FIRE CODE Flashcards
EXISTING STAIRS
Minimum width clear of all obstruction, except projections not more than 114 mm (4 1/2 in) at or below handrail height on each side
915mm
EXISTING STAIRS
Maximum height of risers
205mm
EXISTING STAIRS
Minimum tread depth
230mm
EXISTING STAIRS
Minimum headroom
2000mm
EXISTING STAIRS
Maximum height between landings
3660mm
NEW STAIRS
Minimum width
less than 2000 persons
1120mm
NEW STAIRS
Minimum width
more than 2000 persons
1420mm
NEW STAIRS
Maximum height of risers
180mm
NEW STAIRS
Minimum height of risers
100mm
NEW STAIRS
Minimum tread depth
280mm
NEW STAIRS
Minimum headroom
2000mm
Maximum height between landings
3660mm
Handrails from upper surface of tread
760mm - 865mm
- Allowed as means of egress only in existing building
- Should not constitute more than 50% of required exit capacity
Fire Escape Stairs
Not Allowed as fire escape or means of egress
Ladders
Notifies occupants of the building and, when required, emergency forces
Automatic fire department notification is required for:
- High Rise Buildings
- Hospitals
- Schools, Hotels, Apartments 4 storeys or taller
- Malls
Fire alarms
Wet Standpipes required for the following:
- Assembly occupancies with at least 1000 occupant load
- Schools, hospitals, businesses, hotels, etc. 4 storeys or taller
- Hazardous occupancies exceeding 1,860 sqm per floor
Exceptions: Buildings with an approved sprinkler system
Wet Standpipes
All portion of the building must be within 6 meters of a nozzle attached to a 22.00m long hose
Minimum diameter of :
64mm
