5. REQUIREMENT
Exits should be visible
Enough in number
Should not be used as air duct
Not to use for general purposes
Ramp less than 300 mm for general
200 mm for disable people
Exit access should be marked
Exit light should be used
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6. EXIT SIZE (FOR PEOPLE)
Buildings Types Per Person (Sq.m2)
Residential 18
Pre School 3.5
Class Room 2
Institutional 12
Hospital 15
Auditorium 4.02
Office 10
Market 3
Factory 10
Storage 30
Dangerous Usage 10
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7. EXIT SIZE WIDTH(FOR PEOPLE PER
MM)
Buildings
Types
With Spinkler System With Spinkler System
Stair Ramp &
Raider
Door Stair Ramp &
Raider
Door
Residential 8 5 4 5 4 4
School 8 5 4 5 4 4
Institutional 10 5 4 5 5 4
Hospital 25 18 10 15 12 10
Auditorium 10 7 5 7 5 5
Office 10 7 5 7 5 5
Storage 8 5 4 5 4 4
Dangerous
Usage
8 5 4 8 5 4
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8. CORRIDOR & PASSAGE
• Exits located less than 10 meters from these
• For people :
1. 50 or mores – 1.1 m
2. 50 or less - .09 m
• Height more than 2.4 m
• Minimum fire rating for access is greater than 1 hour
• Exits corridor’s fire rating is more than ½ hour
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9. STAIR
Building type Minimum width(m)
Resident 1.0-1.5
Educational institution 1.5-2.0
Assembly 1.5-2.0
Others 1.5
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10. STAIR
• Exit stair should follow the minimum width
• If fire stair has free width of 1.0 m then hand rail
should be used
• Should be made of fire protecting elements
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11. RAMP
• Slope should be less than 1:12
• If slope is greater than 1:15 , railing should be
used
11
