Every required stairway shall have a headroom clearance of not less than 6 feet 6 inches. The ontario building code headroom clearance 3435.
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2 the clear height of stairways shall be measured vertically over the clear width of the stairway from a straight line tangent to the tread and landing nosings to the.
Stair headroom clearance code. Stairway height width headroom code specifications requirements. This document provides building code specifications sketches photographs and examples of the stair passage width stair overhead clearance or head room needed for indoor or outdoor stairs. Stairs ramps handrails and guards nbc 2010 parts 3 and 9 stairs ramps handrails and guards nbc 2010 parts 3 and 9.
Handrails shall not project more than 45 inches 114 mm on either side of the stairway photo 2 and the. Stairways shall have a minimum headroom clearance of 80 inches 2032 mm measured vertically from a line connecting the edge of the nosings. 2010 national model construction codes stairs ramps handrails and guards.
The minimum headroom in all parts of the stairway shall not be less than 6. Ada standards for projecting hazard clearances. Clearances for stair construction inspection.
Section r3115 stairways. Headroom clearance versus clear height parts 3 and 9. Headroom clearance 1 except as provided by sentences 2 4 and 5 every exit shall have a clear height over the clear width of theexit of not less than 2 100 mm.
Watch his video to learn more about ceiling height variations and minimum measurements for building code violations. Stairway headroom width codes requirements. Stairway headroom 68 over tread or landing stairways shall have a minimum headroom clearance of 80 inches 2032 mm measured vertically from a line connecting the edge of the nosings.
Title 24 part 2 section 3305p. Stairways shall not be less than 36 inches 914 mm in clear width at all points above the permitted handrail height and below the required headroom height photo 1. Stair building code 2009 international residential code portions of this publication reproduce excerpts from the 2009 international residential code for one and two family dwellings and 2009 international building code international code council inc washington.
2012 residential stair guide. Such clearances shall be established by measuring vertically from a plane parallel and tangent to the stairway tread nosing to the soffit above at all points. Such headroom shall be continuous above the stairway to the point where the line intersects the landing below one tread depth beyond the bottom riser.
68 is normally the minimum measurement and it will be taken from the top of.
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