| IV | MEANS OF EGRESS (FRR* FIRE RESISTANCE RATING / FPR** FIRE PROTECTION RATING) | GENERAL INDUSTRIAL BUILDINGS | ||||||
|---|---|---|---|---|---|---|---|---|
| A | 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 | ||||||
| HEADROOM IN INDUSTRIAL EQUIPMENT ACCESS | AS PROVIDED IN CHAPTER 40 NFPA 101 | PERMITTED | ||||||
| 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 | OCCUPANT LOAD OF FEWER THAN 10 | PERMITTED | ||||||
| VERTICAL ROLLING DOORS | OCCUPANT LOAD OF FEWER THAN 10 | PERMITTED | ||||||
| REVOLVING DOOR / 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 | |||||
| NON-COMBUSTIBLE GRATED STAIR TREADS AND LANDINGS | PERMITTED | |||||||
| STANDARD STAIRS | FEWER THAN 50 PERSON | 915MM (CLEAR WIDTH) | ||||||
| <2000 PERSON | 1120MM (CLEAR WIDTH) | |||||||
| ≥2000 PERSON | 1420MM (CLEAR WIDTH) | |||||||
| SPIRAL STAIRS | COMPLYING WITH CHAPTER 7 NFPA 101 | PERMITTED | ||||||
| CURVE STAIRS | COMPLYING WITH CHAPTER 7 NFPA 101 | NOT PERMITTED | ||||||
| WINDERS | COMPLYING WITH CHAPTER 7 NFPA 101 | NOT PERMITTED | ||||||
| GUARDS AND HANDRAILS | COMPLYING WITH CHAPTER 7 NFPA 101 | REQUIRED | ||||||
| OUTSIDE STAIRS | COMPLYING WITH CHAPTER 7 NFPA 101 | PERMITTED | ||||||
| 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 STORY / > 3 STORY | 1-HR FPR** / 1.5-HRS FPR** | ||||||
| ENCLOSURES FRR* | ≤3 STORY / > 3 STORY | 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 | ||||||
| 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 | |||||
| 4 | INDUSTRIAL EQUIPMENT ACCESS RAMPS / PLATFORMS / WALKWAYS / STAIRS AND DOORS | COMPLYING WITH THE DIMENSIONAL CRITERIA IN NFPA 101 TABLE 40.2.5.2.1 / 40.2.5.2.2 | PERMITTED | |||||
| 5 | ROOF ACCESS | > 4 STOREYS (G+3) OR ROOFS 12M ABOVE GRADE PLANE | REQUIRED | |||||
| ONE AT EACH 9300 SQM ROOF AREA | REQUIRED | |||||||
| FLAT ROOFS OR ROOF PITCH < 3 IN 12 | REQUIRED | |||||||
| STAIRS AS ACCESS WITH OPERABLE DOORS | REQUIRED | |||||||
| 6 | SMOKE PROOF ENCLOSURES | FRR* (FIRE RESISTANCE RATING) | ||||||
| STAIR ENCLOSURES | INTERIOR STAIR 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 WHEN FIRE LIFTS PROVIDED | ||||||
| ADJACENT AND ACCESIBLE TO AN EXIT STAIRCASE | ||||||||
| SERVES AS A COMMON LOBBY FOR BOTH FIRE LIFT AND THE ADJACENT EXIT STAIRCASE | ||||||||
| 6 SQM MINIMUM WORKING SPACE/AREA (2.0M LEAST SIDE DIMENSION) | ||||||||
| PROVISIONS AT THE LEVEL OF EXIT DISCHARGE | NOT REQUIRED IF EXITS COMPLIES WITH EXIT DISCHARGE REQUIREMENTS | |||||||
| 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 | |||||||
| BUILDING TRAVERSES MORE THAN FIVE (5) FLOOR LEVELS INCLUDING BASEMENT/S AND BELONGS TO A PLACE OF PUBLIC RESORT (ASSEMBLY & HEALTHCARE OCCUPANCY) REGARDLESS OF THE HABITABLE HEIGHT. | NOT APPLICABLE | |||||||
