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Riser Height
4-7 in (7in max)
Tread Depth
11 in max
Nosing Projection
1 ¼ in max
Stairway Rise without Landing
12 ft max
Height of Handrail
34-38 in
Top handrail extension
12 in max
Bottom handrail extension
one tread depth
Diameter of type I circular handrail
1 ¼ in - 2 in
Minimum headroom height
80 in

Label
A. Exit, B. Exit Access, C. Exit Discharge
What is the distance allowed between exits for a sprinklered building?
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What distance is allowed between exits for a non-sprinklered building?
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Dead-end corridors are limited to how many feet if sprinklered and non-sprinklered?
Sprinklered: 50 ft, Non-sprinklered: 20ft