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Medium-Rise (Type-A) Business Occupancy -
MEANS OF EGRESS


Height: > 15m to < 18m

Area: > 500 sqm to < 1,000 sqm

GENERAL OFFICES / CITY/MUNICIPAL HALLS / COURTHOUSES / DOCTORS/DENTISTS OFFICES / MEETING ROOMS [<50 SEATING CAPACITY] / BARBER SHOPS/SALONS / SERVICE FACILITIES (NEWS-STAND, LUNCH COUNTERS) <50 PERSONS / CLASSROOM/INSTRUCTIONAL LABORATORIES <50 SEATING CAPACITY / BIRTH CENTERS/AMBULATORY OUT-PATIENT CLINICS <4 PATIENTS

IV MEANS OF EGRESS MEDIUM-RISE OFFICES TYPE-A
  FIRE SAFETY PROVISIONS MINIMUM REQUIREMENTS  
A MEANS OF EGRESS GENERAL REQUIREMENTS    
1 SEPARATION OF MEANS OF EGRESS COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
EXIT ACCESS CORRIDORS SERVING AN AREA HAVING AN OCCUPANT LOAD EXCEEDING 30 1-HR FRR*
EXITS CONNECTS 3 OR FEWER STORIES 1-HR FRR*
CONNECTS 4 OR MORE STORIES 2-HRS FRR*
OPENING PROTECTIVE FIRE DOOR ASSEMBLIES EQUIPPED WITH DOOR CLOSERS REQUIRED
CONSTRUCTION LIMITED OR NON-COMBUSTIBLE MATERIALS REQUIRED
OPENINGS AND PENETRATIONS IN EXIT ENCLOSURE COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
2 EXITS HEADROOM NOT LESS THAN 2285MM REQUIRED
HEADROOM ON STAIRS NOT LESS TAHN 2285MM REQUIRED
3 WALKING SURFACES IN THE MEANS OF EGRESS COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
4 CHANGES IN LEVEL IN THE MEANS OF EGRESS COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
5 GUARDS PROVIDED AT THE OPEN SIDES OF MEANS OF EGRESS 760MM ABOVE THE FLOOR OR FINISHED GROUND LEVEL REQUIRED
6 IMPEDIMENT TO EGRESS   NOT PERMITTED
7 MEANS OF EGRESS RELIABILITY CONTINUOUSLY MAINTAINED FREE OF ALL OBSTRUCTION OR IMPEDIMENTS REQUIRED
FURNISHING AND DECORATION FURNITURES, MOVABLE OBJECTS, MIRRORS, ETC. NOT PERMITTED
B MEANS OF EGRESS COMPONENTS    
1 FIRE DOORS COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
SIDE-HINGE OR PIVOTED-SWINGING TYPE ANY DOOR ASSEMBLY IN A MEANS OF EGRESS REQUIRED
MINIMUM DOOR LEAF WIDTH 810MM
HORIZONTAL SLIDING DOORS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
VERTICAL ROLLING DOORS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
REVOLVING DOORS / POWERED DOORS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
SELF-CLOSING DEVICES IN ALL DOORS REQUIRED TO BE NORMALLY KEPT CLOSED REQUIRED
2 STAIRS COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
STANDARD STAIRS FEWER THAN 50 PERSON (CLEAR WIDTH) 915MM
<2000 PERSON (CLEAR WIDTH) 1120MM
>2000 PERSON (CLEAR WIDTH) 1420MM
SPRIRAL STAIRS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
CURVE STAIRS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
WINDERS COMPLYING WITH CHAPTER 7 NFPA 101 NOT PERMITTED
GUARDS AND HANDRAILS COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
ENCLOSURE AND PROTECTION OF STAIRS COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
ENCLOSURES ALL INSIDE STAIR SERVING AS AN EXIT COMPONENT REQUIRED
DOORS FPR* < 3 STOREYS / > 3 STOREYS 1-HR FPR** / 1.5-HR FPR**
ENCLOSURES FRR* < 3 STOREYS / > 3 STOREYS 1-HR FRR** / 2-HRS FRR*
ENCLOSURE EXEMPTION PENETRATING ONE FLOOR LEVEL OR SERVING MEZZANINE ONLY PERMITTED
EXPOSURES WALLS AND OPENINGS WITHIN 3050MM HORIZONTALLY OF AN EXTERIOR STAIRWAY ENCLOSURE 1-HR FRR*
USABLE SPACE WITHIN EXIT ENCLOSURE NOT PERMITTED
LOCATION UNDER STAIRS IN ACCORDANCE WITH NFPA 101 PERMITTED
STAIRWAY IDENTIFICATION SERVING 3 OR MORE STOREYS REQUIRED
EXIT STAIR PATH MARKINGS ALL STAIR COMPONENTS REQUIRED
