the operator must adjust more than one
control either alternately or simultaneously. Accidents can occur when the operator is too
'heavy handed' with the controls, or the actual movement of the basket in relation to the
degree of control movement is too coarse. This may cause the basket to move further and
more rapidly than anticipated, or the operator may not be able to compensate quickly
enough for the 'arc' movement. This may result in the basket striking, or being obstructed by,
a nearby structure. If this occurs and power continues to be applied, the basket could
become jammed and it is possible that a structural failure of part of the machine or a sudden
movement of the basket could throw the operator out.
3 Other significant causes of accidents are:
(a) when a nearby vehicle or mobile plant strikes the MEWP, for example, if part of the
boom encroaches into a traffic route or if road traffic skids into the machine on wet or
icy roads
(b) entrapment of the operator below a fixed object whilst elevating the basket or platform
(c) failure of the levelling system or a major component of the MEWP
(d) an unexpected movement or overturning due to incorrect installation, or soft or uneven
ground
(e) falls from height whilst climbing from a MEWP onto a roof or other high level place.
(MEWPs are intended for use as work platforms and not as a substitute for stairs to
gain access to upper levels)
(f) lack of information, instruction and training resulting in collisions whilst manoeuvring
(g) where the nature of work being done from the basket may mean that operators are
likely to lean out. This may happen, for example, when operators:
(i) inadvertently, or for reasons of speed and convenience, overreach or stretch
from the basket and overbalance, or
(ii) are handling awkward workpieces which may move unexpectedly
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(h) where rapid movement of the machine is possible
(i) where there are protruding features which could catch, impede or trap the basket.
4 Error of judgement by operators, or a lack of sufficient information, instruction, training and
supervision can cause rapid movement of the basket and collision whilst manoeuvring.
Whilst many incidents have been attributed to 'operator-error', these errors are foreseeable
and should be considered as part of the Contractor's risk assessment.
5 The Contractor's risk assessment should, therefore, consider:
(a) information, instruction, training and supervision
(b) competence and operator suitability
(c) the degree of fine control that is necessary and available for the safe movement of a
MEWP
(d) the condition, suitability and maintenance of the MEWP
(e) the need for, and use of, fall-arrest or fall restraint equipment.
1.4.4.11 Controlling the risks
1 Having assessed the risks, Contractors and others responsible for the use of MEWPs must
implement measures to control those risks.
2 The precautions for safe working from a MEWP include:
(a) ensuring that a MEWP is suitable for the job to be undertaken, as revealed by a risk
assessment
(b) ensuring guard-rails and toe-boards are fitted to the platform or the basket
(c) ensuring the machine is never overloaded
(d) using stability devices provided, i.e. outriggers, to make the machine stable
(e) the provision of designated anchorage points for the attachment of lanyards
(f) locking-out controls (other than those in the basket) to prevent unintentional operation
(g) correct planning of the proposed task
(h) use of trained, competent and experienced operators
(i) instructions when to enter or leave a basket, such as when it is fully lowered
(j) instructions for emergency procedures, such as rescue should the operator be
incapacitated
(k) use, as and where necessary, of suitable fall restraint equipment or, in high-risk
situations, fall-arrest equipment.
1.4.4.12 Fall protection
Work restraint system
1 Whereas fall-arrest equipment allows a person to fall but arrests the fall before the person
hits the surface below, work restraint equipment prevents the fall from happening.
2 The main feature of work restraint equipment is that a shorter lanyard is used which restricts
the operator's limit of travel to the confines of the basket or platform.
3 Lanyards should be carefully selected, taking into account the features of the machine on
which they are to be used, to ensure that the user cannot get into a situation where a fall
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could occur.
4 BS EN 358 specifically states that such devices are not intended to arrest a fall.
Fall-arrest system
5 This passage of text refers predominantly to the use of 'cherry pickers', although in some
circumstances parts could also be relevant to the use of scissor lifts.
6 Where a decision has been taken to rely on fall-arrest equipment as a means of preventing
injury, it will be necessary for the operator to wear a full body harness and a lanyard
equipped with an energy absorber. Vital considerations are:
(a) the height at which work is being carried out must be such that it allows the lanyard to
arrest the fall and the energy absorber to deploy before the wearer hits the surface
below. A minimum working height of 5 metres is recommended if fall-arrest is to
operate successfully
(b) the anchor point on the machine must have been designed to withstand the shockloading
of arresting a fall. Many anchor points fitted to MEWPs are only rated for work
restraint. If the anchor point is not marked with its rating, contact the manufacturer to
find it out
(c) users of harness and lanyard must have been trained in their use, inspection and care
(d) in arresting a fall, a 'cherry picker' will flex, which could eject other occupants and
materials out of the basket. This could also overturn the machine if it is operating
towards the extent of its lateral operating-envelope
(e) a check must be made that the structure has no projecting features that the falling
person would strike during the fall
(f) how the person who has fallen will be rescued after the fall has been arrested. This
may be as simple as another operator gently lowering the boom of a 'cherry picker'
using the ground level controls until the fallen
person is at ground level.
7 A safety harness must never be attached to
anything outside the platform; operation of the
controls in this situation could leave the user
suspended in mid air (see illustration above).
8 An exception to wearing a harness whilst operating
a mobile elevating work platform is when the
machine is working over or near water. If a harness
is being worn in such circumstances and the MEWP
toppled into the water, the operator could be
dragged under the water and drowned. The wearing
of harnesses in such situations is not recommended,
although operators should wear life jackets.
1.4.4.13 Safe operation of MEWPs
Safety helmets
1 Safety helmets must be worn if there are overhead obstructions in the area of operation or if
there is a possibility of injury resulting from falling objects. On all building and construction
sites, the wearing of safety helmets is mandatory. Chin straps should be worn to prevent the
helmet slipping off and falling to a lower level and perhaps injuring someone.
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Safe working load
2 The safe working load (SWL) specified by the manufacturer must not be exceeded. The
maximum number of persons permitted on the platform may also be given but, if it is not, 85-
90 kg of the SWL should be allowed for each person.
3 Care must be taken not to exceed the SWL with tools and equipment when work is being
carried out from the platform.
4 Examples of how this can also be caused are:
(a) allowing an accumulation of plaster, cement, blasting grit or other loose materials
(b) the removal and lowering of fans, motors, pipework, window frames or other
equipment from high level onto the platform prior to removing them for repair,
maintenance or replacement
(c) the temporary storage of removed materials, such as roof tiles
(d) any form of shock loading.
5 It is usual for a single SWL to be specified for all conditions of height or reach.
Height and reach
6 The figures given by manufacturers are the maximum possible; allowance has already been
made for the physical height and reach of the operator.
7 If it becomes evident that the task requires a range of travel that is outside the reach of the
machine, work must be stopped and the job reassessed. Steps, ladders, hop-ups or boxes
must never be used on the platform or in the basket to gain extra height or reach.
Operating envelope
8 All configurations of MEWPs have an operating area or envelope. With scissor lifts, the
operating envelope will be determined by the maximum height and width of the platform; with
articulated booms, it is a more complex shape.
9 As maximum height and maximum reach are not usually available at the same time, care is
needed to ensure that the intended work area is within the machine's operating envelope
(see diagram below).
Ground conditions
10 MEWPs are often fitted with outriggers or stabilisers and these must always be fully
deployed and used as recommended by the manufacturer. Attempting to operate the unit too
close to a building or obstruction can make it impossible to fully extend the outriggers, and
therefore unsafe to use.
11 Before deploying stabilisers or outriggers, check:
(a) that the machine is either level, or can be levelled up
(b) that the ground is firm, without hidden voids and will support the loading with the use
of adequate packing if necessary
(c) that the machine will not have to pass over a cellar, basement, sewer, drain, manhole,
old trench, uncompacted backfill or anything else that might collapse; consider the
possible need for a ground survey.
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(a)
Travelling in operational mode
12 Travelling with the platform occupied or boom extended should only be undertaken when this
mode of operation is within the machine's specified capabilities. Travel must never take
place with outriggers or stabilisers extended, unless the machine is designed to function in
this way.
13 Before travelling, a check should be made to ensure:
(a) no ramps, trenches, holes or other ground obstructions lie in the path of travel
(b) no overhead electrical or other (communication) cables, building projections or other
overhead hazards will be encountered
(c) adequate warning has been given to people on the ground
(d) a signaller or other responsible person is employed, if necessary
(e) nothing has been left unsecured and liable to fall off
(f) no trailing hoses, cables, wires on the unit or other snagging hazards are in the path of
travel.
14 Travelling up and down inclines and traversing slopes should only be undertaken within the
limits laid down by the manufacturers.
15 Specially designed units, designated as 'rough terrain', can operate (usually without any
stabilisers or outriggers) on construction and other sites where ground conditions may not
permit a standard type vehicle to be used.
1.4.4.14 Tandem use
1 Under no circumstances should two platforms be linked together or bridged. However, in
some circumstances, manufacturers can advise on the interlocking of platforms and
controls so that one set of controls operates both platforms, allowing directional stability to
be maintained at all times.
2 If a unit is being used in conjunction with a crane or some other appliance, a safe system of
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work must be planned and implemented; it should clearly define individual responsibilities
and set out precise arrangements for communication.
Wind and wind speeds
1 A MEWP must not be used in wind speeds exceeding those specified by the manufacturer.
One commonly specified wind speed upper limit is that of 48.28 km/h (Beaufort Scale Force
6 -Strong Breeze) or about 12.5 m per second. This is also generally accepted as the
maximum wind strength in which an operator can work without undue discomfort.
2 Other problems associated with operating in windy conditions include:
(a) the funnelling effects of winds between buildings, where actual wind speeds may be
double that measured in the open
(b) in the vicinity of large slab-sided buildings, high wind speeds and eddy currents may
be created at the corners and on the side facing the wind
(c) the effect of height - wind speed may be 50% greater at a height of 20 m than it is at
ground level; modern machines are fitted with a wind-speed sensor which, if activated,
only enables the working platform to be lowered
(b)
Percentage to be added to ground level windspeed to correct for working height.
Height above ground at which platform will be used.
(d) wind chill factor. On a calm day 10°C is cool but not unpleasant, but with a wind of
32.19 km/h the temperature experienced on the face and hands is 0°C. If the day is
cold, about freezing, the temperature experienced on the skin can be down to minus
15°C, making it almost impossible for the operator to work safely unless properly
clothed and equipped for the circumstances.
3 Problems may also arise when handling sheet materials, panels and other materials light in
weight in relation to their area. They can act like 'sails' and seriously affect the stability of a
mobile elevating work platform due to the excess wind loading. If such materials are to be
used, due allowance should be made, especially in gusty conditions.
4 Because of the difficulty in accurately estimating wind speeds by the observation of trees,
windblown litter, smoke, etc., a hand-held anemometer should be used where necessary.
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Use on roads
5 People trained to operate a vehicle-mounted MEWP on site may not drive it on a public road,
unless they hold the appropriate licence.
1.4.4.15 Prohibited uses
1 MEWPs must not be used:
(a) as jacks, props, ties or supports
(b) primarily for the transportation of goods or materials
(c) as an alternative to passenger hoist (for example, transporting workers to a high level
floor slab)
(d) as a crane or lifting appliance.
2 Such uses are either outside the designed use and safe working limits of the machine, or
would bring it under other statutory provisions, such as those applicable to cranes and
hoists.
3 Platforms must not be tied to buildings or other structures to gain additional support. The
operation of the controls in such circumstances could cause an accident or create another
hazard.
4 Extra height should not be gained by using ladders, stepladders or similar devices on the
platform or in the basket of a MEWP. If the machine itself does not reach the required height,
it is the wrong machine for the job. An alternative machine must be obtained or an alternative
(safe) means of access devised.
1.4.4.16 Operator requirements
Physical fitness
1 People nominated or applying for training as operators should meet the following general
requirements:
(a) must have full physical mobility
(b) must have sufficient agility to climb in and out of the platform
(c) must have a good head for heights, and not be subject to vertigo or acrophobia (fear
of heights)
(d) must have good hearing in case warning signals are given
(e) must have the correct colour vision for colour-coded controls (the Ishihara colour test
may be relevant)
(f) must have the ability to accurately judge space and distance
(g) must have good eye-to-hand co-ordination, and sufficient dexterity to operate the
controls
(h) must have good eyesight, with glasses if necessary. The ability to read a car number
plate at 25 m is usually satisfactory
(i) must have a stable disposition.
2 Fainting or dizziness may render people unsuitable as operatives.
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Duties of operators
3 The main duties of operators are:
(a) to operate the machine safely and without risks to themselves or anyone else who
may be affected by the works which are being carried out
(b) to operate the machine in compliance with the manufacturer's instructions and any
other training given, and to ensure that it remains safe and stable
(c) not to abuse, ignore or override any safety device or equipment
(d) to report all defects, faults or dangerous situations
(e) to stop work and seek advice in any conditions that they consider could be unsafe to
themselves or anyone else.
Training
4 No-one should be allowed to operate a MEWP unless they have demonstrated their
competence on the machine and have had proper and adequate training, unless they are
under the direct supervision of a competent person as a part of their training.
5 A wide range of MEWPs is now available, and operators should be trained specifically for the
type of machine in use that they are required to use. For example, a person competent to
operate a scissor lift would need separate and specific training and become competent
before they could use an articulated boom unit ('cherry picker').
6 Both knowledge and skill should be tested during training to ensure that the operative has
achieved a satisfactory standard of competence.
