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ADAAG Manual

Note: This document, portion of document or referenced document was published prior to the 2010 ADA Standards, and is still applicable.

Clear Floor Space [4.2.4]

Diagram showing the required dimensions for knee and toe clearances

A clearance at least 27 inches high and 19 inches deep is necessary for a person using a wheelchair to pull-up to tables and counters. Clearances below plumbed fixtures are further defined specifically for toe space because of piping below the fixture. The clearance between knee and toe space, while not defined by a specified height, should be maximized for leg room. Clearances are measured in relation to the usable clear floor space, not necessarily to the vertical support.

Diagram showing side approach

Clear floor space for side approaches should be located so that the element or fixture can actually be used by a person using a wheelchair.

Maneuvering into Clear Floor Space

Where a turn is required to enter the clear floor space, additional maneuvering room is needed. The additional clearance required for clear floor space in alcoves can be used as a guide.

Diagram showing forward approach

A recess length of least 60 inches long is required where the recess is 15 inches or more in depth.

Diagram showing space requirements for clear floor space in an alcove


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