Treads must be at least 11 inches wide and uniform....
Search Results "Tread Obstacle"
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Treads and Risers [4.9.2], Nosings [4.9.3]
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4.9.3 Nosings
The radius of curvature at the leading edge of the tread shall be no greater than 1/2 in (13 mm)....
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4.9.3 NOSINGS
The radius of curvature at the leading edge of the tread shall be no greater than 1/2 in (13 mm)....
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7.4.4.4 Turning Space
Where resting intervals are provided adjacent to the trail tread, a turning space complying with ABAAS section 304.3.2 shall be provided. ...
- Supergrit Safety Treads
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7.4.12.1 Clear Width
Gate openings and openings in barriers for hiker passage shall provide a clear width of 36 inches (915 mm), complying with ODAAG, section 1017.3 Clear Tread Width....
- American Safety Tread Co., Inc. Stair Nosing Style 950
- American Safety Tread Co., Inc. Stair Nosing Style 850
- Wooster Products Flexmaster Safety Tread
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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....
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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....
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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....
- Spectra Safety Treads
- American Safety Tread Co., Inc. E- Cast Metal Safety Stair Nosing Style 816
- Nora Systems, Inc. Norament Hammered Stairtreads
- Nora Systems, Inc. Norament Round Stairtreads
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Clear Tread Width and Passing Spaces for Outdoor Recreation Access Routes
Clear tread width means the width of the traveled surface on the ground and also above the ground between obstacles (figure 40)....
- Nora Systems, Inc. Norament Grano Stairtreads
- Nora Systems, Inc. Norament Satura Stairtreads
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Resting Intervals [1017.8]
Resting intervals may be provided within the trail tread or adjacent to the trail tread....
- Nora Systems, Inc. Norament 920 Stairtreads
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7.4.3 Slope
Trail running slopes (grades) and cross slopes shall comply with sections 7.4.3.1 and 7.4.3.2.
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Openings in Trail Surfaces
Openings are gaps in the surface of a trail. Gaps include slots in a drainage grate and spaces between the planks on a puncheon, bridge, or boardwalk. Openings that are big enough to...
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7.4.3.2 Cross Slope
The cross slope shall not exceed 1:20 (5 percent). Where the surface is paved or is elevated above the natural ground, the cross slope shall not be steeper than 1:48 (2 percent).