7 For all types of unit, three main stages of training can be identified:
(a) basic understanding of the operating principles, and the knowledge necessary for the
day-to-day operation of the platform
(b) task-specific training and practice on the type of machine concerned, if possible under
all foreseeable operating conditions
(c) properly supervised on-site familiarisation to gain experience and confidence.
8 It is important to ensure that operatives fully understand the functions of limit switches and
interlocks, and the serious dangers which can be caused by defeating or overriding them.
9 Most manufacturers provide some form of training or offer training courses.
10 When units are hired, it is important to ensure that the hire company provides adequate
operative familiarisation training unless trained operators on that type of machine are already
available.
11 The demonstration of equipment by a manufacturer's or hire company's representative
should not in itself be regarded as sufficient training for those who are to operate it. In
addition, the ability and experience of demonstrators and instructors should be verifiable,
especially in respect of the user's proposed mode of use of the equipment.
Other points
12 Operatives should only be permitted to use the type of unit they have been trained and
authorised to use.
13 After training, an 'in-Contractor license' should be issued and adequate records kept of initial
and any further training.
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14 The safety element of the training must include safety awareness and recognition of
hazards.
1.4.4.17 Hazards
1 Some of the more common hazards associated with the use of MEWPs are outlined below.
The list should not be regarded as exhaustive.
Work on or near a highway
2 A collision with another vehicle. Always use barriers, lights, cones, notices, guards, or
arrange traffic diversions.
3 The knuckle or elbow of an articulated boom encroaching into a traffic lane. Always ensure
adequate space is available.
4 Standing and operating the platform in a traffic lane. Ensure that adequate safety provisions
have been made.
Overhead electrical cables
5 Electric shock from contact with, or electric arcing due to close approach to, overhead
electric cables is often fatal.
6 Always maintain a safe distance from overhead
electrical cables. The absolute minimum
distance, measured from the furthest point of
outreach to the ground level barrier or point
directly beneath the nearest conductor, must be
at least 6 m (when there is not work or passage
under the lines), although most electricity
companies recommend 9 m.
7 High winds can cause cables to sway and
significantly reduce this distance.
8 No part of any machine should be closer than 15 m to any overhead line on steel pylons (9
m if on a wooden or steel pole) unless by arrangement with the electricity company.
Falls of people or materials
9 Ensure that fall-arrest or work restraint equipment is worn at all times.
10 Do not allow any loose materials to accumulate on the platform.
11 If there is any danger of tools being dropped from the platform or basket by the operator
then, where practical, the tools should be securely tethered to a point within the basket;
alternatively, the area beneath the platform should be regarded as a danger area.
Entrapment of people
12 All moving parts and mechanisms should be properly and securely guarded.
13 All operators should be made aware of the hazards and procedures for avoiding entrapment
between the platform and any fixed obstruction.
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Overturning
14 Check for soft ground, drains and other unsuitable ground conditions before deploying the
outriggers or stabilisers; check for the hazard before siting the machine.
15 Beware of overloading, especially if the platform or basket is being used at maximum
outreach to remove fans, motors or other heavy loads. Always observe the safe working
load.
16 Be careful when operating on a slope, even with the machine properly levelled by using the
stabilisers or outriggers.
17 Always check that the machine is stable before operating.
18 Be careful when travelling with the platform raised, especially on poor ground conditions.
19 Unless the machine is specifically designed to travel while the outriggers or stabilisers are
deployed, never attempt to travel in this manner.
20 Be careful not to collide with any obstruction or other vehicle.
21 Modern machines are fitted with a 'tilt sensor' which, if activated, only enables the working
platform to be lowered.
Restricted or enclosed spaces
22 Extra care is needed when working in, or maneuvering into, restricted or confined spaces to
avoid collisions and or entrapment. A full and precise understanding of all controls is
essential.
23 If the self-propelled unit has an internal combustion engine, remember that the exhaust
fumes will cause a hazard in any confined or enclosed space.
24 Batteries for units should not be charged in enclosed spaces. There is a hazard of explosive
hydrogen gases being given off.
25 LPG powered vehicles should not be refuelled in a confined space. Any spillage of fuel will
quickly and dramatically expand into a large gas cloud. The gas will then accumulate at the
lowest point and create an explosive hazard.
Interference with vehicles in public places
26 Additional interlocks or guards may be necessary to prevent the operation of, or tampering
with, ground level controls by unauthorised persons or children.
27 Care should be taken against the risk of entrapment as a result of inquisitive people, and
especially children, getting too close or underneath. Scissor lifts are particularly hazardous.
Other hazards
28 Never attempt to use a unit which has a nearly flat battery. This could result in the operator
being stranded aloft, in which case an emergency descent procedure would be required.
29 Avoid knuckles, joints and hoses becoming encrusted with paint, blasting grit, cement or
plaster. This can be avoided by using gaiters which are usually supplied by the
manufacturer.
30 Beware of the sideways thrust or torque from a drill or hand tools, or the recoil or thrust of
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cartridge tools. Whenever and wherever possible, the platform should be square onto the
work. If it is sideways on, any thrust or recoil will push the platform away from the workface.
Boom length will increase this effect.
1.4.4.18 Inspections and thorough examinations
1 The maintenance of MEWPs is an essential feature in ensuring their safety when in use.
These Regulations require a competent person to draw up a schedule for maintenance,
taking into account the machine's mode of use, its frequency of use and the conditions under
which it is used.
2 These Regulations require the minimum of a thorough examination before being used for the
first time and, thereafter, every six months or when exposed to conditions that may cause
deterioration.
3 Records of such inspections should be kept until the next thorough examination or for a
period of two years.
4 However, the following inspections are recommended.
5 Daily inspections at start of work, usually carried out by the operator. They should check
the following:
(a) tyre pressures and wheel nuts
(b) brakes and steering
(c) fuel, oil, water, hydraulic fluid and battery levels
(d) lights, warning devices and communications
(e) structure for visible defects
(f) all operating controls
(g) all hydraulic fluid lines for any leaks, however small.
6 Weekly inspections by a competent maintenance fitter or operator after a specific number
of hours of use. They should be:
(a) a check of all items covered under the daily inspection
(b) an operational check of all functions of the machine
(c) a close visual examination of the chassis and structure.
7 A record that these inspections have been carried out should be kept. .
8 At six-monthly intervals or after 1,000 operational hours, or as recommended by the
manufacturer, a thorough examination should be made by a competent person and a written
report issued. A similar examination is recommended after an accident, major repair or
modification.
Maintenance work on scissor lifts
9 Special care is needed in the care and maintenance of this type of MEWP. No work or
inspection should take place within the stack of a scissor lift unless scotches or chocks are
used to prevent any entrapment hazard arising from mechanical or hydraulic failure leading
to movement of the elevating/lowering mechanism.
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Construction Site Safety
1.4.4 Appendix
Mobile Elevating Work Platforms
Safety checklist
1 Has a risk assessment for the work been carried out?
2 Has the daily inspection been completed?
3 Are lanyards always clipped to a strong point on the machine?
4 Ensure that the wind speed is not excessive.
5 Are the correct signs and barriers erected?
6 Is the operative competent, authorised and fully fit?
7 Does the operator have access to a copy of the manufacturer's operating instructions?
8 Ensure that the safe working load will not be exceeded.
9 Ensure that it is all clear overhead.
10 Ensure that the ground conditions are satisfactory.
11 Ensure a current record of the last thorough examination is available prior to use.
12 Are all outriggers and stabilisers safely deployed?
13 Make sure that the machine is level.
14 Ensure as far as possible that there are no cellars, drains or other voids beneath the area
where the machine will be working.
15 Make sure that all tools and materials are secure.
16 Is a work restraint system or fall-arrest system necessary and, if so, is it available and used?
17 Make sure that the platform is not slippery or obstructed.
18 Ensure that all work is within the specified reach of the unit.
19 If movement of the machine is planned, ensure that the route is clear and safe.
20 Ensure that there are no restricted or confined space hazards.
21 Ensure that no part of the machine will encroach into a traffic route.
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22 Ensure that the machine operator is aware of the location of all fixed structures to avoid the
risk of entrapment.
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Construction Site Safety
1.4.5 Hoists and Hoist Towers
1.4.5.1 Key points
1 Such equipment must only be designed (where appropriate), erected and operated by
trained and competent persons.
2 Partially completed hoists used to move scaffolding during scaffold erection offer special
challenges.
3 It is vital that the design of the hoist includes how the hoist will be supported or tied into
existing or temporary structures.
4 Hoists that are designated for the carriage of goods only must not be used for carrying
passengers.
5 Materials which are unhanded or otherwise loose must not be loaded onto inclined or other
types of mobile hoist in such a way that they can fall off.
6 Under no circumstances should the safe working load of a hoist be exceeded.
7 The safe working load will be displayed on a notice attached to the hoist; this is usually
expressed as a number of persons for passenger-carrying hoists.
8 Particular safety precautions apply to hoist towers to ensure the safety of passengers (where
applicable) and others working nearby.
Note: Section 9, Part 7 of the QCS covers lifting equipment.
1.4.5.2 Introduction
1 Hoists of various types are widely used on construction sites. These range from complicated
goods and passenger (tower) hoists, mobile hoists and inclined hoists, and still include the
humble gin wheel. As pressure increases to become more efficient and reduce manual
handling, hoists are an increasingly vital part of many construction operations. The smooth
and rapid movement of persons and materials assists in efficient management of projects.
Even where other methods of moving materials around site are to be used, for example by a
tower crane, it is not unusual to find a hoist used solely to assist the scaffold" erection
process.
2 The number and type of powered hoists available for hire has increased significantly and
their use may require a lifting plan to be drawn up by a competent person. This would need
to consider possible exclusion zones under the hoist in the event of the load dropping, safe
slinging methods, the appropriate lifting accessories, and so on. These are a different set of
risks compared with, for example, loads being carried within the enclosed cage of a goods
hoist.
3 Risks can arise from a late decision to use a hoist to solve a previously unforeseen problem
during the construction phase, for example, if planning to use a hoist attached to a scaffold
system that is already in place but which was not originally designed to take the additional
loadings. There is a need for careful planning and possibly discussions with the scaffold
designer before simply allowing a hoist to be hired and fixed to the scaffold.
4 The installation of hoists requires good planning and co-ordination and must be undertaken
by competent individuals. All hoists must be supplied and, where appropriate, erected,
altered and dismantled by people who are aware of these Regulations and the relevant
British and International Standards. Special attention must be given to ground conditions to
ensure adequate support for the hoist. The forces imposed on the structure by the hoist, its
loads and inclement weather, particularly high winds, must also be taken into account. Hoist
operators must be adequately trained, competent and authorised; and should be specifically
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responsible for ensuring that the hoist is not overloaded or otherwise misused.
5 Except for manually operated hoists and any that have an independent power supply, the
requirement for a dedicated power supply to the hoist must also be considered. Power
requirements may also mean the need for generators, which introduces potential noise and
fuel storage and spillage issues.
1.4.5.3 Health and Safety at Work (Construction Sites)
1 Contractors must provide and maintain plant and systems of work that are, so far as is
reasonably practicable, safe and without risk to health.
2 Contractors have a duty to provide their employees with all necessary information,
instruction, training and supervision which is necessary to ensure, so far as is reasonably
practicable, the health and safety at work of the employees. This applies in respect of all
systems of work and all work equipment. In the appropriate circumstances, this duty is also
extended to cover subcontracted employees.
3 Employees have a duty to take reasonable care of their own health and safety and the health
and safety of others who may be affected by what they do.
1.4.5.4 Construction (Design and Management) CDM
1 Where a hoist tower has to be attached to an existing structure, the client's biggest problem
is likely to be the provision of information on the location and load-bearing capacity of secure
anchorage points. Given the complexity, size and loading of many systems, this will mean
providing detailed information on the existing structure, which may necessitate the
commissioning of specialist reports. These would be passed on to the designers and
contractors to form part of the pre-construction information. Hoists impact on designers in
two ways:
(a) whoever designs the hoist installation must be a competent designer as defined within
these Regulations and therefore will assume all of the designer's duties under CDM
(b) if the design concept is that the materials movement would be by hoist then it must be
feasible to erect one. What will the hoist tie to? Are there additional security aspects
that need to be considered? Have the attendant logistics for deliveries been
considered, for example, can a road closure be obtained?
2 Whoever appoints a contractor to provide a hoist will have to consider their competence.
CDM contains details of the type of questions to ask to verify organisational and individual
competence.
3 When considering the competence of potential contractors, relevant points for consideration
would be:
(a) to establish how they would check the installation has been designed and installed
correctly
(b) the extent of the training they provide to users
(c) the handover and subsequent inspection arrangements.
4 Whilst many site managers are competent to carry out weekly inspections of, for example a
simple scaffold hoist, more complex hoists will require additional expertise.
1.4.5.5 The Management of Health and Safety at Work
1 These Regulations formalise the need for risk assessments. Each assessment must be
made by competent people and must consider all aspects of the work. A significant factor for
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consideration is where the works will be carried out on occupied premises and where there is
the potential for interaction between the construction activities and other people such as the
public or the occupier's employees.
1.4.5.6 The Provision and Use of Work Equipment
1 These Regulations require that all work equipment supplied by the Contractor must be safe
and without risk to health when properly used, is correct and suitable for the job, and
maintained in good working order. In respect of this module, this applies to hoist towers,
inclined and other types of mobile hoist, including hired machines and those purchased
second-hand.
2 Contractors must provide employees with adequate and appropriate training so that they
may use the work equipment safely and without risks to their health, and without risk to the
health and safety of any other person who may be affected.
