IV | MEANS OF EGRESS | TYPE-A MERCANTILE |
|
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 |
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 |
1120MM |
>2000 PERSON (CLEAR WIDTH) |
1420MM |
SPIRAL 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 INTERIOR STAIRS 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 TYPE B AND TYPE C MERCANTILE OCCUPANCY |
NOT REQUIRED |
ONE AT EACH 9300 SQM ROOF AREA OR FLAT ROOFS OR ROOF PITCHREQUIRED |
ROOF ACCESS COMPONENTS |
SMOKE VENTS (FIXED WALL OPENING/S) AT THE TOP OF THE STAIRWELL WITH A MINIMUM AREA OF 1.5 SQM |
PERMITTED UP TO 18M HABITABLE HEIGHT |
STAIR ACCESS TO ROOF PROVIDED WITH OPERABLE DOORS |
REQUIRED |
5 |
SMOKE PROOF ENCLOSURES |
FRR - FIRE RESISTANCE RATING / FRP - FIRE PROTECTION RATING |
|
STAIR ENCLOSURES |
ALL INTERIOR 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 |
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 (2.0M LEAST SIDE DIMENSIONS) |
PROVISIONS AT THE LEVEL OF EXIT DISCHARGE |
NOT REQUIRED |
SMOKE-STOP LOBBY (S/S LOBBY) |
HIGH-RISE BUILDINGS WITH HABITABLE HEIGHT HIGHER THAN 28 METERS |
REQUIRED |
BASEMENT LEVEL/S EXCEED 9.0 M DEPTH |
REQUIRED ON ALL FLOOR LEVELS |
BUILDING TRAVERSES MORE THAN FIVE (5) FLOOR LEVELS INCLUDING BASEMENT/S AND BELONGS TO A PLACE OF PUBLIC RESORT REGARDLESS OF THE HABITABLE HEIGHT. |
NOT APPLICABLE |
3 SQM MIN. AREA (LEAST SIDE DIMENSION 1.8M) |
REQUIRED |
PROVISIONS AT THE LEVEL OF EXIT DISCHARGE |
NR - IF EXITS COMPLIES WITH EXIT DISCHARGE REQUIREMENTS |
|
S/S & F/F LOBBY DOORS & WALL ENCLOSURES |
1.5-HR FPR** FIRE PROTECTION RATING/ FRR* 2-HRS FIRE RESISTANCE RATING |
REQUIRED |
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 |
REQUIRED |
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 |
NOT PERMITTED |
11 |
SLIDE ESCAPES |
COMPLYING WITH CHAPTER 7 NFPA 101 |
PERMITTED |
12 |
ALTERNATING TREAD DEVICES |
COMPLYING WITH CHAPTER 7 NFPA 101 |
NOT 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 |
PERMITTED |
ELEVATOR DOORS |
OPENING INTO EXIT ENCLOSURES |
NOT PERMITTED |
C |
CAPACITY OF MEANS OF EGRESS |
|
1 |
OCCUPANT LOAD |
SALES AREA ON STREET FLOOR |
2.8 SQM / PERSON |
SALES AREA ON 2 OR MORE STREET FLOORS |
3.7 SQM / PERSON |
SALES AREA ON FLOOR BELOW STREET FLOOR |
2.8 SQM / PERSON |
SALES AREA ON FLOORS ABOVE STREET FLOORS |
5.6 SQM / PERSON |
FLOORS OR PORTIONS OF FLOORS USED ONLY FOR STORAGE, RECEIVING AND SHIPPING AND NOT OPEN TO GENERAL PUBLIC. |
27.9 SQM / PERSON |
2 |
EGRESS CAPACITY |
NFPA 101 TABLE 7.3.3.1 CAPACITY FACTORS |
REQUIRED |
STREET FLOOR EXITS |
SIZE: STREET FLOOR PLUS THE REQ'D CAPACITY OF ALL STAIRS & RAMPS DISCHARGING ONTO THE STREET FLOOR |
REQUIRED |
|
AISLES (LEADING DIRECTLY TO EXIT) |
WIDTH > REQUIRED WIDTH OF EXIT |
REQUIRED |
CLEAR WIDTH 915 MM |
REQUIRED |
NOT LESS THAN 1 WITH 1525 MM WIDTH |
REQUIRED |
CARTS & BUGGIES |
ADEQUATE PROVISION FOR TRANSIT & PARKING |
REQUIRED |
D |
NUMBER OF EXITS |
|
|
1 |
SINGLE EXIT |
IN MEZZANINES WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT |
PERMITTED |
IN ANY SECTION WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT |
NOT PERMITTED |
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 |
46M |
76M |
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 (SPRINKLER PROTECTED) |
PERMITTED |
5 |
EXTERIOR WAYS OF EXIT |
COMPLYING WITH NFPA 101 |
PERMITTED |
6 |
ACCESIBLE MEANS OF EGRESS |
EXIT PROVISIONS FOR PEOPLE WITH SEVERE MOBILITY IMPAIRMENT |
REQUIRED |
NOT LESS THAN 2 EXITS |
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 |
REQUIRED |
THE OCCUPANCY IS SUBJECT TO 50 OR MORE OCCUPANTS ABOVE OR BELOW THE LEVEL OF EXIT DISCHARGE |
REQUIRED |
THE OCCUPANCY IS SUBJECT TO 300 OR MORE TOTAL OCCUPANTS |
REQUIRED |
9 |
MARKINGS OF MEANS OF EGRESS |
COMPLYING WITH CHAPTER 7 NFPA 101 |
REQUIRED |
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 REQUIRED |
3 |
ELEVATORS FOR OCCUPANT CONTROLLED EVACUATION PRIOR TO PHASE 1 EMERGENCY RECALL OPERATIONS |
COMPLYING WITH CHAPTER 7 NFPA 101 |
PERMITTED |