ABA Accessibility Standard for GSA Facilities Pocket Guide
1016.7 Slopes.
The slopes of outdoor recreation access routes shall comply with 1016.7.
1016.7.1 Maximum Running Slope and Segment Length.
The running slope of any segment of an outdoor recreation access route shall not be steeper than 1:10 (10%). Where the running slope of a segment of an outdoor recreation access route is steeper than 1:20 (5%), the maximum length of the segment shall be in accordance with Table 1016.7.1, and a resting interval complying with 1016.8 shall be provided at the top and bottom of each segment.
Table 1016.7.1
Maximum Running Slope and Segment Length
|
Running Slope of Outdoor Recreation Access Route Segment |
Maximum Length of Segment |
|
|
Steeper than |
But not Steeper than |
|
|
1:20 (5%) |
1:12 (8.33%) |
50 feet (15 m) |
|
1:12 (8.33%) |
1:10 (10%) |
30 feet (9 m) |
1016.7.2 Cross Slope.
The cross slope shall not be steeper than 1:48.
EXCEPTION: Where the surface is other than concrete, asphalt, or boards, cross slopes not steeper than 1:20 shall be permitted when necessary for drainage.
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