3 Generally, these Regulations require:
(a) work equipment to be suitable for the job
(b) proper maintenance of work equipment
(c) thorough examination after installation before first use and at further suitable intervals
by competent persons
(d) proper recording of inspection results
(e) its use restricted to specified persons, where necessary
(f) adequate information to employees concerning risks
(g) suitable and adequate training on the work equipment
(h) the guarding of all dangerous parts
(i) protection against specific hazards
(j) effective controls, stop controls and emergency controls
(k) adequate lighting
(l) appropriate warnings.
1.4.5.7 Lifting Operations and Lifting Equipment
1 By definition, all types of construction hoist are classified as lifting equipment under these
Regulations. The main requirements of these Regulations are that:
(a) lifting equipment and accessories must be of adequate strength and the lifting
equipment stable, for each lift undertaken
(b) lifting equipment used for lifting persons is constructed and used so as to protect the
safety of the person(s) being carried
(c) lifting equipment must be positioned or installed so as to prevent the lifting equipment
or the load striking a person
(d) the load must be under full and proper control at all times
(e) lifting equipment must be equipped with suitable devices to prevent a person falling
down a shaft or hoistway
(f) lifting equipment and accessories must be clearly marked with their safe working load
and other markings if designed for lifting persons
(g) every lift must be properly planned by a competent person, properly supervised and
carried out safely
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(h) lifting equipment must be subjected to a programme of inspections and thorough
examination as is appropriate.
2 Reports of thorough examination must be made and retained, with all defects notified to the
Contractor who must take appropriate actions.
1.4.5.8 Work at Height
1 The use of any kind of hoist will inevitably involve either persons working at height or loads
being raised to height. In almost all cases the erection, dismantling, servicing, loading or
unloading of hoists will require that persons work at height.
2 The relevant requirements of these Regulations are:
(a) Contractors to ensure that work at height is planned, supervised and carried out in a
safe manner by competent person
(b) work at height is carried out using appropriate work equipment, particularly that which
provides collective fall protection
(c) suitable and sufficient steps are taken to prevent falling objects which are likely to
cause injury to any person
(d) where there is a risk of a person being struck by a falling object, steps are taken to
prevent unauthorised access into that area.
1.4.5.9 Pre-planning (hoist towers)
1 When it has been decided (possibly as early as the tender stage) that a construction (tower)
hoist will be required on site, requirements must be quantified with regard to:
(a) consideration of the locations for siting the hoist
(b) the loads to be carried in terms of weight and whether goods only or passengers are
to be carried
(c) the likely loading on the structure and whether any enabling work or structural
changes are required
(d) any constraints in the position where the hoist can be erected and whether other
features such as scaffolds must be modified to accommodate the hoist
(e) the loading on the hoist's foundations
2 At an appropriate point both the user of the hoist, for example the Contractor, and the
supplier of the hoist should each assign an 'appointed person' who must liaise with each
other to ensure that all aspects of the hoist selection, delivery, erection and use are carried
out safely. The user's appointed person may need to rely upon the experience and
competence of the supplier's appointed person in order to fulfil their responsibilities.
3 The detailed requirements of these roles, both of which require specific training and previous
relevant experience, are considered to be outside the scope of this module. If necessary,
readers should refer to BS 7212:2006.
4 A full and detailed risk assessment should be carried out before a hoist is positioned. A
method statement can then be developed, which must then be agreed with the user.
1.4.5.10 Site survey
5 Prior to delivery of the hoist it will be necessary for both appointed persons to visit the site to
establish the practicalities of installing it. During the site survey the supplier's appointed
person will determine the appropriate type of hoist required, based upon criteria and
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information on the intended usage of hoist provided by the user's appointed person.
6 The findings of the survey will determine the optimum position for the hoist, based upon such
factors as:
(a) co-location with materials storage areas
(b) avoidance of hazardous features such as overhead cables
(c) the need for safe access at all levels
(d) safe access to the cage or platform at ground level
(e) the need for foundations and drainage.
7 In selecting the most appropriate hoist, the supplier's appointed person will have to take into
account such factors as:
(a) the space constraints of the area
(b) access implications relating to the size and weight of the hoist components
(c) ground conditions
(d) the proximity of site features such overhead power lines, railway tracks, adjacent
public thoroughfares etc.
(e) other work that will take place whilst the hoist is in place and how the site might
change during this period
(f) foreseeable extremes in weather conditions.
1.4.5.11 Erecting hoists
1 Hoists which rest on the ground must only be erected on a firm base, adequately supported
and secured. All materials supporting the hoist must be strong enough to support the weight
of the completed hoist structure and its maximum load, and be free from defects.
2 The erection of the hoist must be carried out in accordance with a method statement that has
been discussed and approved by the user, as the proposed method and timing may impact
upon other site activities.
3 In many ways, this is the most dangerous part of the work. Anyone not directly involved in
erecting the hoist should keep clear of the area.
4 However, planning how the hoist will be erected and deciding 'who is responsible for what' is
key to implementing a safe system of work. This is particularly important where the hoist will
be built in conjunction with the erection of a scaffold. It is essential that the erection, and later
modification and dismantling, of hoists are properly planned, adequately supervised and
carried out in a safe manner by competent persons.
5 Where the hoist is attached to and supported by a scaffold, the scaffold must be designed to
take account of the imposed loadings. This becomes more important where the use of a
larger capacity hoist is being considered. These can lift weights of 1000 kg to heights of up
to 60 m and can obviously exert significant loading on the hoist anchorages and scaffold ties.
1.4.5.12 Use of part-erected hoists
1 It is common practice for scaffolders to build three or four lifts of scaffold, raising the
components by hand, followed by the hoist company erecting the hoist to the height of the
scaffold. Further erection of the part-completed hoist is co-ordinated with the scaffold
contractors so that it can be used for hoisting scaffold components, as it follows the scaffold
up. In such circumstances, normal safe working practices may not be practical. For example,
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the rules regarding the interlocking of landing gates cannot be applied when some of the
gates have not been installed. Detailed guidance is available and it is strongly recommended
that anyone faced with this situation on their site obtains and reads it. The guidance is
published jointly by the UK National Access and Scaffolding Federation.
1.4.5.13 Safety of hoistways, platforms and cages
1 Where necessary to prevent injury, hoistways and/or the hoisting machinery must be
segregated by a substantial enclosure at ground level. Suitable barriers must be installed at
all other access points, over the full height of travel, and wherever persons could be struck
by any moving part, to prevent injury and/or falls.
2 Consideration must be given to the area around the base of the hoist with regard to loading
and unloading materials, and whether a ramp or pit is required to facilitate access to the
platform.
3 The area between the cage or platform and the host structure (the threshold) must be
suitably protected to prevent any person or material falling through the gap at each landing.
1.4.5.14 Landings
1 Where access to a hoist tower is required at several levels, consideration must be given to
the space requirements at each landing with regard to loading and unloading the hoist. It is
essential that each landing and threshold (the area between the platform and landing) can
withstand the loads that will be imposed, with particular emphasis on items such as pallet
trucks which can impose significant point-loading.
2 The mechanical or electrical features of the hoist should ensure that:
(a) the gates at any landing point cannot be opened unless the cage or platform is at that
landing point
(b) the cage or platform cannot be set in motion unless all of the landing gates are closed
and latched.
1.4.5.15 Winches
1 Winches for hoists must be constructed so that a brake is applied when the control lever or
switch is not held in the operating position (the dead-man's handle concept), or if the power
fails.
1.4.5.16 Handover
1 Once erected, the hoist will be subjected to a thorough examination, after which the
supplier's appointed person should arrange to formally hand over the hoist to the user's
appointed person.
2 The user's appointed person should arrange for all trained operators to be present at the
handover of the hoist to receive:
(a) familiarisation training on the use of the hoist in normal operations
(b) instruction on what to do in emergency situations
(c) instruction on how to carry out the daily pre-use inspections and weekly inspections.
3 A handover report, containing details of the instruction given, should be passed to the user's
appointed person.
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1.4.5.17 Operation of hoists
1 It is essential that only operators who have been trained in the use of the hoist are allowed to
operate it. The operator should:
(a) know the rated load of the hoist
(b) be able to accurately assess the weight and distribution of any load brought on to the
hoist, and therefore identify if it is overloaded
(c) have access to accurate wind-speed figures and be aware of any limitations placed on
the hoist
(d) be able to lower the hoist to the next landing in the event of a power failure (passenger
carrying hoists only)
(e) carry out daily pre-use checks and weekly inspections, and take the appropriate
follow-up action as necessary. On some complex hoists, it will be necessary for the
weekly inspection will be carried out by an employee of the hoist company.
2 Each hoist should only be capable of being operated from one position at any one time.
Where the operator is not carried on the platform or cage, they must have a clear view at all
levels from the operating position or, if they have not, arrangements must be made for
signals to be given to them at each level.
3 Whatever the system of signalling used, it must be distinct and clear to the person being
signalled.
4 It is reasonable to expect that the hoist operator and the person(s) giving signals are at least
18 years of age. Irrespective of their age, hoist operators must be trained and competent
unless under constant supervision by a competent person, for the purpose of training.
1.4.5.18 Safety notices
1 The platform of a goods hoist must carry a notice stating:
(a) the safe working load
(b) that passengers must not ride on the hoist.
2 Cages for passenger hoists must carry a notice stating:
(a) the safe working load
(b) the maximum number of passengers that can be carried
1.4.5.19 Carriage of persons in hoists
1 No person should be carried by a hoist, unless it is a designated passenger lift and it is
provided with:
(a) gates that shut to prevent persons falling out or being trapped between the cage and
any other part
(b) an efficient interlocking device which ensures that gates can only be operated when
the cage is at the landing place, and that the cage cannot be moved until the gate is
closed
(c) an efficient automatic overrun device to ensure the cage will come to rest at its lowest
point of travel.
2 The construction of the cage must be such as to protect passengers from falling objects.
3 No person should be allowed to travel in a hoist that is designated a 'goods only hoist'.
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1.4.5.20 Security of loads
1 All loads must be secured to prevent any part slipping and falling.
2 Loose materials, for example, bricks and slates, must be lifted in a properly designed box,
cage or other container. If loose materials are carried on the platform of a hoist, side boards
must be fitted or other precautions taken to prevent anything falling. Wheelbarrows must be
prevented from moving and must not be overfilled.
3 If hiring a powered scaffold hoist, consideration must be given as to how loads will be slung.
Hoisting a wheelbarrow full of render using fabric slings is not likely to be considered as an
acceptable or safe solution. Some of these now have a lifting capacity of 1000 kg and are far
removed from simple powered gin wheels. The use of the proper lifting accessories, which
can be hired-in with the hoist, is strongly recommended.
4 The slinging of loads may become an issue and whilst the suppliers may call the equipment
a hoist, some are more akin to cranes, and users may, depending upon the nature of the
load, need to be trained in safe slinging techniques.
1.4.5.21 Inspection and thorough examination of hoists
Inspection
1 These Regulations recommend that construction hoists are subjected to the following regime
of checks and inspections, by a competent person who has been trained to the appropriate
level.
(a) Daily pre-use checks, carried out by a person who has been trained to do it. This will
often be the hoist operator who has been trained by the hire company.
(b) A more thorough weekly inspection, which, depending upon the complexity of the
hoist, may be carried out by the trained hoist operator. A greater degree of
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competence is required than for carrying out daily checks.
2 In either case, any defect discovered should be reported to the user of the hoist and, where
necessary, the hoist put out of use until rectified.
3 In addition, passenger or goods hoists must be tested each time:
(a) the height of the hoistway is altered or
(b) gates or ties are added or removed to check for safe operation of the hoist.
4 Hoists which are not in regular use may need a special programme of checks, carried out by
a competent person.
Thorough examination
5 All hoists must be thoroughly examined by a competent person:
(a) before first use on site
(b) after substantial alteration, modification or repair
(c) after any exceptional circumstance, such as accidental overloading, and
(d) at least every six months if used for carrying passengers, or
(e) at least every 12 months if used for carrying goods.
6 Accessories for lifting must be thoroughly examined at least every six months.
7 If, as a result of any thorough examination, a risk of imminent personal injury is identified, a
copy of the report must be sent without delay to the Qatar Enforcing Authority.
8 Note: Where manufacturers recommend inspection at different intervals to the statutory
periods, such recommendations should be followed and records kept.
1.4.5.22 Keeping of reports, records, etc.
1 These Regulations require that all testing, inspections and examinations are carried out by a
competent person, and records kept by ways or means best suited to the needs of the
Contractor concerned.
2 This enables the keeping of records in an electronic format provided that:
(a) the correct information is kept as is required by these Regulations
(b) it is secure against loss or unauthorised interference
(c) it is capable of being provided as a printed copy
(d) it is authenticated by a competent person.
3 The reports or copies would normally be stored at the premises where the lifting equipment,
in this case a hoist or hoists, is being used. Where this is not possible due to space
constraints or for security reasons, then reports can be stored elsewhere, such as on a
computer, provided that they are readily accessible.
1.4.5.23 Mobile hoists
1 Mobile hoists and conveyors are now commonly used throughout the construction industry.
They can be easily transported to the site, are quickly erected and require little operating
space. They may be fitted with buckets, skips, platforms or cages.
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2 Different models allow for basic height variations of between 8 metres and 30 metres,
although much greater heights can be reached
with extensions. Load capacity varies with the
model but lifting capacity of 500 kg is not
untypical.
1.4.5.24 Scaffold cranes or barrow hoists
1 These are lifting appliances within the meaning of
these Regulations
2 Care must be taken to see that they are not
overloaded and are only attached to scaffolds in
strict accordance with the manufacturer's
recommendations and the scaffold design.
