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1115A.4 Nosing

Los Angeles Building Code > 11A Housing Accessibility > 1115A Exterior Stairways > 1115A.4 Nosing
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Nosing shall not project more than 11/4 inches (31.8 mm) past the face of the riser below. Risers shall be sloped or the underside of the nosing shall have an angle not more than 30 degrees (0.52 rad) from the vertical. (See Figure 11A-6A).

Related Code Sections


1115A.4 Housing Accessibility, Nosing
Nosing shall not project more than 1 1 / 4 inches (31.8 mm) past the face of the riser below. Risers shall be sloped or the underside of the nosing ...
Los Angeles Building Code > 11A Housing Accessibility > 1115A Exterior Stairways > 1115A.4 Nosing
1123A.4 Housing Accessibility, Nosing
Nosing shall not project more than 1 1 / 4 inches (31.8 mm) past the face of the riser below. Risers shall be sloped or the underside of the nosing ...
Los Angeles Building Code > 11A Housing Accessibility > 1123A Interior Stairways > 1123A.4 Nosing
11B-504.5 Accessibility to Public Buildings, Public Accommodations, Commercial Buildings and Public Housing, Nosings
The radius of curvature at the leading edge of the tread shall be 1 / 2 inch ( 12.7 mm) maximum. Nosings that project beyond risers shall have ...
Los Angeles Building Code > 11B Accessibility to Public Buildings, Public Accommodations, Commercial Buildings and Public Housing > 11B-504 Stairways > 11B-504.5 Nosings
R311.7.5.3 Building Planning, Nosings
The radius of curvature at the nosing shall be not greater than 9 / 16 inch (14 mm). A nosing projection not less than 3 / 4 inch (19 mm ...
Los Angeles Residential Code > 3 Building Planning > R311 Means of Egress > R311.7 Stairways > R311.7.5 Stair Treads and Risers > R311.7.5.3 Nosings
1029.13.2.4 Means of Egress, Nosing and Profile
Nosing and riser profile shall comply with Sections 1011.5.5 through 1011.5.5.3 ...
Los Angeles Building Code > 10 Means of Egress > 1029 Assembly > 1029.13 Assembly Aisle Walking Surfaces > 1029.13.2 Stepped Aisles > 1029.13.2.4 Nosing and Profile
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