Code of Massachusetts Regulations
521 CMR - Architectural Access Board
Title 521 CMR 44 - GROUP 2 BATHROOMS
Section 44.5 - SINKS

Universal Citation: 521 CMR 44 MA Code of Regs 44.5

Current through Register 1531, September 27, 2024

Shall comply with the following:

44.5.1 Adaptability: The sink, its plumbing, and the walls adjacent to the sink shall be designed so that the sink can be relocated vertically and so that the sink installation meets the definition of structural strength.

44.5.2 Vanity Cabinets: Where a cabinet or vanity is provided under a sink, it shall be removable or replaceable to provide a knee space that complies with 521 CMR 44.5.4 and 44.5.5.

In Group 2B bathrooms, base cabinets can be used only if kneespace is also provided.

44.5.3 Height: The sink shall be capable of being relocated vertically, in the future, without requiring structural change to the walls of the bathroom. A sink with kneespace shall be installed or be capable of being installed, with at least 27 inches (27" = 686mm) of clearance from the floor to the bottom of the sink or counter apron.

In Group 2B bathrooms, the sink rim or counter surface shall be installed at a height of 34 inches (34" = 864mm) from the floor and there shall be at least 29 inches (29" = 737mm) of clearance from the floor to the bottom of the sink or counter apron.

44.5.4 Kneespace width: The sink shall have or be capable of having, without structural change , a knee space of 30 inches (30" = 762mm) in width, centered on the sink.

In Group 2B bathrooms, a kneespace of 30 inches (30" = 762mm) in width must be provided .

44.5.5 Kneespace depth: The front edge of the sink or the front edge of the countertop in which a sink is located, shall be a minimum of 22 inches (22" = 559mm) from the back wall or be capable of being relocated to create a space 22 inches (22" = 559mm) deep from the back wall to the front edge of the sink.

In Group 2B bathrooms, the front edge of the sink or the front edge of the countertop in which a sink is located, shall be a minimum of 22 inches (22" = 559mm) from the back wall.

44.5.6 Piping: All piping under the sink shall be offset to the back wall so that persons in wheelchairs have maximum possible kneespace.

In Group 2B bathrooms, the hot water and waste pipes under the sink shall be offset to the back wall and insulated.

44.5.7 Hardware: Faucets shall be operable with a closed fist and shall not require grasping, pinching, or twisting of the wrist.

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