1.4.5.25 Inclined hoists
1 These are lifting equipment within the meaning of these Regulations. They are particularly
useful for trades such as bricklaying and traditional roofing, and indeed on a larger project
they have the potential to eliminate a significant amount of manual handling.
2 Inclined hoists are also known as roof tile or brick carriers. New developments include
telescopic and slewing functions. Load capacities go up to 200 kg and lateral extensions
may be up to 35 metres.
3 Inclined hoists are specifically designed for use at angles between 10° and 85°, and they
may also incorporate a hinged section to allow the hoist to follow the pitch of a roof.
4 They also provide flexible solutions to the problems of removing demolition waste in
refurbishment situations. As they are in effect a conveyor belt system, care needs to be
taken to ensure that the guards to the rollers are in place to ensure that fingers and/or
clothing can not be dragged in. These are so called 'in running nips' and particularly where
the motor driving the hoist is powerful the potential for serious injury is significant.
1.4.5.26 Gin wheels
1 In many cases provision has to be made to raise tools and
light materials manually with a rope and gin wheel or single
block. Whilst these are still in common use, modern variants
are available, which incorporate an automatic locking
mechanism to prevent the load from going into free-fall if the
hoisting rope is accidentally released.
2 The following provisions and requirements apply to gin wheels
connected to a scaffold:
(a) poles and hooks should be strong enough to take the
load which is to be lifted and be properly secured to
prevent movement
(b) all ropes should comply with the relevant British or
International Standard and fit the wheel correctly. They
should be marked with a tag confirming their safe
working load
(c) preferably, the gin wheel should be suspended from a
ring-type fitting passed over the end of the supporting
tube and secured against lateral movement by scaffold fittings. If using a hook type, it
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should be properly lashed and moused (see diagram opposite)
(d) any joints in standards should be made with sleeve couplers
(e) gin wheels should be suspended not more than 750 mm from the outer support
(f) hooks used for supporting materials should be safety hooks and spliced into the rope
(g) the maximum loading should be no more than 50 kg at 750 mm from the outer
support.
Inspection and thorough examination
3 Whilst of simple construction, gin wheels are categorised as lifting equipment so must be
thoroughly examined before use and then at least every 12 months, with a test certificate
issued.
4 Similarly, the lifting accessories used -such as the rope, hook and shackles -must be
thoroughly examined before use and then at least every six months.
5 Given the scope for the harsh treatment of this type of equipment, all parts of a gin wheel
assembly should be thoroughly examined at least every six months.
6 The extent of any thorough examination should reflect the risks that would arise from its
failure.
7 Where scaffolds are not available, other suitable anchorages must be provided if necessary
by using counterweights.
8 If the appliance to be attached is a gin wheel, a safety factor of not less than three must be
allowed when calculating the weight of the counterweight.
9 If the load to be lifted is G (in kilograms), twice G must be allowed because of the downward
pull on the tail rope when raising the load; to this 0.5 G is added for friction.
10 To calculate the counterweight required, the following formula should be used:
W = 3(2.5 x G x 0)
T
Where:
W = Counterweight
T = Tail length (metres)
G = Greatest load to be lifted
0 = Overhang (metres)
Reference BS 1261, BS EN 698, 699, 700 and 701
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Construction Site Safety
1.4.5 Appendix 1
Hoist towers safety checklist
Pre-planning
1 Have design calculations been obtained to ensure that the host structure can withstand the
loads
2 Have the risks associated with having the hoist delivered, erected, used, modified and
dismantled been assessed?
3 Have relevant other parties been informed of how these activities will affect the work that
they have to do?
4 Has a method statement been agreed between the hoist company and the user?
5 Have the hoist company and the user each selected an 'appointed person'?
6 Has there been sufficient liaison between both appointed persons?
7 Have arrangements been made for the installation and testing of an adequate and safe
electrical power supply?
8 If the hoist is not electric, have arrangements been made for the safe storage and decanting
of petrol?
9 Is a foundation necessary and if so:
(a) is a design necessary?
(b) is the extent of enabling work known?
(c) must arrangements be made for drainage?
Protection and access
1 Is the hoistway and any moving parts of its machinery protected by an enclosure?
2 Is the hoist tower completely enclosed on all four sides with wire mesh (except any landing)?
3 Have appropriate measures to taken to ensure safe access to the cage or platform at ground
level?
4 Is it not possible to set the hoist in motion whilst any gate at ground level or at any landing is
open?
5 Can the gates at any landing point only be opened if the cage is at that landing point?
6 Is any gap between the platform and tower (threshold) closely boarded?
7 Are landing stages kept free of plant or materials?
8 Is the hoist fitted with an overrun device at its highest point?
9 Is the hoist fitted with an efficient device capable of supporting the platform and load in the
event of a failure of ropes or lifting gear?
Loadings
1 Are loadings placed on a hoist tower as recommended by the manufacturer?
2 Are all loads evenly distributed?
3 Are loads prevented from displacement?
4 Are all wheelbarrows chocked?
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5 Is a safe working load notice displayed on the platform or cage and can it be clearly seen at
all levels?
6 Is the safe working load strictly complied with?
7 Is the carriage of passengers on goods only hoists clearly prohibited and this communicated
by appropriate signs?
8 Are special precautions put in place when the load will overhang the cage or platform?
Operation
1 Is it clearly understood that the hoist must not be operated from inside the hoist enclosure?
2 Are the hoist controls so arranged that the hoist can only be operated from one position at
any one time?
3 Is the operator's position safe and adequately guarded with hand-rails and toe-boards?
4 Is the operator provided with a clear view of the platform at all times?
5 Are all operators trained, competent, and not under 18 years of age (unless under constant
supervision of a competent person)?
6 Are all signals connected with the operation of the hoist clear and distinct?
7 Is adequate lighting provided at all loading places?
Testing and thorough examination
Hoist
1 All hoists should be tested and thoroughly examined before use and after any substantial
alteration or repair.
2 All material (goods) hoists should have been subjected to a thorough examination within the
preceding 12 months.
3 It is good safety practice for all hoists to be inspected weekly by a competent person.
Winch
1 All material (goods) hoist winches must be thoroughly examined every 12 months, or in
accordance with an examination scheme of lesser intervals.
2 All hoist winches should be inspected weekly by a competent person.
3 All wire ropes used in conjunction with a material hoist winch must be thoroughly inspected
every 12 months, or in accordance with an examination scheme of lesser intervals.
Major defects
1 Any report relating to a thorough examination of a hoist showing that there is a defect
involving an existing or imminent risk of serious personal injury must be sent to the Qatar
Enforcing Authority.
2 Any such report must also be given immediately to the Contractor. The hoist must not be
used before the defect is rectified.
Recording requirements
Tests and examinations
1 Tests and examinations must be recorded before first use, after re-erection, alteration or
repair and following alteration in height of travel.
2 The results of thorough examinations carried out before first use must be recorded in
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whatever manner the company requires and that record must be available for inspection.
3 It is good practice to ensure that a weekly inspection is carried out and recorded in whatever
manner the company requires and kept available for inspection.
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Construction Site Safety
1.4.6 Plant and Work Equipment
1.4.6.1 Key points
1 The term 'work equipment' is self-explanatory and very wide ranging; it refers to any item of
equipment being 'used' to carry out work.
2 The word 'used' means any activity involving the work equipment, including: starting,
stopping, repairing, modifying, maintaining, servicing or repairing.
3 Examples are an excavator, a hammer, a cement mixer and a hydraulic trench-support
system.
4 Broadly speaking, the effort necessary to comply will depend upon the complexity of the
equipment and its potential to cause harm; for example, a trowel will not require the same
level of inspection as an electric goods hoist.
5 These Regulations also require anyone who uses an item of work equipment to be trained
and competent to do so.
6 The effort and time needed to achieve the required level of competence will depend upon the
complexity of the equipment and its potential to cause harm.
7 Work equipment must be inspected as necessary to ensure that it can continue to be used
safely.
8 Certain work equipment must also be subjected to a schedule of thorough examinations.
1.4.6.2 Introduction
1 It is all referred to as 'work equipment' and includes all:
(a) toolbox tools, such as hammers and screwdrivers
(b) powered tools, including electric and pneumatic (such as hand drills and circular saws)
(c) testing and laboratory equipment, such as cube crushers
(d) complex structures and machines made up of other components and equipment are
also covered, such as scaffolds.
2 Some types of powered hand tools, such as engine-powered cutting-off machines and
chainsaws, have the potential to cause severe personal injury unless they are used by
trained and competent persons in appropriate circumstances.
3 Another type of equipment commonly used in the construction industry that has the potential
to cause harm if not properly used is mechanical equipment that operates through the
application of leverage or torque. This includes jacks, winches and various cutting and
bending tools that incorporate manually operated mechanisms.
4 Tools and equipment operated by air also cause significant injuries upon failure of the tools
or the connections to the compressor.
5 All items of plant are classified as work equipment, including static and mobile equipment,
pedestrian-controlled equipment, ride-on equipment and remote-controlled equipment.
6 Plant used in construction operations on site includes static plant used in the actual
construction work, such as mixers and pumps.
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1.4.6.3 Health and Safety at Work (Construction Sites)
1 These Regulations place general duty on all Contractors to provide safe plant and machinery
for use at work. The self-employed worker is given similar duties regarding plant and
machinery that they provide for their own use.
2 Additionally, these Regulations place a duty on Contractors to provide the information,
instruction, training and supervision necessary for persons to be able to operate the plant
and machinery safely. Employees, in turn, are required to use the equipment safely, in
accordance with the training which they have been given.
3 A general duty is placed on any person who manufactures, designs, imports or supplies any
article, materials or substance for use at work to ensure, so far as is reasonably practicable,
that articles and substances are, by design and construction, safe and without risks to health
when being used, set, cleaned or maintained by persons at work.
4 In addition, duties are placed on employees not to recklessly interfere or misuse anything
provided for health and safety purposes. This could include the act of removing a guard or
defeating a safety cut out switch.
1.4.6.4 The Management of Health and Safety at Work
1 These Regulations place a requirement on every Contractor to make a suitable and sufficient
assessment of every work activity to identify any hazard that employees or other people
might encounter as a result of the work being carried out.
2 Once those hazards have been identified, it is then the Contractor's duty to put control
measures into place, to either eliminate the hazards or, where this is not possible, reduce the
risk of injury or ill health resulting from those hazards, as far as is reasonably practicable.
3 The Contractor must, through the risk assessment process, establish any risks to the health
and safety of any employee (or anyone else) arising out of the use of any item of work
equipment. They must take the necessary steps to ensure that the equipment can be used
safely.
4 This will involve:
(a) providing employees with comprehensible and relevant information on any risks that
exist with regard to the use of work equipment
(b) informing employees of any control measures that are in place to reduce those risks
(c) taking into account the capabilities of employees who are required to use work
equipment
(d) providing adequate (health and safety) training in the use of potentially hazardous
work equipment.
5 Employees, for their part, have a duty under these Regulations to tell their Contractor of any
work situation that presents a risk to the health and safety of themselves or of any other
person who may be affected.
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1.4.6.5 Provision and Use of Work Equipment
1 These Regulations are fundamental to the health and safety aspects of how work equipment
is selected, used and maintained.
2 These Regulations place legal duties on Contractors with regard to work equipment that they
provide to employees and the self-employed for their own use, and those who otherwise
have control of work equipment, such as those who hire in equipment.
3 These duties are to:
(a) only provide work equipment that is suitable for the job
(b) ensure that work equipment is maintained in an efficient state and kept in good
working order by persons who are trained to do so
(c) ensure that maintenance logs are kept up to date where they exist
(d) ensure that where the safety of work equipment depends on the way it is installed, it is
inspected as necessary and records of inspections made
(e) ensure that equipment subject to deterioration through exposed conditions, which
could give rise to a dangerous situation, is maintained and inspected at appropriate
intervals to allow remedy, or after each exceptional circumstance
(f) ensure that where the use of work equipment involves a specific risk to the health and
safety of employees, the use, maintenance, repair, modification and service of the
equipment is restricted to competent and specified workers
(g) provide employees with information, instruction and training in the use of work
equipment, where necessary for their health and safety, including abnormal situations
(h) ensure that work equipment has been designed and constructed in compliance with
any European Safety or International Safety Directives?
(i) ensure that dangerous parts of machinery are adequately guarded, where practical, by
fixed guards that cannot be defeated or removed
(j) take measures to protect the health and safety of any person from exposure to:
(i) anything falling from or being ejected from any item of work equipment
(ii) rupture or disintegration of any parts of work equipment
(iii) work equipment overheating or catching fire
(iv) the unintended discharge of any article, dust or gas which is produced by or
stored in the work equipment
(v) the unintended explosion of any item of work equipment or any article or
substance produced, used or stored in it
(k) ensure that users of work equipment are adequately protected from any part of the
work equipment that exposes them to very high or low temperatures
(l) ensure that all work equipment has adequate controls, emergency controls and, where
necessary, a control system to enable it to be used safely
(m) ensure that where stop controls are fitted, they bring the machine to a safe condition.
This may include bringing the machine to a complete stop and/or isolating it from
energy sources
(n) ensure that where stop controls are provided, they are easily accessible and activated
(o) ensure that all controls for use are easily identifiable and that where reasonably
practicable, the operator is in a position of safety when operating them
(p) ensure that failure of any equipment leads to a safe situation and that the function of
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stop controls are not affected, if reasonably practicable
(q) ensure that each item of work equipment can be effectively isolated from all sources of
energy
(r) ensure that work equipment is stable in use, if necessary by clamping
(s) ensure that suitable and sufficient levels of light are available for the safe operation of
work equipment
(t) ensure where reasonably practicable, that servicing, maintaining and cleaning of
equipment is carried out whilst it is shut down or with appropriate measures in place to
safeguard employees
(u) ensure, where appropriate, that warnings are incorporated. These can range from
signs and notices, to alarms and beacons.
