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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 Example Single User Toilet Room The Standards do not directly specify the size of toilet rooms which is determined by a variety of factors, including the layout and number of fixtures, the presence of other features, such as baby changing tables, and even the swing of doors. How various space requirements are met also determine the minimum room size, including required clearances at fixtures and other elements, turning space, and door maneuvering clearance. Accessible toilet rooms can be configured in many different ways. The layout shown here is used only as an example in illustrating the features of a compliant toilet room. These designs show the minimum dimensions specified in the Standards. Providing additional space in toilet rooms will enhance usability. Water Closet Clearance Lavatory Clearance 11 nim ”65 60” min nim ”84 30” min The lavatory cannot overlap the water closet clearance Water closets can be placed in any (except in residential dwelling units), but the clearance corner. at the lavatory can. It is advisable (but not required) to nominally center the lavatory on the clear floor space. Option: Recessed Lavatory 24” min If a lavatory or other fixture is recessed next to a water closet, the rear grab bar can be Recessed fixtures can save space where two 24” (instead of 36”) long minimum, centered rooms are paired. on the unit if wall space does not allow a grab bar 36” long min. (§604.5.2).

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