| 3 SQM MIN. AREA (LEAST SIDE DIMENSION 1.8M) | REQUIRED | |||||||
| PROVISIONS AT THE LEVEL OF EXIT DISCHARGE | NOT REQUIRED IF EXITS COMPLIES WITH EXIT DISCHARGE REQ'TS | |||||||
| SMOKE-STOP LOBBY AND FIRE FIGHTING LOBBY DOORS AND WALL ENCLOSURES | 1.5-HR FPR** FIRE PROTECTION RATING / 2-HRS FRR* FIRE RESISTANCE RATING | REQUIRED WHEN LOBBY'S PROVIDED | ||||||
| 7 | HORIZONTAL EXITS | COMPLYING WITH CHAPTER 7 NFPA 101 | PERMITTED | |||||
| 8 | 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 | |||||||
| 9 | ESCALATORS & MOVING WALKS | AS PART OF THE REQUIRED MEANS OF EGRESS AS PER NFPA 101/ASME A17.1 & CSA B44 | NOT PERMITTED | |||||
| 10 | FIRE ESCAPE STAIRS | COMPLYING WITH CHAPTER 7 NFPA 101 | PERMITTED | |||||
| 11 | FIRE ESCAPE LADDERS | COMPLYING WITH CHAPTER 7 NFPA 101 | PERMITTED | |||||
| 12 | SLIDE ESCAPES | COMPLYING WITH CHAPTER 7 NFPA 101 | PERMITTED | |||||
| 13 | ALTERNATING TREAD DEVICES | COMPLYING WITH CHAPTER 7 NFPA 101 | PERMITTED | |||||
| 14 | AREAS OF REFUGE | COMPLYING WITH CHAPTER 7 NFPA 101 | REQUIRED | |||||
| 15 | ELEVATORS | AS SECOND MEANS OF EGRESS FROM A TOWER & COMPLYING WITH NFPA 101/ASME A17.1/CSA B44 | PERMITTED | |||||
| 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 | |||||||
| 1 | SINGLE EXIT | SERVING ALL FLOOR LEVELS | NOT LESS THAN 2 EXITS REQUIRED | |||||
| IN MEZZANINES OR ANY SECTIONS WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT | PERMITTED | |||||||
| ANY STORY OR SECTION WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT | PERMITTED | |||||||
| 2 | 2 SEPARATE EXITS | 50 - 500 OCCUPANTS | REQUIRED | |||||
| 3 | 3 SEPARATE EXITS | EQUAL OR MORE THAN 500 OCCUPANTS | REQUIRED | |||||
| 4 | 4 SEPARATE EXITS | EQUAL OR MORE THAN 1000 OCCUPANTS | REQUIRED | |||||
| LOW HAZARD | ORDINARY | |||||||
| E | ARRANGEMENT OF EXITS | (NS*-NOT SPRINKLERED / S**-SPRINKLERED) | NS* | S** | NS* | S** | ||
| 1 | TRAVEL DISTANCE | NFPA 101 TABLE 40.2.6 | 61M | 76M | 61M | 76M | ||
| 2 | COMMON PATH LIMIT | NFPA 101 TABLE 40.2.5 | 15M | 30M | 15M | 30M | ||
| 3 | DEAD-END CORRIDOR | NFPA 101 TABLE 40.2.5 | 15M | 15M | 15M | 15M | ||
| 4 | EXIT DISCHARGE | COMPLYING WITH NFPA 101 | REQUIRED | |||||
| 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 | COMPLYING WITH CHAPTER 7 NFPA 101 | REQUIRED | |||||
| 9 | MARKINGS OF MEANS OF EGRESS | COMPLYING WITH CHAPTER 7 NFPA 101 | REQUIRED | |||||
| F | SPECIAL MEANS OF EGRESS PROVISIONS | |||||||
| 1 | FIREMEN ACCESS PANELS | ANY NUMBER OF STORIES | REQUIRED | |||||
| 2 | REFUGE FLOORS | AT AN INTERVAL OF 20 STORIES | BUILDINGS EXCEEDING 30 STORIES | |||||
| 3 | ELEVATORS FOR OCCUPANT CONTROLLED EVACUATION PRIOR TO PHASE 1 EMERGENCY RECALL OPERATIONS | COMPLYING WITH CHAPTER 7 NFPA 101 | PERMITTED | |||||