Each public toilet room provided on a site or in a building shall comply with 521 CMR.
a. In each adult public toilet room, at least one water closet and one sink in each location shall be accessible to persons in wheelchairs, or a separate accessible unisex toilet room shall be provided at each location. Adult water closets shall comply with the provisions of521 CMR 30.1 through 30.13b. Where children's toilet rooms are provided, at least one water closet and one sink in each location shall be accessible to children in wheelchairs, or a separate accessible unisex toilet room shall be provided at each location. Children's toilet rooms shall comply with the provisions of 521 CMR 30.14 through 30.20. For purposes of 521 CMR, pre-kindergarten school is defined as a school which serves children from infancy up until but not including kindergarten. Elementary school is defined as a school which serves grades kindergarten through six. 30.1.1 The installation of unisex toilet room in lieu of fully accessible men's and women's room is permitted by 521 CMR. See also 521 CMR 30.2, Location.30.1.2 Portable Toilets: For single user portable toilets clustered at a single location, at least 5% but not less than one accessible toilet unit shall be installed at each cluster. Accessible units shall be identified by the International Symbol of Accessibility. Portable units at construction sites used exclusively by construction personnel are not required to be accessible.