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Medium-Rise Apartment Building (Type-B) - MEANS OF EGRESS


Height: > 18m to <28m

Area: > 1,000 sqm

IV MEANS OF EGRESS MEDIUM-RISE APARTMENT (TYPE-B)
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 (NP) ACROSS CORRIDORS
VERTICAL ROLLING DOORS COMPLYING WITH CHAPTER 7 NFPA 101 NOT 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
STANDARD STAIRS FEWER THAN 50 PERSON (CLEAR WIDTH) 915MM
<2000 PERSON (CLEAR WIDTH) 1120MM
>2000 PERSON (CLEAR WIDTH) 1420MM
SPIRAL STAIRS COMPLYING WITH CHAPTER 7 NFPA 101 PERMITTED ONLY WITHIN A SINGLE DWELLING UNIT
CURVE STAIRS COMPLYING WITH CHAPTER 7 NFPA 101 NOT PERMITTED
WINDERS COMPLYING WITH CHAPTER 7 NFPA 101 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**/2-HRS 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 NOT 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 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 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 ACCESSIBLE 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 REQUIREMENTS
F/F LOBBY DOORS & WALL ENCLOSURES 1.5-HR FPR** FIRE PROTECTION RATING/ FRR* 2-HRS FIRE RESISTANCE RATING NOT APPLICABLE
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
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) NOT APPLICABLE
PROVISIONS AT THE LEVEL OF EXIT DISCHARGE NOT APPLICABLE
  S/S LOBBY DOORS & WALL ENCLOSURES 1.5-HR FPR** FIRE PROTECTION RATING/ FRR* 2-HRS FIRE RESISTANCE RATING REQUIRED IF BASEMENT LEVEL/S EXCEED 9.0M METERS DEPTH
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 1-HR FRR*
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 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 18.6 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 SERVING ALL FLOOR LEVELS PERMITTED* COMPLYING WITH SINGLE EXIT CONDITIONS
IN MEZZANINES WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT PERMITTED
IN ANY SECTION WITH EXIT TRAVEL WITHIN COMMON PATH LIMIT PERMITTED
DWELLING UNIT HAS AN EXIT DOOR OPENING DIRECTLY TO A STREET OR YARD AT FINISHED GROUND LEVEL NOT APPLICABLE
DWELLING UNIT HAS DIRECT ACCESS TO OUTSIDE STAIR AND SERVES A MAX. OF 2 UNITS BOTH OF WHICH ARE LOCATED ON THE SAME FLOOR LEVEL NOT APPLICABLE
DWELLING UNIT HAS DIRECT ACCESS TO AN INSIDE STAIR SERVING ONLY THAT UNIT AND SEPARATED FROM OTHER PARTS OF THE BUILDING WITH 1-HR FIRE BARRIERS NOT APPLICABLE

CONDITIONS * PERMITTING SINGLE EXIT PROVISIONS

(REQUIRES COMPLIANCE TO ALL STATED CONDITIONS)

 1 LARGEST FLOOR AREA IS EQUAL OR LESS THAN 500 SQM REQUIRED
2 TRAVEL DISTANCE FROM THE ENTRANCE DOOR OF ANY DWELLING UNIT TO AN EXIT DOES NOT EXCEED 10.7M. REQUIRED
3 EXIT STAIRWAY IS COMPLETELY ENCLOSED OR SEPARATED FROM THE REST OF THE BUILDING REQUIRED
4 STAIRWAY SERVE ONLY ONE (1) BASEMENT LEVEL ONLY REQUIRED
5 ALL OPENINGS BETWEEN THE EXIT ENCLOSURE AND THE BUILDING ARE PROTECTED WITH SELF-CLOSING DOOR ASSEMBLIES OF 1-HOUR FPR** REQUIRED
6 ALL CORRIDORS SERVING AS ACCESS TO EXITS HAVE A MINIMUM OF 1-HOUR FRR* REQUIRED
7 HORIZONTAL & VERTICAL SEPARATION OF 1.0-HR FRR* IS PROVIDED BETWEEN DWELLING UNITS REQUIRED
8 PROVIDED WITH SMOKE VENTS (FIXED WALL OPENING/S) THE TOP OF THE STAIRWELL (MAXIMUM 300MM BELOW SLAB SOFFIT/CEILING) WITH A MINIMUM AREA OF 1.5 SQM, OR NOT APPLICABLE
9 FOR BUILDING/S THAT TRAVERSES MORE THAN FIVE (5) STORIES INCLUDING BASEMENTS, THE EXIT STAIRCASE IS PRESSURIZED. REQUIRED
2 NOT LESS THAN 2 SEPARATE EXITS 50 - 500 OCCUPANTS REQUIRED
ON EVERY STORY AND ACCESSIBLE 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 WITHIN DWELLING UNIT TO CORRIDOR DOOR 23M 38M
FROM DWELLING UNIT ENTRANCE DOOR TO THE NEAREST EXIT 30M 61M
FROM A DWELLING UNIT ENTRANCE DOOR TO THE NEAREST EXIT FOR EXTERIOR WAYS OF EXIT ACCESS 61M 61M
AREAS OTHER THAN THOSE WITHIN LIVING UNITS TO AN EXIT 61M 76M
TOTAL TRAVEL DISTANCE PERMITTED FROM THE REMOTEST PORTION OF THE APARTMENT TO THE NEAREST EXIT 53M 99M
2 COMMON PATH LIMIT NFPA 101 TABLE A.7.6 NOTE: TRAVEL WITHIN A DWELLING UNIT IS NOT INCLUDED WHEN DETERMINING COMMON PATH OF TRAVEL 10.7M 15M
3 DEAD-END CORRIDOR NFPA 101 TABLE A.7.6 10.7M 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 10.7M TRAVEL DISTANCE TO BUILDING EXTERNAL PERMITTED IF SPRINKLER PROTECTED
50% OF THE REQUIRED NUMBER OF EXITS & 50% OF THE REQUIRED EXIT CAPACITY (SPRINKLER PROTECTED) PERMITTED IF SPRINKLER PROTECTED
5 EXTERIOR WAYS OF EXIT COMPLYING WITH NFPA 101 PERMITTED
6 ACCESSIBLE MEANS OF EGRESS EXIT PROVISIONS FOR PEOPLE WITH SEVERE MOBILITY IMPAIRMENT (NOT LESS THAN 2 EXITS REQUIRED) 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 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 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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