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Minimum Window Sill Height


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Stair Width & Height

Required stair width is determined by the required egress capacity of each floor the stair serves, considered independently. It is not necessary to accumulate occupant loads from floor to floor to determine stair width. Each story or floor level is considered separately when calculating the occupant load to be served by the means of egress from that floor.

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Door Clear Width

OCCUPANCY TYPE (new building)

CODE REF.
DOOR minimum CLEAR WIDTH

AMBULATORY (Sprinklered and Not Sprinklered)
NFPA 101, 2015 (20.2.3.4)
810 mm. required for diagnostics or treatment area such as x-ray, surgical or physical therapy.

BUSINESS (Sprinklered and Not Sprinklered)
NFPA 101,

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Corridor Width

OCCUPANCY TYPE (new building)

CODE REF.
MINIMUM CORRIDOR WIDTH

AMBULATORY
(Sprinklered or Not Sprinklered)
(20.2.3.2)
1120 mm.

BUSINESS
(Sprinklered or Not Sprinklered)
(38.2.3.2)
1120 mm. serving occupant load > 50,
900 mm. serving occupant load <

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Disclaimer

All the information(s) in this website are intended as a personal reference or notes only, we shall not be responsible for any loss, damage or injury that may be suffered by anyone in connection with the use of the facilities designed based on the recommendation of this website.

NFPA References

QCDD References

Ramps

Vertical Openings

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