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United States · ADA · Illustrated standards guidance

Operable parts: reach ranges and controls

Forward and side reach guidance for accessible controls, switches and other operable parts, including obstructed reaches.

AccessibilityAnthropometry & ergonomics
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Source wording and page order preserved. Drawings and table layouts remain available in the original PDF.

Chapter 3: Building Blocks Operable Parts Side Approach and Reach Clear Floor Space [§309.2] Clear floor space can be oriented for a side approach instead of a forward approach at most operable parts. Nominal centering of the space on operable portions of elements is advisable, but not required (except at washers and dryers). Clear Floor Space Additional clearance is required if the space is obstructed on three sides for more than half the depth to allow easier maneuvering into the space. > 15” > 15” 30” min 48” min 60” min 6

Edition and local adoption determine which requirements apply. Use the publisher’s document for the complete clauses, diagrams and amendments.