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// CODE SNIPPET

1009.3 Walkline

NYC Building Code 2014 > 10 Means of Egress > 1009 Stairways > 1009.3 Walkline
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The walkline across winder treads shall be concentric to the direction of travel through the turn and located 12 inches (305 mm) from the side where the winders are narrower. The 12-inch (305 mm) dimension shall be measured from the widest point of the clear stair width at the walking surface of the winder. If winders are adjacent within the flight, the point of the widest clear stair width of the adjacent winders shall be used.

Related Code Sections


1009.3 Means of Egress, Walkline
The walkline across winder treads shall be concentric to the direction of travel through the turn and located 12 inches (305 mm) from the side where ...
NYC Building Code 2014 > 10 Means of Egress > 1009 Stairways > 1009.3 Walkline
1009.4.4 Means of Egress, Dimensional Uniformity
tread shall not exceed 0.375 inch (9.5 mm) in any flight of stairs. The greatest winder tread depth at the walkline within any flight of stairs shall ...
NYC Building Code 2014 > 10 Means of Egress > 1009 Stairways > 1009.4 Stair Treads and Risers > 1009.4.4 Dimensional Uniformity
1009.4 Means of Egress, Stair Treads and Risers
with the walkline and a minimum tread depth of 10 inches (254 mm) within the clear width of the stair. Exceptions: Alternating tread devices ...
NYC Building Code 2014 > 10 Means of Egress > 1009 Stairways > 1009.4 Stair Treads and Risers
1009.4.2 Means of Egress, Riser Height and Tread Depth
the vertical planes of the foremost projection of adjacent treads at the intersections with the walkline and a minimum tread depth of 10 inches (254 mm) within ...
NYC Building Code 2014 > 10 Means of Egress > 1009 Stairways > 1009.4 Stair Treads and Risers > 1009.4.2 Riser Height and Tread Depth
Section 1009 Means of Egress, Stairways
). The walkline across winder treads shall be concentric to the direction of travel ...
NYC Building Code 2014 > 10 Means of Egress > 1009 Stairways
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