PERIMETER DEMARCATION MARKING COMPLYING WITH NFPA 101 REQUIRED
LOCK, LATCHES & ALARM DEVICES COMPLYING WITH NFPA 101 PERMITTED
RE-ENTRY PROVISIONS LOCKED STAIRS EXCEEDING 4 STOREYS REQUIRED
3 RAMPS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
AS SECONDARY EXIT FOR ONE (1) BASEMENT LEVEL PERMITTED
4 ROOF ACCESS BUILDING EQUAL OR MORE THAN 4 STOREYS (G+3) OR ROOFS 12M ABOVE GRADE PLANE REQUIRED
WHERE OPEN STAIR/S ARE PERMITTED AND PROVIDED IN LOW-RISE BUSINESS OCCUPANCY NOT APPLICABLE
ONE AT EACH 9300 SQM ROOF AREA OR FLAT ROOFS OR ROOF PITCH <3 IN 12 REQUIRED
ROOF ACCESS COMPONENTS SMOKE VENTS (FIXED WALL OPENING/S) AT THE TOP OF THE STAIRWELL WITH A MINIMUM AREA OF 1.5 SQM NOT APPLICABLE
STAIR ACCESS TO ROOF EQUIPPED WITH OPERABLE DOORS REQUIRED
5 SMOKE PROOF ENCLOSURES FRR* (FIRE RESISTANCE RATING)  
STAIR ENCLOSURES ALL INSIDE STAIRS SERVING AS AN EXIT COMPONENT REQUIRED
OPEN STAIR PENETRATING ONE (1) FLOOR / LEVEL ONLY PERMITTED
FIRE FIGHTING LOBBY (F/F LOBBY) IN EVERY FIRE LIFT PROVISIONS AT EVERY FLOOR LEVEL SERVED REQUIRED IN EVERY FIRE LIFT PROVISIONS
ADJACENT AND ACCESIBLE TO AN EXIT STAIRCASE
SERVES AS A COMMON LOBBY FOR BOTH FIRE LIFT AND THE ADJACENT EXIT STAIRCASE
6 SQM MINIMUM AREA / WORKING SPACE (LEAST SIDE DIMENSION 2.0M)
PROVISIONS AT THE LEVEL OF EXIT DISCHARGE NOT REQUIRED IF EXITS COMPLIES WITH EXIT DISCHARGE REQ'TS
SMOKE-STOP LOBBY (S/S LOBBY) HIGH-RISE BUILDINGS WITH HABITABLE HEIGHT HIGHER THAN 28 METERS NOT APPLICABLE
BASEMENT LEVEL/S EXCEED 9.0 M DEPTH REQUIRED ON ALL FLOOR LEVELS
EXCEEDS FIVE (5) STORIES INCLUDING BASEMENT/S AND BELONGS TO AN ASSEMBLY OCCUPANCY REGARDLESS OF THE HABITABLE HEIGHT. NOT APPLICABLE
3 SQM MIN. AREA (LEAST SIDE DIMENSION 1.8M) NOT APPLICABLE
PROVISIONS AT THE LEVEL OF EXIT DISCHARGE NOT APPLICABLE
  F/F LOBBY DOORS & WALL ENCLOSURES 1.5-HR FPR** FIRE PROTECTION RATING/ FRR* 2-HRS FIRE RESISTANCE RATING NOT APPLICABLE
6 HORIZONTAL EXITS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
7 EXIT PASSAGEWAYS ENCLOSURE AND SEPARATION FIRE RESISTANCE RATING COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
MIN. WIDTH NOT LESS THAN 2/3 OF THE WIDTH OF THE EXIT STAIR
8 ESCALATORS & MOVING WALKS AS PART OF THE REQUIRED MEANS OF EGRESS NOT PERMITTED
9 FIRE ESCAPE STAIRS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
10 FIRE ESCAPE LADDERS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
11 SLIDE ESCAPES COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
12 ALTERNATING TREAD DEVICES COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
13 AREAS OF REFUGE COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
14 ELEVATORS AS PART OF THE REQUIRED MEANS OF EGRESS NOT PERMITTED
AS SECOND MEANS OF EGRESS FROM A TOWER AND COMPLYING WITH ASME A17.1/CSA B44 NOT APPLICABLE
ELEVATOR DOORS OPENING INTO EXIT ENCLOSURES NOT PERMITTED
C CAPACITY OF MEANS OF EGRESS  
1 OCCUPANT LOAD NFPA 101 TABLE 7.3.1.2 OCCUPANT LOAD FACTOR 9.3 SQM / PERSON
2 EGRESS CAPACITY NFPA 101 TABLE 7.3.3.1 CAPACITY FACTORS REQUIRED
D NUMBER OF EXITS COMPLYING WITH NFPA 101 CHAPTER 7  
1 SINGLE EXIT IN MEZZANINES WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT PERMITTED
IN ANY SECTION WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT
SINGLE TENANT SPACE OR BUILDING WITH 2 OR FEWER STORIES IN HEIGHT PERMITTED COMPLYING WITH ALL SINGLE EXIT CONDITIONS*
IN ANY LEVEL OR STOREY PERMITTED COMPLYING WITH ALL SINGLE EXIT CONDITIONS*

