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1991 ADA Standards for Accessible Design

Note: This document, portion of document or referenced document was published prior to the 2010 ADA Standards, and all or part of this information may only apply to Safe Harbored elements.

4.19 Lavatories and Mirrors.

4.19.1 General.

The requirements of 4.19 shall apply to lavatory fixtures, vanities, and built-in lavatories.

4.19.2 Height and Clearances.

Lavatories shall be mounted with the rim or counter surface no higher than 34 in (865 mm) above the finish floor. Provide a clearance of at least 29 in (735 mm) above the finish floor to the bottom of the apron. Knee and toe clearance shall comply with Fig. 31.

In addition to clearances discussed in the text, the following knee clearance is required underneath the lavatory: 27 inches (685 mm) minimum from the floor to the underside of the lavatory which extends 8 inches (205 mm) minimum measured from the front edge underneath the lavatory back towards the wall; if a minimum 9 inches (230 mm) of toe clearance is provided, a maximum of 6 inches (150 mm) of the 48 inches (1220 mm) of clear floor space required at the fixture may extend into the toe space. (4.19.2, 4.19.6)

Fig. 31 Lavatory Clearances

4.19.3 Clear Floor Space.

A clear floor space 30 in by 48 in (760 mm by 1220 mm) complying with 4.2.4 shall be provided in front of a lavatory to allow forward approach. Such clear floor space shall adjoin or overlap an accessible route and shall extend a maximum of 19 in (485 mm) underneath the lavatory (see Fig. 32).

The minimum depth of the lavatory is 17 inches (430 mm). (4.19.3, 4.24.5)

Fig. 32 Clear Floor Space at Lavatories

4.19.4 Exposed Pipes and Surfaces.

Hot water and drain pipes under lavatories shall be insulated or otherwise configured to protect against contact. There shall be no sharp or abrasive surfaces under lavatories.

4.19.5 Faucets.

Faucets shall comply with 4.27.4. Lever-operated, push-type, and electronically controlled mechanisms are examples of acceptable designs. If self-closing valves are used the faucet shall remain open for at least 10 seconds.

4.19.6* Mirrors.

Mirrors shall be mounted with the bottom edge of the reflecting surface no higher than 40 in (1015 mm) above the finish floor (see Fig. 31).

In addition to clearances discussed in the text, the following knee clearance is required underneath the lavatory: 27 inches (685 mm) minimum from the floor to the underside of the lavatory which extends 8 inches (205 mm) minimum measured from the front edge underneath the lavatory back towards the wall; if a minimum 9 inches (230 mm) of toe clearance is provided, a maximum of 6 inches (150 mm) of the 48 inches (1220 mm) of clear floor space required at the fixture may extend into the toe space. (4.19.2, 4.19.6)

Fig. 31 Lavatory Clearances

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