Code of Massachusetts Regulations
521 CMR - Architectural Access Board
Title 521 CMR 30 - PUBLIC TOILET ROOMS
Section 30.9 - SINK
Current through Register 1531, September 27, 2024
Sinks, including vanities, shall comply with the following:
30.9.1 Clear floor space: A clear floor space complying with 521 CMR 6.3, Wheelchair Turning Space shall be provided in front of a sink to allow forward approach. The clear floor space shall be on an accessible route and shall extend no more than a maximum of 19 inches (19" = 483mm) underneath the sink. See Fig. 30g.
30.9.2 Height: Sinks shall be mounted with the rim no higher than 34 inches (34" = 864mm) above the finish floor. See Fig. 30h. Sinks shall also extend a minimum of 17 inches (17" = 432mm) from the wall to the front of the sink or counter.
30.9.3 Knee Clearance: Knee clearance shall be provided underneath the sink which is 27 inches (27" = 685mm) minimum from the floor to the underside of the sink and extends eight inches (8" = 205mm) minimum measured from the front edge underneath the sink back towards the wall; if a minimum of nine inches (9" = 230mm) of toe clearance is provided, a maximum of six inches (6" = 150mm) of the 48 inches (48"= 1220mm) of clear floor space required at the fixture may extend into the toe space. See Fig. 30h
30.9.4 Depth: Sink depth shall not exceed six inches 61/2 inches (61/2" = 165mm).
30.9.5 Piping: Sink traps and drains shall be located as close to rear walls as possible. Hot water and drain pipes exposed under sinks shall be recessed, insulated, or guarded. There shall be no sharp or abrasive surfaces under sinks.
30.9.6 Faucets: Faucets shall be operable with one hand and shall not require tight grasping, pinching, of twisting of the wrist. Lever-operated, push-type, touch-type, or electronically controlled mechanisms are acceptable designs. If self-closing valves are used the faucet shall remain open for at least ten seconds.
