11B-406.2 Perpendicular curb ramps

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Note: This document or portion of document references a state or local requirement that is NOT required by the 2010 ADA Standards.

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.

11B-406.2.2 Sides of curb ramps.

Where provided, curb ramp flares shall not be steeper than 1:10.

In cross section, a curb ramp with a maximum slope of 1:12 adjoins a surface at the bottom that has a maximum counter slope of 1:20.

FIGURE 11B-406.2.2 SIDES OF CURB RAMPS ‡‡

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