2022 California Standards for Accessible Design Guide (effective January 1, 2023)
11B-406.2 Perpendicular curb ramps.
Perpendicular curb ramps shall comply with Sections 11B-406.2 and 11B-406.5.
11B-406.2.1 Slope.
Ramp runs shall have a running slope not steeper than 1:12.
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