2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)
11B-406.4 Blended transitions.
Blended transitions shall comply with Sections 11B-406.4 and 11B-406.5.
11B-406.4.1 Slope.
Blended transitions shall have a running slope not steeper than 1:20.
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