Architectural · A-ASCHN

Accessible Lavatory and Sink Clearance Requirements

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This drawing outlines accessibility requirements for lavatories and sinks including side and plan views with dimensional clearances. The side view indicates a maximum rim height of 2 feet 10 inches, a knee clearance of 2 feet 3 inches minimum, and a toe clearance of 9 inches minimum with a 17 inch minimum depth. Water supply and drain pipes are to be insulated to protect against contact, and sharp or abrasive surfaces must be avoided beneath the fixture. The plan view shows a 30 inch by 48 inch clear floor space for a forward approach, with operable parts requiring a maximum force of 5 pounds and no tight grasping or twisting of the wrist. Additional notes specify knee clearance dimensions at varying depths for built-in or wall-mounted lavatories.

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