Uniform Federal Accessibility Standards (UFAS)

4.34.6.5* SINK.

The sink and surrounding counter shall comply with the following requirements (see Fig. 51):

(1) The sink and surrounding counter shall be mounted at a maximum height of 34 in (865 mm) above the floor, measured from the floor to the top of the counter surface, or shall be adjustable or replaceable as a unit to provide alternative heights of 28 in, 32 in, and 36 in (710 mm, 815 mm, and 915 mm), measured from the floor to the top of the counter surface or sink rim. The total width of sink and counter area shall be 30 in (760 mm).

(2) Rough-in plumbing shall be located to accept connections of supply and drain pipes for sinks mounted at the height of 28 in (710 mm).

(3) The depth of a sink bowl shall be no greater than 6-1/2 in (165 mm). Only one bowl of double- or triple-bowl sinks needs to meet this requirement.

(4) Faucets shall comply with 4.27.4. Lever-operated or push-type mechanisms are two acceptable designs.

(5) Base cabinets, if provided, shall be removable under the full 30 in (760 mm) minimum frontage of the sink and surrounding counter. The finished flooring shall extend under the counter to the wall.

(6) Counter thickness and supporting structure shall be 2 in (50 mm) maximum over the required clear space.

(7) A clear floor space 30 in by 48 in (760 mm by 1220 mm) shall allow forward approach to the sink. Nineteen inches (485 mm) maximum of the clear floor space may extend underneath the sink. The knee space shall have a clear width of 30 in (760 mm) and a clear depth of 19 in (485 mm).

(8) There shall be no sharp or abrasive surfaces under sinks. Hot water and drain pipes under sinks shall be insulated or otherwise covered.

Figure 51

Kitchen Sink

Figure 51(a)

Before Removal of Cabinets and Base

Figure 51(b)

Cabinets and Base Removed and Height Alternatives