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419.4 Waterless urinals.
Approved waterless urinals may be utilized only as part of an approved building water conservation plan prepared in accordance with the rules of the department.
420.1 Approval.
Water closets shall conform to the water consumption requirements of Section 604.4 and shall conform to ASME A112.19.2/CSA B45.1, ASME A112.19.3/CSA B45.4 or CSA B45.5/IAPMO Z124. Water closets shall conform to the hydraulic performance requirements of ASME A112.19.2/CSAB45.1. Water closet tanks shall conform to ASME A112.19.2/CSA B45.1, ASME A112.19.3/CSA B45.4 or CSA B45.5/IAPMO Z124. Electro-hydraulic water closets shall comply with ASME A112.19.2/CSA B45.1. Water closets equipped with a dual flushing device shall comply with ASME A112.19.14.
420.2 Water closets for public or employee toilet facilities.
Water closet bowls for public or employee toilet facilities shall be of the elongated type.
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