4 Specific conditions apply to mobile and self-propelled work equipment that has the potential
to cause injury to employees and third parties. These require the Contractor to:
(a) ensure that no one is carried on mobile equipment unless provision is made for
carrying passengers and provisions for their safety are made
(b) ensure where there is a risk of an operator being injured from plant turning over, that
sufficient steps are taken to prevent the machine from overturning or the provision of a
roll over protection system (ROPS) (see below for further detail)
(c) ensure that equipment has facilities to prevent unauthorised start-up, has appropriate
controls, anti-collision measures (rail-mounted equipment) and, if required, has
suitable lighting and adequate fire-fighting facilities
(d) ensure that the operator of such plant and equipment has suitable vision in all
directions, with visibility aids if direct vision is blocked, so far as reasonably practicable
(e) ensure that remote controlled equipment stops automatically upon leaving its control
range and incorporates anti crush and impact devices that are appropriate
(f) ensure that measures are taken to prevent drive shaft seizures and systems for
safeguarding drive shafts.
1.4.6.6 Lifting Operations and Lifting Equipment
1 These Regulations apply to all lifting equipment and accessories, such as cranes, shackles,
hoists and slings that are used to carry out mechanical lifting operations.
1.4.6.7 General requirements applicable to all work equipment
Suitability for purpose
1 All equipment that is used to carry out a work activity must be suitable for the work to be
carried out.
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2 Improvisation is dangerous and can lead to serious accidents occurring. A hand-held circular
saw being used instead of a router to cut grooves or rebates in timber, or a dumper being
used to transport persons, both have the potential to create dangerous situations.
3 All work equipment must be regularly maintained in an efficient state, in efficient working
order and in good repair (as described in the following section).
Maintenance
4 To be able to work as safely as possible, it is essential that work equipment is regularly
maintained, again by a competent person. In practice, maintenance is usually divided into
three types of activity:
(a) daily basic maintenance can be as simple as regularly checking the oil and water
levels of a petrol-driven cement mixer, and is sometimes referred to as 'pre-use
checks'
(b) periodic maintenance of equipment involves more detailed checks than carried out
under 'daily maintenance' and is usually carried out by a fitter as part of a pre-planned
programme of regular inspections, for example the replacement of engine oil or
hydraulic oil filters
(c) detailed inspection and servicing, which may involve a degree of dismantling of the
equipment in a workshop and entail, for example, the measurement of wear of moving
parts or the integrity of hydraulic hoses and connections. This type of inspection is
carried out at specific intervals according to the manufacturer's instructions and is
often based on the 'running hours' of the equipment.
5 In conjunction with manufacturers' guidance, the competent person should draw up a
programme of the frequency of maintenance to be applied to work equipment.
6 In drawing up the programme, there will be a need to take certain factors into consideration.
(a) The type, class and complexity of equipment.
(b) Some types require weekly maintenance, others less frequent maintenance.
(c) The frequency that a piece of work equipment is used.
(d) Equipment in regular use will probably require more frequent maintenance than
equipment used infrequently.
(e) The equipment's potential to cause serious harm. Powered machinery with the
potential to cause serious harm, for example a circular saw, will require more regular
attention than a hammer.
(f) The likely deterioration of work equipment when not in use.
(g) The environment that the equipment is used in.
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7 There is no specific requirement to keep a maintenance log for work equipment, but where
there is one, it must be kept up to date.
Inspection
8 All work equipment must be inspected at suitable intervals and records of inspections made.
9 As with maintenance, a competent person must set up an inspection regime, in accordance
with legal requirements and manufacturers' guidance. The frequency of inspection is not
specified.
10 The level of inspection will depend on the complexity of the equipment and vary from a visual
inspection to a comprehensive inspection that might include some dismantling and testing.
11 Usually inspection is undertaken as part of the maintenance activity as well, but inspection
falls into two broad headings.
12 A visual check of low risk items before use will suffice for items such as hand tools, to check
they are in good order. These inspections are not usually formally recorded inspections. In
addition, equipment that poses a high risk, such as some plant, or is used in a high risk
environment, such as a confined space, should undergo a visual check every time before
use -usually an operator inspection, provided they are competent to do so.
13 More complex equipment and equipment used in higher risk areas should also undergo a
formal inspection, after which the details of the inspection are recorded.
14 When deciding the frequency of inspections, the following points need to be considered:
(a) the type and class of the equipment
(b) the frequency of use of the equipment
(c) the potential of the equipment to cause serious harm if not maintained
(d) the likely deterioration of the equipment whether in use or in store
(e) the environment in which the equipment is being used.
15 Normal practice for most plant is to undergo a weekly formal inspection, in addition to the
driver's daily inspection. The frequency of inspections may be adjusted after considering the
above factors.
16 The following legislation also place duties on Contractors to ensure that specific work
equipment and areas of work (which will also involve inspecting the associated work
equipment) are inspected as highlighted below.
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Work at Height
17 These Regulations specifically require the inspection of work equipment used for working at
height, such as scaffolds, and the recording of those inspections as detailed in these
Regulations.
Construction (Design and Management) CDM
18 These Regulations require that:
(a) excavations which are supported are inspected at specific intervals
(b) energy distribution systems are checked as necessary to prevent danger
19 both of which will involve the inspection of the associated work equipment.
20 Furthermore, these Regulations place duties on those people in charge of sites with regard
to the safe use of vehicles on site.
Records of inspection
21 These Regulations require that systems must be put in place for recording the results of
inspections, Unlike in the past when prescribed registers had to be used, Contractors can
produce their own records in paper form or electronically, providing that they can produce
hard copy if requested.
22 Inspection records should include the following:
(a) information on the type and model of the equipment
(b) any identification mark or number
(c) its normal storage or use location
(d) the date that the inspection was carried out
(e) the name of the person who carried out the inspection
(f) any faults found
(g) any corrective action which was necessary
(h) to whom the faults were reported and details of the action taken
(i) the date when repairs or other necessary action were carried out and by whom.
23 When hiring equipment, the records and results of the last inspection should be supplied, by
the hire company, with the equipment.
24 There is no specified format for records of inspection, providing the necessary details are
recorded.
Conformity with EU requirements or equivalent standards
25 Contractors should ensure that any work equipment that is in use or acquired, either new or
second-hand, has a 'CE' or equivalent mark. This indicates that there is a relevant European
product directive equipment and that it has been manufactured to known standards.
Training
26 Many accidents involving plant and equipment occur because the operator, through lack of
training, is not competent. It is therefore essential that persons are adequately trained in the
safe and correct use of the type of equipment they are required to operate.
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27 The level and complexity of the training required should be such that an operative can
operate the plant or equipment safely, without risk to themselves or others who may be
affected by their actions or omissions. In addition, adequate training should be given to
supervisors and managers to allow them to understand the equipment and methods used.
Quick-hitches
28 The operatives selected for training should be both physically and mentally able to cope with
any situation the use of the item of plant or equipment demands. For example:
(a) a person with a fear of heights would not be suitable for training as a tower crane
driver
(b) a person who suffers from claustrophobia would be unsuitable as an operator of a
tunnel-boring machine.
(c) The intellect of the person to be trained should also be judged, to ensure that they can
assimilate the information they will be expected to retain in order to carry out their
tasks safely.
1.4.6.8 Types of plant and equipment -specific requirements and risks
Mobile work equipment
1 Mobile work equipment is any work equipment that
carries out work while it is travelling, or which
travels between different locations where it is used
to carry out work. Mobile work equipment may be
self-propelled, towed or remotely controlled, and
may be fitted with attachments.
2 Examples of the types of equipment falling within
these definitions include:
(a) trucks
(b) diggers
(c) loaders
(d) forklift trucks
(e) compressors
(f) site transport
(g) remote controlled rollers etc.
(h) trailers.
General considerations
3 The movement of mobile work equipment, whether over site roads or within specific areas,
involves different and continually changing hazards. These have the potential to cause harm,
such as:
(a) persons being struck or run over
(b) persons being thrown from moving plant or equipment
(c) persons being crushed by moving plant or equipment.
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4 Practical measures which should be considered to ensure that mobile plant and equipment
can be used safely on site are:
(a) traffic routes should be planned in order to minimise congestion and risk of collision
(b) these routes should be kept free of obstructions and properly maintained, with access
points restricted and clearly marked
(c) appropriate speed limits should be introduced
(d) one-way traffic systems should be implemented if possible and appropriate parking
places should be designated for delivery vehicles and those left temporarily on site
(e) the operating area should be clear, as far as possible, on all sides
(f) where excavation is taking place, operators must know the location of any overhead
power lines, underground cables, sewers, ducts or services before digging operations
commence
(g) trenches and excavations should be fenced or otherwise guarded
(h) ground conditions should be stable and sufficiently level for the operations being
carried out and the equipment used
(i) where equipment fitted with outriggers or stabilisers is used, the load-bearing capacity
of the ground should be assessed so that the imposed loads do not exceed this
capacity
(j) where site vehicles are employed in tipping material into excavations, baulks of timber
or other effective blocks should be provided to prevent the vehicle over-running the
edge
(k) excavations may have to be provided with extra support or shoring to prevent the
weight of adjacent vehicles causing a collapse (surcharging).
5 Vehicles and plant designed for specific operations must only be used for those operations,
and the design limitations and permitted modes of operation specified by the manufacturer
must be complied with.
6 The overloading or overstressing of plant is particularly dangerous and must be prohibited.
Manufacturers' and suppliers' instruction and information manuals should be made available
for all who may need them.
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Forward-tipping dump trucks
7 Amongst mobile plant, forward-tipping site dumpers are worthy of special note because they
are involved in a disproportionately high number of plant-related accidents. This applies to
both rigid-frame and articulated dumpers. The common causes of these accidents are:
(a) overturning on slopes, rough ground and at the edges of excavations
(b) travelling with a high-lift skip in the raised position
(c) the driver failing to observe pedestrians who are then run over by the front wheels
(d) the driver being thrown from the vehicle whilst travelling over rough ground
(e) driver error due to lack of experience and training, including accidental operation of
the controls.
8 Efforts to reduce dumper accidents must focus on:
(a) effective site management and control of how dumpers are operated generally
(b) selecting the correct machine for the job
(c) ensuring that machines are routinely inspected, serviced and withdrawn from use if
unsafe
(d) ensuring that only trained, competent drivers are allowed to operate dumpers, which
includes removing the key when not in use
(e) ensuring that site roads are suitable and safe for the use of dumpers.
Material unloading and loading
9 Materials that are unloaded or tipped from plant should be deposited in planned locations
where they will not cause an obstruction or hazard.
10 A signaller should assist the driver during any tipping operation to ensure that it is safe to tip
and that there are no other hazards to be encountered during the operation.
11 Operatives must not remain on vehicles that are being loaded unless the vehicle is equipped
with a reinforced cab or falling object protection system (FOPS).
12 Operatives working with plant or vehicles, or on sites where there are regular vehicle
movements, should be provided with the appropriate personal protective equipment which
should include high visibility clothing.
Roll-over protection systems (ROPS)
13 Where there is the risk of mobile work equipment rolling over, Contractors have a duty to
ensure that protective measures, such as reinforced cabs or a roll-cage, are fitted to stop
mobile equipment doing anything more than falling onto its side, thereby minimising the risk
of a person being crushed. The cabs or roll-cages should give adequate clearance for
operatives to escape if the equipment does completely overturn.
14 Where there is a risk of an operator being thrown then crushed by equipment rolling over, a
suitable restraining system (such as a seat belt) should be fitted.
15 This requirement may also apply to equipment fitted with a fully enclosed cab if there is a risk
that a person being thrown from their seat could be injured by coming into contact with the
inside of the cab's structure.
16 Restraining systems must be fixed to a strong anchorage point on the main structure of the
equipment.
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17 In areas of limited access, ROPS may be removed only if a suitable and sufficient risk
assessment has been carried out and there is no risk of overturning.
1
Roll-over of forklift trucks
18 There is no requirement for forklift trucks fitted with a vertical mast to be provided with
specific roll-over protection where the mast acts as an anti-roll device. There is, however, no
exemption from forklifts having to be fitted with restraining systems.
Falling object protection system (FOPS)
19 Where there is the risk to persons operating mobile work equipment of being struck by falling
material, overhead protection or reinforced cabs must be fitted which stop any falling
material striking the operator.
Prevention of unauthorised start-up
20 It must not be possible for self-propelled mobile work equipment to be started by
unauthorised persons when the vehicle is parked. Additionally, it must be possible to isolate
the drive mechanism. This can be achieved by the removal of ignition keys or starting
handles.
Lighting and warnings
21 When self-propelled mobile work equipment is used in the dark or in reduced visibility, lights
must be fitted and used to enable the work area to be adequately illuminated. In addition,
amber flashing beacons that give warning of the presence of the vehicle should be fitted and
used. It is required that some types of construction vehicles be fitted with audible reversing
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warning devices or similar devices, such as CCTV.
Ride-on plant
22 Ride-on plant refers to equipment that is operated or used with persons 'riding on' the piece
of plant as opposed to riding in it. Some trucks, excavators and planers are among the types
of equipment within this category.
23 Plant that is not designed to carry passengers should be provided with a notice clearly
stating 'No Passengers'.
