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United States · ADA · Illustrated standards guidance

Toilet rooms: fixture and transfer clearances

Toilet-room layouts, water-closet transfer spaces, grab bars, lavatories and accessible toilet compartments.

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

Chapter 6: Plumbing Elements and Facilities Toilet Rooms Water Closets [§213.3.2, §604] Criteria for water closets address location, clearance, seats, grab bars, flush controls, and dispensers. Water closets can be arranged for either a left-hand or right-hand approach. 16”–18” Note: specifying 17” will accommodate construction variations up to 1” The required clearance provides space for approach and transfer to water closets. The water closet, associated grab bars, toilet paper dispensers, seat cover and other dispensers, coat hooks, shelves, and sanitary napkin disposal units are the only 56” min elements that can overlap this clearance C L (§604.3.2). Other elements and fixtures cannot overlap the required water closet clearance. (In residential dwelling units, a lavatory can overlap a portion of the water closet clearance under certain conditions.) 60” min Location, Clearance, Seat Height and Flush Controls Flush controls must be on the open side and, if hand-operated, comply as operable parts) Seats cannot be sprung to return to lifted position 17”–19” (to top of seat) Recommendation: Locate flush valves and related plumbing to the side of the water closet or behind walls to keep the rear grab bar clear. 6

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