2022 California Standards for Accessible Design Guide (effective January 1, 2023)
11B-1008.2.6 Ground surfaces.
Ground surfaces on accessible routes, clear floor or ground spaces, and turning spaces shall comply with Section 11B-1008.2.6.
11B-1008.2.6.1 Accessibility.
Ground surfaces shall comply with ASTM F 1951. Ground surfaces shall be inspected and maintained regularly and frequently to ensure continued compliance with ASTM F 1951.
11B-1008.2.6.2 Use zones.
Ground surfaces located within use zones shall comply with ASTM F 1292 (1999 edition or 2004 edition).
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