24 People can only be carried if the vehicle has been designed for such a purpose. Passengers
and drivers must not be carried unless proper seating, strongly and correctly connected to
the main structure of the vehicle, is provided.
25 Where passengers are permitted to be carried, additional restraining devices must be
provided.
26 Where on-board work activities have to be carried out, seating should be provided, if
possible, with work platforms fitted with suitable barriers or guard-rails to stop operatives
falling from the equipment whilst it is in motion.
All-round visibility
27 To ensure safe operation of plant, a standard is being accepted whereby the operator of the
plant or vehicle has all-round vision from the operating position. It is generally accepted that
the operator should be able to see, at all times, an object positioned 1 metre above ground
level and 1 metre away from the plant through 360° visibility.
28 This can usually be achieved by the use of additional mirrors, convex mirrors or by CCTV.
29 Where this is not possible, consideration should be given to providing a competent, qualified
signaller working exclusively with the plant operator.
30 Contractors meeting the above criteria would be seen to be doing what is reasonably
practicable to provide a safe place of work and a safe system of work in respect of that item
of plant.
31 Every Contractor must ensure that the work equipment is so constructed or adapted as to be
suitable for the purpose for which it was provided.
32 In selecting the work equipment, every Contractor shall take account of the working
conditions and to the risks to the health and safety of persons who are in the vicinity of
where the work equipment is to be used.
1.4.6.9 Pedestrian-controlled work equipment
1 This type of equipment relies heavily on the experience and competence of the operative for
its safe operation. Small pedestrian-operated rollers, vibrating or 'whacker' plates and
surface grinders are among the types of equipment within this category.
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2 Common accidents involving pedestrian-controlled equipment occur when operators of small
vibrating rollers are crushed between the machine and adjacent obstructions. This is one
reason why these Regulations require efficient stop controls to be fitted.
3 It is also essential that operators be provided with, and wear, strong protective footwear to
prevent their feet from being injured.
1.4.6.10 Static work equipment
1 This type of small plant should be sited on firm, level ground with the brakes applied and
wheel chocks in position, as necessary.
2 Cement or concrete mixers, compressors and pumps are examples of static equipment.
3 Plant should be sited clear of personnel with allowance for safe access by authorised
persons.
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4 The correct procedures for starting, operating and shutting down should be correct and
strictly complied with.
5 All gauges, valves, connections and guards should be checked for tightness and proper
attachment as a matter of routine.
6 Other points to be considered are:
(a) appropriate personal protective equipment must be provided by Contractors and used
by operatives
(b) access to all dangerous or moving parts of the equipment must be provided with
guards which are securely fixed and in position
(c) adequate ventilation is essential when using equipment in confined places, with
harmful fumes being extracted to the open air
(d) any air lines, spray guns or blasting nozzles, used as an accessory to the equipment,
must never be pointed towards other persons or at any part of the body
(e) hoses, pipes or cables should be kept clear of traffic and pedestrian routes. Simple
ramps and barriers can be used to protect cables etc., and to provide safe access
(f) air hoses should be fitted with whip-checks at every connection to prevent the hose
connections from blowing apart
(g) electrical and mechanical plant and equipment, unless specifically designed to
eliminate the risk, must be switched off or stopped before adjustments are made and
before any accessories are connected or disconnected.
1.4.6.11 Manually operated hand-held plant and mechanical equipment
1 Selection of the correct equipment for the job in hand is vitally important. Choosing modern
equipment that reduces the risk of injury or ill health is fundamental to creating safer working
environments.
2 The environment in which the equipment is used also has a bearing on the safety of the
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operative. It may be safe to use a hand saw from a pair of builders' steps, but to use the
modern electric equivalent from them could have fatal results.
3 Hand-held power tools, whether powered electrically, by internal combustion engine,
hydraulically, by cartridge or compressed air, are covered by the definition.
4 As the use of these types of tool has increased, so has the potential for serious injury. Old
type hand-operated smoothing planes could cause nasty cuts if wrongly used, but those
injuries bear no comparison with the injuries that could occur when wrongly using their
modern electrical equivalent.
5 Cutting chases in a wall using an older type cutting disc produces unacceptable amounts of
dust. Modern equipment that is fitted with a dust suppression mechanism is safer and much
healthier.
6 Also included within this category is the type of equipment that requires human effort in its
operation, such as jacks, bar-bending machines, pipe-threaders and other machines where
the principles of leverage or torque are utilised.
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7 Many jobs, such as nailing tiling battens on a roof, that traditionally would have been
achieved by using a hammer, are now carried out by using nail guns powered by gas
canisters. Equipment of this type is open to abuse, which can result in horrific
consequences. It is possible to propel a nail in free flight from a nail gun giving it the lethal
potential of a firearm.
1.4.6.12 Non-mechanical plant and equipment
1 Included in this category are hand tools, ladders scaffolding, etc. Also included are huts and
other temporary structures used for welfare accommodation or fuel and materials stores.
Hand tools
2 Unfortunately, many persons working in the construction industry do not appreciate that
simple hand tools have the potential to cause serious harm.
3 In many cases where hand tools are used, persons react when things go wrong, instead of
proactively checking to ensure that things do not go wrong in the first place.
4 Cold chisels with burred-over mushroom heads can result in a person losing an eye when a
burr breaks off during use. A hammer head becoming detached from its shaft can cause a
serious injury and not necessarily to the user.
5 In both examples, the potential to cause harm can be drastically reduced if a system of
regular inspection and maintenance, as required by these Regulations, is in place.
1.4.6.13 Access equipment
Scaffolds
1 Scaffolds, if incorrectly erected or exposed to misuse, can also be the cause of accidents.
2 Such equipment must:
(a) comprise suitable components that have been inspected prior to use
(b) be regularly inspected every 7 days or after alteration, damage or high winds, the
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results of the inspection recorded, and proactive maintenance regimes put into place
(c) not be interfered with or altered by untrained individuals.
3 Many accidents have occurred due to installation of scaffold with damaged equipment such
as split boards and bent tubes.
Ladders and other wooden access equipment
4 Work equipment made from wood will not last for ever. It will deteriorate with age and use.
Regular inspection of the equipment is essential for safety and will prolong its useful life,
giving early indication of deterioration. It is commonplace for inspections of ladders and
steps to be formally recorded, with each ladder or step being given a specific identifying
number.
5 A key issue with wooden ladders and steps is that they must not be painted or treated with
anything that would hide any faults or defects.
6 The regular inspection of wooden builders' steps must include the hinges that connect the
support stays and the restraining rope that controls the opening of the steps as well as the
condition of the timber.
7 Wooden extension ladders have ropes, pulley blocks, and clips that fit over rungs. These are
vital to the safe use of these ladders and therefore must again be regularly inspected.
8 The simple wooden pole ladder must be checked to ensure that the wire ties beneath certain
of the rungs are in place and tight. Rungs must be checked to ensure they are still firm and
do not twist, and the stiles checked to ensure they are not split.
9 All work equipment has the potential to be the cause of accidents. Obviously, the potential
and the consequences differ between types of equipment.
10 Management systems for the training and instruction of operators, and the inspection of
equipment, must be in place and complied with.
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Construction Site Safety
1.4.6 Appendix 1
Plant and work equipment
Safety checklist
1 When was the plant or equipment last checked or tested?
2 Are statutory records being kept up to date?
3 Is the item of plant or work equipment the most suitable for the job in hand?
4 Is a risk assessment necessary to determine the most suitable item of plant or work
equipment?
5 Have any faults developed through misuse or neglect?
6 Have faults or defects been correctly and promptly reported?
7 Are those faults reported being remedied promptly and effectively?
8 Does all plant or equipment comply with the relevant standards?
9 Are spot checks made on the condition of hand tools and other minor items of equipment?
10 Is there a procedure for the inspection of and repairing or replacing of such equipment and
tools?
11 Are drivers and operators trained on specific plant or equipment aware of the hazards that
are associated with its operation?
12 Is safety training included in any instruction which is given to operatives?
13 Is personal protective equipment available and issued to all who need it?
14 Have lists of authorised drivers and operators been kept up to date?
15 Is equipment issued to and used only by authorised persons?
16 What information is available in relation to specific items of plant? Where is it kept and by
whom?
17 Do checks show that plant is being used safely?
18 Do operatives know the requirements of these Regulations and those which have a bearing
on their activities, and are they aware of their own responsibilities?
19 Are rules observed by site vehicles?
20 Has any instance of overloading or over-stressing of plant come to light?
21 Are ROPS, FOPS and driver restraint systems fitted if appropriate?
22 Does the operator of mobile or self-propelled plant have adequate visibility in all directions
and are all visibility aids in good order?
23 Are there any signs of the unplanned or dangerous location of any plant?
24 Are the locations of supply cables, pipes, services, etc. identified before any plant or other
equipment is brought into the vicinity?
25 Where appropriate, are communications adequate between:
(a) the teams doing different work within the same area?
(b) the different shifts using the same plant?
(c) the workers engaged in a co-ordinated operation?
26 Has all work equipment been identified?
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27 Have inspection regimes appropriate to the equipment been instigated?
28 Are the records of the inspections and tests being kept up to date?
Construction Site Safety
1.4.7 Woodworking Machines
1.4.7.1 Key points
1 Woodworking machines are classified as 'work equipment' and must therefore comply with
certain legal requirements.
2 Many items of woodworking equipment, with their partially exposed blades or cutters, have
the potential to cause serious personal injury if they are not properly used and maintained.
3 Users of woodworking machinery must be trained on each type of machine that they are
required to operate and be judged as competent by their Contractor.
4 Hand-held, bench-mounted and free-standing woodworking machines can all be found on
sites; all types present particular hazards to the operator and, in some cases, other people.
5 The use of woodworking machines also has the potential to cause occupational health
problems if appropriate preventative measures are not taken.
6 Section 18 of the QCS covers carpentery, joinery and ironmongery.
1.4.7.2 Introduction
1 Woodworking machine cutters can inflict very serious injuries and it is essential that these
Regulations for guarding them are strictly observed. Neglect or ignorance of these
Regulations governing the use of such machinery creates the conditions in which accidents
occur.
2 Furthermore:
(a) the use of woodworking machines
(b) contact with some hardwoods used
(c) contact with the dust produced
3 All have the potential to cause occupational health problems.
4 Within these Regulations, particular reference is made to circular saws and planing
machines, since these are most commonly used on-site in the construction industry.
1.4.7.3 The Management of Health and Safety at Work
1 These Regulations place a requirement on every Contractor to make a suitable and sufficient
assessment of every work activity to identify any hazard that employees or other people
might encounter as a result of the work being carried out.
2 When hazards are identified, it is then the Contractor's duty to either eliminate the hazard or
to put control measures into place to reduce the risks to health and safety arising out of the
hazards, as far as is reasonably practicable.
3 The Contractor must provide employees with comprehensible and relevant information on
any risks that exist in the workplace and on any control measures that are in place to reduce
those risks.
4 Compliance with these Regulations mainly involves Contractors pro-actively managing:
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(a) personal injury risks resulting from contact with moving blades and cutters
(b) personal injury risks resulting from the maintenance of the machines
(c) occupational health risks resulting from the use and maintenance of the machines.
5 Employees, for their part, have a duty under these Regulations to tell their Contractor of any
work situation which presents a risk to the health and safety of themselves or any other
person who may be affected.
1.4.7.4 Provision and Use of Work Equipment
1 These Regulations stipulate the requirements for the safe operation and maintenance of all
'work equipment', which includes woodworking machines.
2 In the context of this section, the parts of these Regulations that are particularly relevant
cover such factors as:
(a) work equipment being suitable for the job, and kept in good working order by persons
who are trained to do so
(b) the guarding of dangerous parts of machines and provisions relating to working space,
floors, lighting, noise and temperature. They apply to all places where woodworking
machinery is used
(c) the requirements relating to the instruction and training of persons operating work
equipment, including those employed in 'taking-off' and maintenance, and specify the
duties of operatives
(d) work equipment being fitted with suitable controls, emergency controls and where
necessary, a control system, to enable it to be used safely
(e) ensuring that each item of work equipment can be effectively isolated from all sources
of energy
(f) the requirements for maintenance and inspection.
3 The parts of these Regulations that are particularly appropriate to the use of woodworking
machinery are expanded throughout.
1.4.7.5 Personal Protective Equipment
1 These Regulations place duties on Contractors and employees with regard to the provision,
use and care of personal protective equipment (PPE). Where the risks to health and safety
cannot be controlled by other means, PPE may be issued and used; as a method of
controlling risk it is the last resort.
2 However, when using woodworking machinery on site, PPE will often be the only practical
method of controlling risk, particularly health risks
3 These Regulations place legal duties on Contractors to:
(a) provide suitable PPE for their employees and make sure that it is used properly
(b) make sure that items of PPE are compatible when more than one item is worn at the
same time. For example, if wearing safety spectacles, it is possible that the side-arms
would interfere with the seal of a half-face respirator
(c) make an assessment of the most suitable PPE to protect against the identified risks
(d) make sure that PPE is properly maintained where this is necessary
(e) replace PPE that is damaged or lost
(f) provide suitable accommodation where necessary for PPE that is not in use
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(g) provide employees with adequate information, instruction and training on:
(i) the risks that the PPE will avoid or limit
(ii) why the PPE has to be worn and how it should be used
(iii) how to maintain the PPE in efficient working order and good repair.
4 These Regulations place legal duties on employees to:
(a) use any PPE provided in accordance with the instruction and training provided
(b) report to the Contractor the loss of or defect in any PPE provided.
