accessibility standards for Federal outdoor developed areas 87 Openings [1018 6] Openings are gaps in the surface of a beach access route. Gaps, including spaces between the planks on a boardwalk and drainage holes in temporary or permanent surfaces, that are big enough for wheels, canes, or crutch tips to drop through or become trapped in are potential hazards. Openings in the surface of beach access routes and resting intervals must be small enough so that a sphere more than one-half inch in diameter cannot pass through. Where possible, elongated openings should be placed perpendicular, or as close to perpendicular as possible, to the dominant direction of travel or outside of the clear width of the beach access route. Running Slope [1018 71] The running slope of any segment of a beach access route must be no steeper than 1:10 (10 percent). When the running slope of a segment of beach access route is steeper than 1:20 (5 percent), the maximum length of the segment is specified in table 6, and a resting interval must be provided at the top and bottom of each segment. Gradual running slopes provide more independent use for people with disabilities. Resting intervals must be provided more frequently when running slopes are more severe. Table 6—Maximum Running Slope and Segment Length Running Slope of Beach Access Route Segment Maximum Length of Segment Steeper Than But Not Steeper Than 1:20 (5%) 1:12 (8.33%) 50 feet 1:12 (8.33%) 1:10 (10%) 30 feet
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