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HIGH HAZARD INDUSTRIAL OCCUPANCY - MEANS OF EGRESS


IN ACCORDANCE WITH NFPA 5000 CHAPTER 7 TABLE 7.4.1 FOR THE ALLOWABLE BUILDING HEIGHT AND AREA REQUIREMENTS

IV MEANS OF EGRESS (FRR* FIRE RESISTANCE RATING / FPR** FIRE PROTECTION RATING) HIGH HAZARD 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
<2000 PERSON (CLEAR WIDTH) 1120MM
>2000 PERSON (CLEAR WIDTH) 1420MM
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 NOT 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 NOT 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 NOT PERMITTED
12 SLIDE ESCAPES COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED
13 ALTERNATING TREAD DEVICES COMPLYING WITH CHAPTER 7 NFPA 101 NOT 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 NOT PERMITTED
ANY STORY OR SECTION WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT NOT 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
       
E ARRANGEMENT OF EXITS (NS*-NOT SPRINKLERED / S**-SPRINKLERED) NS* S**
1 TRAVEL DISTANCE NFPA 101 TABLE 40.2.6 NOT PERMITTED 23M
2 COMMON PATH LIMIT NFPA 101 TABLE 40.2.6 PROHIBITED PROHIBITED
3 DEAD-END CORRIDOR NFPA 101 TABLE 40.2.6 PROHIBITED PROHIBITED
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
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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