1.4.7.6 Construction (Design and Management) CDM
1 In the context of this section, the relevant requirements are that the Contractor or person in
control of the site must ensure:
(a) the competence of everyone who has to use or supervise the use of a woodworking
machine
(b) a safe place of work with safe access and egress and sufficient working space is
provided
(c) the prevention of risks of fire or explosion
(d) the provision of adequate fire detection methods and fire-fighting equipment
(e) adequate levels of lighting, taking into account the nature of the work being carried out
(f) an acceptable level of site tidiness and cleanliness
(g) suitable information, instruction and training where necessary for work to be carried
out safely and without a risk to health.
1.4.7.7 Types of machine
1 The following list gives examples of different types of woodworking machine. It should not be
taken as exhaustive.
(a) Circular saws
(b) Sanding machines
(c) Bandsaws
(d) Routing machines
(e) Planing/thicknessing machines
(f) Chainsaws
(g) Mortising machines
(h) Tenoning machines
(i) Vertical spindle moulding machines, including high-speed routing machines
(j) Multi-cutter moulding machines having two or more cutter spindles
(k) Trenching machines
(l) Boring machines
(m) Automatic and semi-automatic lathes.
1.4.7.8 Training
1 No person should be required to operate any type of woodworking machine unless they have
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been trained and instructed in its operation. They must either be competent or under the
direct supervision of someone who is.
2 Training should include instruction on all machines the person is likely to operate and the
types of work to be undertaken on the completion of training. Instruction on the provisions of
these Regulations and the methods of using guards, devices and appliances required by
these Regulations must be included. Training should emphasise the dangers connected with
the use of such machines.
3 Contractors will need to make sure that they do not employ young people in work situations
where:
(a) the work is beyond their physical or psychological capacity
(b) it involves harmful exposure to hazardous substances
(c) it involves a risk of accidents which the young person, by reason of a lack of
experience etc., would not recognise
(d) there is extreme heat, cold, noise or vibration.
1.4.7.9 Duties of employees
1 Employees using woodworking machines must use and keep properly adjusted all guards
and other safety devices, and use push sticks, spikes, push blocks, jigs, holders, backstops,
and any other safety devices provided.
2 They must report to responsible persons any defects in machinery, guards, devices or
appliances and any damage or defects in the surface or ground around the machine.
1.4.7.10 Occupational health Hearing protection
1 Woodworking machines can be particularly noisy when in use and the noise generated will
be a significant hazard to health unless adequately controlled.
2 Ideally, the level of noise will be controlled by means other than issuing personal protective
equipment (PPE), although in practice this will often not be possible on construction sites.
3 Where work activities are liable to expose employees to certain levels, Contractors to carry
out an assessment of the risk and implement the necessary control actions, which will often
translate into:
(a) identifying suitable hearing protection (PPE)
(b) issuing it to those persons who are at risk
(c) ensuring that it is worn in certain circumstances
(d) providing adequate information, instruction and training on the risk to health arising
from noise and the correct use of hearing protection.
4 There are three action levels at which particular actions should be taken;
(a) The lower exposure action value (80 dB(A)), at which an employee may request the
provision of hearing protection from the Contractor, should he or she so wish.
(b) The upper exposure action value (85 dB(A)) at which the Contractor is required to
provide hearing protection for employees and ensure that it is worn by all employees
who are at risk.
(c) The exposure limit value (87 dB(A)) above which no employee may be exposed.
5 In work areas where the noise is at or above the upper exposure action value, the Contractor
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is required to create hearing protection zones, designated by appropriate signs, within which
everyone must wear the hearing protection provided.
1.4.7.11 Vibration protection
1 Contractors are required to control the level of vibration experienced by employees whilst at
work.
2 In the context of using woodworking machines, the predominant problem is considered to be
hand-arm vibration. Whilst several manufacturers have produced 'anti-vibration' gloves,
laboratory testing has shown these to be largely ineffective against vibration at the most
damaging frequencies. In some circumstances, the fact that such gloves will keep the hands
warm may offer limited benefit against hand-arm vibration. The control of hand-arm vibration
will have to be achieved by other means.
1.4.7.12 Respiratory protection
1 Contractors must control substances hazardous to health and to control occupational health
risks arising out of the use of hazardous substances.
2 As noted earlier, hardwood dust is known to be a cause of nasal cancer. Ideally, airborne
dust will be controlled by the fitting of effective extraction systems or dust-collection bags to
woodworking machines and hand-held tools that generate either softwood or hardwood dust.
3 However, if for any reason the control of dust is not possible in this way, operators must be
provided with, and wear, suitable respiratory protective equipment.
1.4.7.13 Eye protection
1 Depending on the machine being used and the nature of the work being carried out, it may
be necessary for machine operators (and possibly anyone assisting them) to wear eye
protection, such as goggles or a full-face shield of a suitable impact-resistant grade.
1.4.7.14 Skin protection
1 It may be necessary to provide operatives with suitable gloves to protect against skin
damage whilst handling timber, particularly unplaned timber. Furthermore, the skin of a small
number of persons is adversely affected by the natural oils that occur in some woods,
notably cedar.
1.4.7.15 Working environment
1 Sufficient clear and unobstructed space must be provided around machines to allow persons
to work without the risk of injury.
2 Floors should be level, in good condition, free of loose material (wood chips, wood shavings
and sawdust) and must not be slippery.
3 Where woodworking machines are being used on site, the temperature of any indoor
workplace must be reasonable, having regard to the purpose for which the place is being
used.
4 Where a reasonable temperature cannot be achieved or maintained, effective means of
providing warmth for operatives should be introduced. If it is not a construction site, then a
temperature of 16°C should be maintained but, where work is of a physically demanding
nature, a temperature of 13°C is appropriate.
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5 Adequate natural or artificial lighting must be provided so that the work being carried out on
each machine can be done safely. Artificial light must be positioned or shaded to prevent any
glare affecting the operator.
1.4.7.16 Maintenance
1 Saw blades must not be cleaned while they are in motion or with the power supply to the
machine switched on.
2 All machines must be of good construction, manufactured with sound material and properly
maintained. Unless a machine is hand-held, it must be level, and fixed securely to a
substantial structure which ensures its stability.
1.4.7.17 Controls
1 Every machine must be fitted with start and stop controls which can be quickly and easily
operated by the machinist.
1.4.7.18 Braking
1 An essential safety feature of most woodworking machinery is the provision of an automatic
brake.
2 This is to ensure that, if there is a risk of an employee coming into contact with tooling during
the rundown period, the machine stops within 10 seconds or less, as defined by European
Committee for Standardization (CEN) standards.
1.4.7.19 Retrofitting of brakes
1 All work equipment should be provided with the necessary controls which bring the
equipment to a safe condition in a safe manner. To achieve this, a risk assessment should
be carried out to determine whether the rundown time should be reduced and the retrofitting
of brakes to a machine is necessary.
2 If the risk assessment shows that there would be no added safety benefit, then braking does
not have to be provided.
3 Examples include machines fitted with interlocking guards that enclose the cutters and
cannot be opened until the cutters have come to rest. Some machines might be totally
enclosed by a noise hood, but the same interlocking requirements will apply.
4 In these situations, the machine rundown time is immaterial since an acceptable standard of
safety has been achieved by guarding alone and subsequently there is no risk of contact in
the rundown period.
5 Another example is where the blade, tool or cutter returns automatically to a safe position,
such as a cross-cut saw fitted with a spring return which retracts the blade into a protective
housing at the end of the cutting operation. However, if a risk assessment shows that the
machine has a long rundown period and is in regular use by more than one person,
consideration should be given to fitting a brake. This is because the machine could still be
running down after use by one person when a second person pulls the saw carriage out of
the protective housing, unaware that the blade is still rotating.
6 As well as enhanced safety, braking can improve productivity since more rapid stopping will
allow quicker setting, adjustment and unjamming of a machine.
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1.4.7.20 Guarding cutters - general
1 'Cutters' include saw blades, chain cutters, knives, boring tools, detachable cutters and solid
cutters. Cutters must be guarded to the greatest practicable extent, having regard to the
work being done.
2 Guards must be of substantial construction, properly secured and adjusted, and maintained
constantly in position while cutters are in motion.
3 Adjustments must not be made to any guard whilst the cutters are in motion, unless safe
means (i.e. mechanical adjusters) are provided for those adjustments to be made.
4 The shape and size of guards may change as technology develops alternative safeguards, if
these are at least as effective as before.
5 Every dangerous part of any woodworking machine must be securely fenced, unless it is in
such a position or of such construction that it is as safe to every person on the site as it
would be if it were fenced.
1.4.7.21 Portable electrically-powered saws
1 Portable electrically-powered saws should always be disconnected from the electrical supply
before any adjustments, repairs, cleaning or any type of maintenance is carried out.
2 Whenever possible, to reduce the risk from electric shock, all portable electric tools should
operate from a 110 volt supply and be earthed or double insulated. The mains input to the
110 volt transformer should be protected by a residual current device (RCD), commonly
known as a 'power breaker'.
3 Portable electrically-powered saws must never be carried by their supply cable. Furthermore:
(a) when operating, the supply cable must always be kept clear of the saw blade
(b) the power plug must be examined each time, prior to use, for damage and security of
the cable
(c) all electrically-powered saws should be examined regularly by a competent electrician.
4 Care should be taken to ensure that the spring-loaded, lower blade guard returns to cover
the blade after every cut. This guard, also known as the swivel guard, is designed to uncover
the saw teeth when material is being cut then automatically covers the saw teeth when the
saw is withdrawn. This guard must never be wired in the open position.
1.4.7.22 Riving knife (also called splitter or spreader)
1 The riving knife must be securely fixed below the table level, be of the correct radius, behind
and in line with the saw blade.
2 It must be strong, rigid, smooth and easily adjustable.
3 The radius of the knife must not exceed the
radius of the largest saw blade for which the
machine has been designed.
4 It must be adjusted as close as practicable to the
saw blade. Any gap between the riving knife and
the blade must not exceed 8 mm at table level.
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5 In the case of a parallel plate saw blade, the knife must be thicker (usually about 10%) than
the parallel plate of the saw blade to form a wedge in the saw cut, thereby preventing the
timber 'ripping' the saw blade.
6 Where the diameter of the saw blade is less than 600 mm, the top of the knife should not be
more than 25 mm below the top of the blade.
7 Where the diameter of the blade is 600 mm or more, the knife must extend at least 225 mm
above the machine table.
1.4.7.23 Top guard (crown guard)
1 The guard must be strong and easily adjustable.
2 It must be adjusted to extend from the top of the riving knife to a point as close as practicable
to the surface of the material being cut; or to a point not more than 8 mm above the material
being cut where squared stock is being hand fed.
3 The guard should have flanges on either side of the blade and be adjusted so that these
extend beyond the roots of saw blade teeth. Where the guard has an adjustable front
extension piece, it must be flanged on the side remote from the fence, and adjusted to
extend beyond the roots of saw blade teeth above the saw table.
4 Note: Some saws have adjustable extensions to the front of the guard.
1.4.7.24 Bottom Guard
1 The part of the blade below the table must be guarded to the greatest extent practicable.
1.4.7.25 Size of saw blade
1 Saw benches with a one-speed spindle must not use a saw blade less than 60% of the
diameter of the largest saw blade which the bench is designed to use. In the case of saw
benches with more than one spindle speed, the blade must not be less than 60% of the
diameter of the largest blade which the machine is designed to use at the fastest spindle
speed.
2 A notice should be displayed on the machine specifying the smallest diameter saw blade that
may be used.
1.4.7.26 Limitations on use
1 No circular saw may be used for cutting
rebates, tenons, mouldings or grooves unless
the cutter above the table is effectively
guarded.
2 The saw blade teeth must project right
through the upper surface of the timber at all
times in any ripping operation.
3 A circular saw must not be used for crosscutting
logs unless the material is firmly held
by a gripping device, secured to a travelling
table.
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1.4.7.27 Push sticks
1 Push sticks must be available for use on every table-mounted circular saw, and used to:
(a) keep hands away from the saw blade
(b) feed material throughout any cut of 300 mm or less
(c) feed material during the last 300 mm of any cut more than 300 mm in length
(d) remove cut material from between the saw blade and the fence.
1.4.7.28 Removal of material
1 Assistants employed to 'take-off' cut material may only stand at the delivery end of the
machine.
2 Where this operation must be performed, the delivery end of the machine table must extend
(over its whole width) at least 1.2 m from the up-running part of the saw blade.
3 This requirement is not applicable to machines which have a roller table, or a travelling table,
or to portable machines with a maximum blade diameter of less than 450 mm.
1.4.7.29 Bench-mounted portable hand circular saws
1 Mounting a hand-held circular saw onto a support for use as a bench circular saw, requires:
(a) a suitable top guard, riving knife and ripping fence to be fitted
(b) that the fixed guards should be of adequate strength and construction to withstand
normal operational use
(c) the fitting of a suitable switch attachment to enable the operator to control the saw at
the bench.
2 Note: Some manufacturers have designed a saw bench complete with a top guard, riving
knife assembly and fence for use with their hand-held circular saws.
1.4.7.30 Narrow bandsaw
1 A narrow bandsaw is defined as a machine with a blade not exceeding 50 mm in width,
running vertically.
2 The saw wheels and the whole of the blade,
except the part which runs downward,
between the top wheel and the machine
table must be enclosed by guards.
3 The part of the blade between the top wheel
and the friction disc or roller must be
guarded by a front plate, as close as
practicable to the blade, and having a flange
at right angles to the plate extending behind
the saw blade.
4 The friction disc or rollers must be adjusted as close to the surface of the machine table as
practicable.
