Stair treads shall comply with Section 11B-302. Changes in level, slopes exceeding 1:48, and detectable warnings shall not be permitted. Exception: Reserved....
Search Results "Tread Obstacle"
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11B-504.4 Tread surface
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Trail Tread
The portion of a trail upon which traffic moves.
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504.2 Treads and Risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum....
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504.2 Treads and Risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum....
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1017.3 Clear Tread Width
This section requires the clear tread width of trails to be 36 inches minimum....
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Surface and Clear Tread Width on Beach Access Routes
A beach access route must have a firm, stable surface, and have a clear tread width of 60 inches (1,525 millimeters) minimum....
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1009.7 Stair treads and risers
1009.7 Stair treads and risers. ......
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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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11B-504.5 Nosings
The radius of curvature at the leading edge of the tread shall be ½ inch (12.7 mm) maximum....
- Wooster Products Spectra Safety Treads (WP3C)
- Wooster Products Supergrit Safety Treads (231BF)
- American Stair Corp. FasTrack Treads & Landings
- Wooster Products Supergrit Safety Treads (231BF)
- Wooster Products Inc. Stairmaster Safety Renovation Treads
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T405.2 Surfaces
Step tread surfaces shall comply with T302....
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Spectra Safety Treads Section
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Minimum Trail Width
The width of the trail tread and the adjacent usable surface at the narrowest point on a trail. ...
- Wooster Products Spectra Safety Treads (WP3C)
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11B-504.2 Treads and risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (102 mm) high minimum and 7 inches (178 mm) high maximum....
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11B-504.2 Treads and risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (102 mm) high minimum and 7 inches (178 mm) high maximum....
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11B-504.2 Treads and risers
All steps on a flight of stairs shall have uniform riser heights and uniform tread depths. Risers shall be 4 inches (102 mm) high minimum and 7 inches (178 mm) high maximum....
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1009.7.2 Riser height and tread depth
1009.7.2 Riser height and tread depth. ... Exceptions: 6. See Section 3404.1 for the replacement of existing stairways. ...
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Stairways [§504]
Stairways [§504] Requirements for stairways address treads and risers, surfaces, nosings, and handrails....
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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....