CONDITIONS * PERMITTING SINGLE EXIT PROVISIONS

(REQUIRES COMPLIANCE TO ALL STATED CONDITIONS)

 1 OCCUPANT LOAD NOT EXCEEDING 50 OCCUPANTS PER FLOOR REQUIRED
2 TRAVEL DISTANCE FROM THE MOST REEMOTE AREA TO THE NEAREST EXIT ENCLOSURE DOES NOT EXCEED 23M.
3 EXIT STAIRS ARE FULLY ENCLOSED
4 EXIT DISCHARGE DIRECT TO BUILDING INTERNAL
2 NOT LESS THAN 2 SEPARATE EXITS 50 - 500 OCCUPANTS REQUIRED
ON EVERY STORY AND ACCESIBLE FROM EVERY PART OF EVERY STORY REQUIRED
3 NOT LESS THAN THREE (3) SEPARATE EXITS EQUAL OR MORE THAN 500 OCCUPANTS REQUIRED
4 NOT LESS THAN FOUR (4) SEPARATE EXITS EQUAL OR MORE THAN 1000 OCCUPANTS REQUIRED
E ARRANGEMENT OF EXITS NS*-NOT SPRINKLERED / S**-SPRINKLERED NS* S**
1 TRAVEL DISTANCE NFPA 101 TABLE A.7.6 61M 91M
2 COMMON PATH LIMIT NFPA 101 TABLE A.7.6 23M 30M
3 DEAD-END CORRIDOR NFPA 101 TABLE A.7.6 6.1M 15M
4 EXIT DISCHARGE    
  EXTERIOR DISCHARGE (DIRECT TO BUILDING EXTERNAL) COMPLYING WITH NFPA 101 REQUIRED
  THROUGH AREAS ON LEVEL OF EXIT DISCHARGE (INTERNAL DISCHARGE) MAXIMUM 10M TRAVEL DISTANCE TO BUILDING EXTERNAL PERMITTED
50% OF THE REQUIRED NUMBER OF EXITS & 50% OF THE REQUIRED EXIT CAPACITY IN BUILDINGS PROTECTED THROUGHOUT WITH SPRINKLER SYSTEM. PERMITTED
5 EXTERIOR WAYS OF EXIT COMPLYING WITH NFPA 101 PERMITTED
6 ACCESIBLE MEANS OF EGRESS EXIT PROVISIONS FOR PEOPLE WITH SEVERE MOBILITY IMPAIRMENT NOT LESS THAN 2 EXITS REQUIRED
7 ILLUMINATION OF MEANS OF EGRESS COMPLYING WITH CHAPTER 7 NFPA 101 REQUIRED
8 EMERGENCY LIGHTING THE BUILDING IS THREE (3) OR MORE STORIES IN HEIGHT; WITH 50 OR MORE OCCUPANTS ABOVE OR BELOW THE LEVEL OF EXIT DISCHARGE REQUIRED
WITH 300 OR MORE TOTAL OCCUPANTS
9 MARKINGS OF MEANS OF EGRESS COMPLYING WITH CHAPTER 7 NFPA 101
F SPECIAL MEANS OF EGRESS PROVISIONS    
1 FIREMEN ACCESS PANELS HABITABLE HEIGHT EXCEEDING 10M REQUIRED
2 REFUGE FLOORS HIGH-RISE BUILDING EXCEEDING 30 STORIES NOT APPLICABLE
3 ELEVATORS FOR OCCUPANT CONTROLLED EVACUATION PRIOR TO PHASE 1 EMERGENCY RECALL OPERATIONS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
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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