Outdoor Developed Areas: A Summary of Accessibility Standards for Federal Outdoor Developed Areas
Openings [1016.6]
Openings are gaps in the surface of an ORAR. Gaps, including spaces between the planks on a boardwalk or slots in a drainage grate, that are big enough for wheels, cane, or crutch tips to drop through or become trapped in are potential hazards (figure 13). Where possible, drainage grates should be located outside the minimum clear width of the ORAR.
Openings in the surface of ORARs, passing spaces, 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.
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