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1.4.7.31 Planing machines
1 (See illustration in Appendix 3)
1.4.7.32 Limitations on use
1 A planing machine must not be used for cutting any
rebate recess, tenon or mould unless the cutter is
effectively guarded.
2 If the machine is not mechanically fed and is used
for surfacing work, it must be fitted with a cylindrical
cutter block.
3 Table gap
4 If the planer is hand fed, the gap between the cutter
block and the front edge of the infeed or delivery
table must not exceed 6 mm, measured radially
from the centre of the cutter block.
1.4.7.33 Bridge guard
1 Planing machines not mechanically fed must have a bridge guard over the cutter block,
mounted approximately centrally and not liable to accidental displacement.
2 The guard must be strong, rigid and easily adjustable, vertically and horizontally, to allow
work to be carried out without the risk of injury.
3 The guard must cover the full length and diameter of the cutter block, be mounted centrally
over it and be securely fixed.
4 When 'flatting' squared stock:
(a) the gap between the end of the guard and the fence should not exceed 10 mm
(b) the gap between the upper surface of the wood and the underside of the guard should
not exceed 10 mm.
(c) When 'edging' (i.e. planing the narrow surface of a squared stock):
(d) the gap between the end of the guard and the surface of the wood should not exceed
10 mm
(e) the gap between the underside of the guard and the surface of the feed table should
not exceed 10 mm.
5 When 'flatting' and 'edging' are carried out successively, the clearances between the bridge
guard and the material for each operation must be no greater than 10 mm.
6 When the planing of adjacent surfaces of stock of square cross-section is carried out as
successive operations, the bridge guard must be adjusted so that the clearance between the
material and the guard, or the fence and the guard, never exceeds 10 mm.
7 Where the above adjustment of the bridge guard is not practicable because of the shortness
of the material, a suitable push block with handholds must be provided and used.
1.4.7.34 Cutter block guards
1 In addition to the bridge guard, hand-fed overhand planers must be provided with an
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effective, easily adjustable guard over the part of the cutter block which is behind the fence.
1.4.7.35 Combined machines used for thicknessing
1 The part of the cutter block exposed in the table gap must be effectively guarded.
1.4.7.36 General safety procedures
1 The following general procedures should be observed to ensure the safety of operators and
anyone else who may be affected by wood machining activities:
(a) knives, saws and cutters should be properly sharpened and correctly set
(b) circular saw blades should be checked for cracks, particularly near the gullet at the
root of the teeth. Defective items should not be used
(c) before a machine is started, a check should be made to see that the cutters, saws or
knives are of the correct type and are securely fixed; and that guards are properly
adjusted and secure
(d) the area around the machine should be cleared of waste material and there should be
sufficient space to stack work safely before and after machining
(e) the floor must be clean and free from oil, grease or anything else which might cause
the operator to slip or trip
(f) multi-speed machines must be started at their lowest speed
(g) guards should be set to give the minimum clearance necessary for the material being
worked. They must always be in position
(h) the operator should not wear loose clothing, and should wear goggles, masks or ear
protectors, if necessary
(i) workplaces should have adequate heating and be well lit
(j) adjustments must never be made to a machine while it is in motion, unless safe
provision is made to do so
(k) push sticks and jigs should be available and in use whenever necessary
(l) offcuts, chips and sawdust should not be removed from the machine table with the
hands while machine is in motion
(m) material should not be forced through the machine
(n) any fault should be promptly reported to responsible persons. If a fault develops, the
machine must be switched off immediately
(o) machines must be switched off when left, even for a short period. They should also be
switched off when the operator is speaking to somebody
(p) operators should never allow their attention to be distracted while operating a
machine, neither should anybody seek to distract them
(q) at the end of a work operation, the machine must be switched off and isolated.
1.4.7.37 Operational safety - circular saws
1 Low peripheral speeds result in inefficient cutting as do dull, badly set or badly ground saw
teeth. The extra effort applied to feed the wood increases the accident risk.
2 Deposits of sap, gum or resin on the blade tend to cause the saw to jam, or stall, or the
timber to stick. Such deposits must never be cleaned whilst the blade is moving or with the
power supply to the machine switched on. The saw should be stopped, electrically isolated
and the proper tool used.
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1.4.7.38 Chainsaws
1 Due to their high potential to cause injury, the use of chainsaws on building and construction
sites is not generally recommended.
2 Where chainsaws are used on site, they must be used only by operatives who are fully
competent, have received specific and nationally approved training, and who are certificated
to carry out the intended operation.
3 A specific risk assessment should be carried out for the operation and a written method
statement produced covering the operation, including the need for full personal protective
equipment, safe working at heights and, if necessary, a workplace safely away from other
workers,
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Construction Site Safety
1.4.7 Appendix 1
Safety checklist - general
Operatives
7 Is a list kept of operatives who are authorised and competent to operate woodworking
machines?
8 Are operators only required to operate machines on which they have been trained and are
competent?
9 Are operatives properly supervised, particularly those under 18?
10 Is adequate training given on the types of machine to be used and the kinds of work to be
done?
11 Are operatives provided with all necessary personal protective equipment, including goggles,
ear protectors, face masks and other protective equipment, where required?
12 Is the wearing of loose-fitting clothing prohibited at those machines where entanglement
could be a problem?
Machines and surrounding area
13 Is a programme of planned preventative maintenance in place for all woodworking
machines?
14 Are the start and stop controls so situated that they can be easily reached and operated?
15 Are all cutters guarded to the greatest extent practicable?
16 Are all machines level and securely fixed to ensure their stability?
17 Are all machines of sound construction and properly maintained?
18 Is sufficient space provided around a machine for safe working?
19 Are floors level, in good repair, free of loose material and not slippery?
20 Is adequate natural or artificial light provided in the workplace without glare being caused?
21 Is the temperature of the workplace satisfactory?
22 Is respiratory protection required?
23 Are noise levels reduced as far as practicable?
24 Is ear protection available where required?
25 Is eye protection required?
26 Is skin protection required?
27 Is extraction equipment provided for chips and particles as is required on specified
machines?
28 Has provision for the extraction of fumes been made where necessary?
29 Are fire extinguishers of the correct type immediately available?
30 Are suitable personnel fully trained in the use of fire-fighting equipment?
31 Do machines, as far as possible, run off a 110 volt supply with mains-powered equipment
protected by a residual current device (RCD)?
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Construction Site Safety
1.4.7 Appendix 2
Safety checklist
Riving knife
1 Is the riving knife secure, in a sound
condition, and easily adjustable?
2 Is the radius correct and in line with the saw blade?
3 Is the gap between the riving knife and the saw blade correct?
4 Is the riving knife of the correct thickness?
5 Is the height of the riving knife correct for the saw blade fitted?
Saw blade
6 Is the saw blade in good condition -sharp with no cracks, and not less than the smallest
diameter permitted?
7 Is a notice fixed to machines, specifying the smallest permitted blade diameter?
8 Does the saw blade project through the upper surface of the timber when ripping?
9 Is the saw blade above the table effectively guarded, when the machine is rebating,
tenoning, moulding or grooving?
Fence
10 Is the fence correctly adjusted and secured?
Top guard
11 Is the top guard sound and easily adjustable?
12 Is it adjusted correctly for the work being done?
13 Do the flanges at either side of the blade extend below the roots of the saw teeth?
Front extension guard
14 Is the front extension guard adjusted to give maximum protection, and does it cover the saw
teeth?
Bottom guard
15 Is the blade guarded below the table (open frame machines)?
Feeding work
16 Is a gripping device in use when cross-cutting?
17 Is there a push stick or are push blocks available and in use?
Circular Saw
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Taking off
18 Does the delivery table extend at least 1.2 m from the up-running part of the saw blade?
19 Is the assistant, if present, correctly positioned?
Construction Site Safety
1.4.7 Appendix 3
Safety checklist
Table
1 Is the gap between the table and the cutter not more than 6 mm?
2 Is the table gap as small as possible?
Bridge guard
3 Is the bridge guard rigid, strong, securely fixed and easily adjustable?
4 Is the bridge guard centrally mounted over the cutter block?
5 Does the bridge guard cover the full length and diameter of the cutter block?
6 Is the bridge guard adjusted to exclude the risk of injury, as far as is practicable?
Cutter block
7 Is the cutter block guarded, on the side of the fence, remote from the bridge guard?
Limitations on use
8 Is the cutter effectively guarded when rebating, recessing, tenoning and moulding are taking
place?
9 Is the machine fitted with a cylindrical cutter block if it is being used for surfacing?
10 Is the bridge guard correctly adjusted when 'flatting' or 'edging' is taking place?
11 Are push sticks available and in use?
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Combined machine used for thicknessing
12 Is the cutter block exposed in the table gap effectively guarded?
13 When thicknessing, is an anti-kickback device fitted, or notice displayed specifying one piece
only?
14 Is an extraction system provided to remove and collect any wood chips?
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Construction Site Safety
1.4.7 Appendix 4
Safety checklist
15 Are saw wheels and saw blades guarded correctly?
16 Is the saw blade between the top wheel and disc or roller guarded by a frontal plate as
closely as possible, and does the flange extend behind the saw blade?
17 Are rollers or discs correctly adjusted?
18 Is the saw blade tension correct?
19 Is the saw blade in good condition and sharp?
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1.4.7 Appendix 5
Safety checklist
Operative
1 Is the operative suitably trained in the correct use of the machine?
2 Does the operative understand that there should be no loose clothing, ties or scarves, etc.?
3 Is the operative aware of the relevant Regulations?
Prior to use
Ensure the electrical power plug is removed from the supply socket before carrying out priorto-
use checks.
4 Are the machine and plug compatible with the electrical supply?
5 Are all leads, plugs and switches undamaged?
6 Does the on/off trigger and safety interlock operate freely?
7 Is the correct type of saw blade fitted for the work which is to be carried out?
8 Is the saw blade in good condition, sharp and not cracked?
9 Is the saw blade effectively guarded, above and below the soleplate?
10 Is the condition and the function of the spring-loaded bottom guard checked before use?
11 Does the spring-loaded bottom guard return to cover the saw blade after every cut?
12 Is the saw blade securely fitted to rotate in the correct direction? (Teeth should point
upwards at the front end of the saw towards the soleplate.)
13 Has the fence (if used) been adjusted to the correct dimension?
14 Has the saw been adjusted to the correct depth and angle before use, with the teeth
projecting just through the underside of the material?
15 Are all locking nuts and securing devices properly tightened and fastened?
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In use
16 Is the saw being held correctly with two hands using the main and front hand grips?
17 Is the material being cut adequately supported?
18 Is the fence or a straight edge being used as a guide as necessary?
19 Has a check been made to ensure that the clamps do not impede any movements of the
saw?
20 Is there sufficient free cable on the saw?
21 Is the correct stance being taken behind and in line with the saw?
22 Is the work area clear and free of obstructions?
23 Is the correct protective equipment in use?
24 Do all other personnel on site know that the operator must not be distracted whilst he or she
is operating a saw?
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Construction Site Safety
1.4.7 Appendix 6
Safety checklist
Operative
1 Is the operative competent, adequately and properly trained and supervised?
2 Is the operative familiar with the type of machine they are using and with the manufacturer's
operating instructions?
3 Is the correct personal protective equipment being worn?
4 Is the operative aware that whilst using a chainsaw there must be no loose clothing, ties,
belts, etc.?
Prior to use
5 Is the ignition switched off?
6 Are new chains soaked in oil prior to use?
7 Is the chain sharp and in good condition?
8 Is the guide bar excessively worn? If so, it should be changed.
9 Does the chain brake function correctly?
10 Is the tension of the chain correct?
11 Is the lubrication reservoir functioning?
12 Are all handles and guards firm and secure?
13 Are all switches and controls effective?
14 Are wood or plastic wedges available to free the saw if it jams?
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In use
15 Is the correct starting procedure (i.e. on the ground) undertaken?
16 Is the stance of the operator correct?
17 Does the operator keep both hands on the machine when it is in use?
18 Is there a safe system of work in place for cutting, avoiding kickback?
19 Is the chainsaw correctly adjusted so that the chain does not rotate when the engine is idling
with the chain brake released?
20 Is the operator aware that the nose of the guide bar should not be used to cut?
21 Are all bystanders kept well clear of any cutting operations?
22 Do all other personnel on site know that the operator must not be distracted whilst he or she
is operating a saw?
23 Is the work area kept clear and free from obstruction?
After use
24 Are all parts checked for damage and soundness?
25 Are the cutting components protected from damage?
26 Are any defects found reported to the supervisor?
27 Is the chainsaw stored safely?
Refueling
28 Is the correct type and grade of fuel used, from a properly marked, leak-proof, securely
capped container?
29 Is all refueling carried out in a well-ventilated area outdoors?
30 Is there any leakage of fuel or spillage during refueling?
31 Are fuel and lubrication systems leak-free and functioning correctly?
32 Are fuel and lubrication system fluid levels correct?
33 Has clothing (which may have been contaminated during refueling) been changed prior to
the saw being operated?
34 Is any spilt fuel removed from the saw or work area prior to saw operation?
35 Is the saw always started at least 3 metres away from the refueling area?
36 Is care taken to ensure that refueling is never carried out near to fires, sparks or other
sources of ignition?
Transportation
37 Is the chainsaw switched off when being transported, even if it is only a few paces?
38 Is the chainsaw always carried by the front handle?
39 Is the chainsaw always carried with the engine muffler away from the body, to prevent
burns?
40 Has the chain guard (scabbard) been fitted?
41 If the chainsaw is being transported in a vehicle, has it been secured to prevent overturning
and damage?
END OF DOCUMENT