• Section 4.9.4 of the 1991 Standards requires handrails at the bottom of stairs to continue to slope for a distance of the width of one tread beyond the bottom riser nosing and to further...
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Section 4.9.4
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R409.10.3 Bottom Extension at Stairways
At the bottom of a stair flight, handrails shall extend at the slope of the stair flight for a horizontal distance at least equal to one tread depth beyond the last riser nosing....
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Spectra Safety Treads Section
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4.9.2 TREADS AND RISERS
On any given flight of stairs, all steps shall have uniform riser heights and uniform tread widths....
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General: ADA Standard Section 1009.1
Where provided, pool lifts, sloped entries, transfer walls, transfer systems, and pool stairs shall comply with 1009....
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R409.10.2 Top Extension at Stairways
At the top of a stair flight, handrails shall extend horizontally above the landing for 305 mm (1.0 ft) minimum beginning directly above the first riser nosing....
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Is color contrast required for stair nosings?
Visual contrast on stair nosings or the leading edges of treads is helpful for people with low vision, but it is not required by the Standards except at escalators in rail and fixed guideway...
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11B-1009.1 General
Where provided, pool lifts, sloped entries, transfer walls, transfer systems, and pool stairs shall comply with Section 11B-1009....
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Seton Custom SetonGlo™ Floor & Stair Identification Signs AV0154
NFPA and ASTM safety standards recommend that identification be posted on Exit doors leading to a staircase SetonGLo Custom 6"W x 6"H photoluminescent signs identify stairs and floor...
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Sections 505.10.2 and 505.10.3
Sections 505.10.2 and 505.10.3 of the 2010 Standards require handrail extensions at both the top and bottom of a flight of stairs....
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504.7 Wet Conditions
Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water....
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504.7 Wet Conditions
Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water....
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11B-504.7 Wet conditions
Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water....
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11B-504.7 Wet conditions
Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water. ...
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11B-504.7 Wet conditions
Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water....
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504.7 Wet Conditions
Stair treads and landings subject to wet conditions shall be designed to prevent the accumulation of water....
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4.9.4(5)
(5) Top of handrail gripping surface shall be mounted between 34 in and 38 in (865 mm and 965 mm) above stair nosings....
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Height: ADA Standard Section 505.4
Section 505.4 covers the current ADA Standards for the height of the top of the gripping surface of handrails.
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11B-505.4 Height
Top of gripping surfaces of handrails shall be 34 inches (864 mm) minimum and 38 inches (965 mm) maximum vertically above walking surfaces, stair nosings, and ramp surfaces....
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R408.5 Nosings
R408.5 Nosings. The radius of curvature at the leading edge of the tread shall be 13 mm (0.5 inch) maximum. Nosings that project beyond risers shall have the underside of the leading...
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R408.6 Handrails
R408.6 Handrails. Stairways shall have handrails complying with R409.
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Nora Systems, Inc. Norament Hammered Stairtreads
Pre-shaped stair coverings consisting of stair nosing, riser and tread all in one piece for straight steps with right-angled edge. ...
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Nora Systems, Inc. Norament Round Stairtreads
Stairtreads Pre-shaped stair coverings consisting of stair nosing, riser and tread all in one piece for straight steps with right-angled edge. ...
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11B-504.4 Tread surface
Stair treads shall comply with Section 11B-302. Changes in level, slopes exceeding 1:48, and detectable warnings shall not be permitted. Exception: Reserved....
