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PORTA CABINS IN CONSTRUCTION SITES

I APPLICATIONS A BUILDING OR GROUP OF BUILDINGS REQUIRED IN CONNECTION WITH ANY BUILDING WORKS RELATING TO PERMANENT BUILDINGS DESIGNED TO BE EASILY MOVED FROM LOCATION TO LOCATION THAT MAY BE BROUGHT ON TO SITE OR CONSTRUCTED FOR DEFINED PERIOD OF USE PRIOR TO REMOVAL
II OCCUPANCY CLASSIFICATION** BUILDING HEIGHT REQUIREMENTS BUILDING AREA REQUIREMENTS
A PORTA CABINS < 7.5M (2-STOREYS) 35 SQM / UNIT

 

  FIRE SAFETY PROVISIONS MINIMUM REQUIREMENTS PORTA CABINS
III SITE ACCESS    
A SITE ACCESS & ACCESS ROAD CLEAR WIDTH 4.0M
IV BUILDINGS SETBACKS    
A DISTANCE FROM LOT BOUNDARY 3.0 METERS REQUIRED
B FIRE BREAKS FROM EACH UNIT/STRUCTURES 4.0 METERS REQUIRED
C DISTANCE FROM ANY COOKING FACILITIES 5.0 METERS REQUIRED
  DISTANCE WITHIN 5M 1-HR FRP ENCLOSURE REQUIRED
V MEANS OF EGRESS (FRR* FIRE RESISTANCE RATING / FPR** FIRE PROTECTION RATING
A COMPONENTS AND CAPACITY OF MEANS OF EGRESS    
1 SWING-TYPE DOORS MINIMUM CLEAR WIDTH (<5 PERSONS) 750 MM
2 STAIRS DOORS FRP (FIRE RESISTANCE PERIOD) NOT REQUIRED
WALL ENCLOSURES FRP NOT REQUIRED
STANDARD STAIRS MINIMUM CLEAR WIDTH 1000 MM
SPIRAL STAIRS COMPLYING WITH NFPA 101 PERMITTED
3 CORRIDORS MIN. CLEAR WIDTH INTERNAL CORRIDORS 1500 MM
MIN. CLEAR WIDTH OPEN-SIDED CORRIDORS 1000 MM
4 FIREMEN ACCESS PANEL OPENABLE WINDOWS (0.53 SQM) 510MM X 610MM
B NUMBER OF EXITS    
  SINGLE EXIT DOOR AS MAIN EXIT/S REQUIRED
WINDOW AS SECONDARY EXIT REQUIRED
  2 EXITS STAIR/S AS MAIN EXIT/S REQUIRED
C CAPACITY OF MEANS OF EGRESS    
1 OCCUPANT LOAD FACTOR   3 SQM / PERSON
D ARRANGEMENT OF EXITS    
1 TRAVEL DISTANCE ESCAPE ROUTE VIA OPEN-SIDED CORRIDORS 9 M
ESCAPE ROUTE VIA INTERNAL CORRIDORS NO REQUIREMENT
2 COMMON PATH LIMIT ESCAPE ROUTE VIA OPEN-SIDED CORRIDORS 9 M
ESCAPE ROUTE VIA INTERNAL CORRIDORS NO REQUIREMENT
3 DEAD END CORRIDOR   NOT PERMITTED
4 EXIT DISCHARGE DIRECT EXIT DISCHARGE TO BUILDING EXTERNAL REQUIRED
E ILLUMINATION OF EXITS AND MARKINGS OF THE MEANS OF EGRESS    
1 EXIT LIGHTS EXITS, EXIT ACCESS & EXIT DISCHARGE REQUIRED
2 EXITS SIGNS EXIT ACCESS, EXIT DISCHARGE & EXITS OTHER THAN MAIN EXTERIOR EXIT DOORS REQUIRED
VI BUILDING CONSTRUCTION   PORTA-CABINS
A CONSTRUCTION    
1 NON-COMBUSTIBLE OR STEEL MATERIALS   REQUIRED
2 TIMBER MATERIALS EXTERIOR BEARING MATERIALS 1-HR FRR*
FRAMING, COLUMNS, BEAMS, GIRDERS, TRUSSES 1-HR FRR*
FLOOR CONSTRUCTION 1-HR FRR*
3 BASE SUPPORT ERECTED ON HARDBASE (CONCRETE) REQUIRED
B COMPARTMENTATION    
1 WALLS BETWEEN EACH COMPARTMENT 20M MAX LENGTH OF EACH COMPARTMENT NOT REQUIRED
2 WALLS BETWEEN UNITS WITHIN EACH COMPARTMENT NOT REQUIRED
3 EXIT ACCESS CORRIDORS INTERNAL CORRIDORS 1/2-HR FRR*
OPEN-SIDED CORRIDORS NOT REQUIRED
FIRE DOORS (INTERNAL CORRIDORS) NOT REQUIRED
VII FIRE PROTECTION    
A DETECTION ALARM AND COMMUNICATION SYSTEMS    
1 FIRE ALARM SYSTEM STAND ALONE DETECTORS (SMOKE ALARMS WIRED AND/OR BATTERY OPERATED) PERMITTED
MANUAL CALL POINT REQUIRED
B EXTINGUISHING REQUIREMENTS    
1 PORTABLE FIRE EXTINGUISHERS AT ENTRANCE IN EVERY UNIT REQUIRED
NEXT TO EVERY STAIRCASE AT EACH FLOOR REQUIRED
2 FIRE HOSE REELS 25 MM DIAMETER HOSE NOT REQUIRED
3 FIRE HYDRANTS TEMPORARY BUILDINGS >100M AWAY FROM PUBLIC ROAD NOT REQUIRED
C AIR-CONDITIONING & MECHANICAL VENTILATION    
1 ALL HABITABLE ROOMS NATURAL OR MECHANICAL VENTILATION REQUIRED
OPENINGS FOR AIR-CIRCULATION REQUIRED
Notes:
*This Fire Safety Guide is prepared to determine the minimum required Fire Safety provisions for each Occupancy Type as referenced from General Directorate of Civil Defence (GDCD) adopted National Fire Protection Association (NFPA) Codes & Standards.
For further guidance, the user is referred to the NFPA Codes and Standards and the General Fire Safety Requirements - Guidelines Annexes.
** Occupancy Classification: Unless both the height and area requirements or criteria are met, the next higher classification or category SHALL apply.
FRR*-FIRE RESISTANCE RATING, FPR**-FIRE PROTECTION RATING, ASS-AUTOMATIC SPRINKLER SYSTEM / AUTOMATIC SUPPRESSION SYSTEM, SS-SMOKE-STOP LOBBY, FF-FIRE FIGHTING LOBBY, NP-NOT PERMITTED, N/A-NOT APPLICABLE, R-REQUIRED, NR-NOT REQUIRED
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