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Uniform Federal Accessibility Standards (UFAS)

4.2.4.2 RELATIONSHIP OF MANEUVERING CLEARANCE TO WHEELCHAIR SPACES.

One full unobstructed side of the clear floor or ground space for a wheelchair shall adjoin or overlap an accessible route or adjoin another wheelchair clear floor space. If a clear floor space is located in an alcove or otherwise confined on all or part of three sides, additional maneuvering clearances shall be provided as shown in Fig. 4(d) and (e).

Figure 4 (cont.)

Minimum Clear Floor Space for Wheelchairs

For a front approach, where the depth of the alcove is equal to or less than 24 inches (610 mm), the required clear floor space is 30 inches by 48 inches (760 mm by 1220 mm). For a side approach, where the depth of the alcove is equal to or less than 15 inches (380 mm), the required clear floor space is 30 inches by 48 inches (760 mm by 1220 mm).

Figure 4(d)

Clear Floor Space in Alcoves

For a front approach, if the depth of the alcove is greater than 24 inches (610 mm), then in addition to the 30 inch (760 mm) width, a maneuvering clearance of 6 inches (150 mm) in width is required. For a side approach, where the depth of the alcove is greater than 15 inches (380 mm), then in addition to the 48 inch (1220 mm) length, an additional maneuvering clearance of 12 inches in length (305 mm) is required.

Figure 4(e)

Additional Maneuvering Clearances for Alcoves

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