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 Hammered Stairtreads
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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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Nora Systems, Inc. Norament Grano 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 Satura 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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Resting Intervals [1017.8]
Resting intervals may be provided within the trail tread or adjacent to the trail tread....
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6.9 Tread Obstacles
Obstacles on beach access routes and their related resting intervals shall not exceed 1 inch (25 mm) in height measured vertically to the highest point. Where the surface is...
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Nora Systems, Inc. Norament 920 Stairtreads
Striping for the visually impaired (6 colors) can be inserted into any one-piece nosing-tread-riser stairtread. ...
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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).
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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)....
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Figure 504.5 Stair Nosings – Drawing from the U.S. Access Board
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American Safety Tread Co., Type G505R Stairway Nosing/Tread Replacement
Manufactured of heat treated extruded aluminum alloy 6063-T-6, filled with a mixture of virgin aluminum oxide and silicon carbide abrasive granules in an epoxy binder. Type...
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1017.4 Passing Spaces
Trails with a clear tread width less than 60 inches (1525 mm) shall provide passing spaces complying with 1017.4 at intervals of 1000 feet (300 m) maximum. ...
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1017.4 Passing Spaces
Trails with a clear tread width less than 60 inches (1525 mm) shall provide passing spaces complying with 1017.4 at intervals of 1000 feet (300 m) maximum....
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Trail Slopes
Cross slopes—the side-to-side slope of a trail tread (figure 131)—provide drainage to keep water from ponding and damaging the trail, especially on unpaved surfaces....
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Trail Constructed Feature
Trail Constructed Feature—A constructed feature that functions as part of the trail tread. Examples include puncheon, trail bridges, boardwalks, waterbars, and switchbacks....
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7.4.5 Passing Spaces
Trails with a clear tread width less than 60 inches (1525 mm) shall provide passing spaces complying with 7.4.5 at intervals of 1000 feet (300 m) maximum. ...
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7.4.4 Resting Intervals
Resting intervals shall comply with 7.4.4. Where the trail grade exceeds 1:20 (5 percent), resting intervals shall be provided as specified in Table 7.4.3.1.
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1017.6 Openings
This section requires openings in the surface of trails, passing spaces, and resting intervals such as spaces between the boards in a boardwalk to not allow passage of a sphere more...
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7.2.2.1 Determining Impracticability
The use of General Exception 2 is reasonable where one or more conditions for an exemption in section 7.1 and at least one of the following limiting factors exist: Limiting Factor...
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7.4.7 Openings
Openings in trail tread surfaces, trail resting spaces, and trail passing spaces shall be small enough to prevent passage of a 1/2 inch- (13 mm-) diameter sphere....
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Obstacles [1018.5]
Changes in the vertical alignment of boards or the connection points for removable sections of beach access routes can be obstacles to beach access. When beach access routes are...
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1018.5 Obstacles
This section contains technical requirements for obstacles on beach access routes and resting intervals. The vertical alignment of boards on a beach access route or removable...
