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418.1 Approval.
Sinks shall conform to ASME A112.19.1/CSA B45.2, ASME A112.19.2/CSA B45.1, ASME A112.19.3/CSA B45.4 or CSA B45.5/IAPMO Z124.
418.2 Sink waste outlets.
Sinks shall be provided with waste outlets having a diameter not less than 1 1/2 inches (38 mm). A strainer or crossbar shall be provided to restrict the clear opening of the waste outlet.
418.3 Moveable sink systems.
Moveable sink systems shall comply with ASME A112.19.12.
419.1 Approval.
Urinals shall conform to ASME A112.19.2/CSA B45.1, ASME A112.19.19 or CSA B45.5/IAPMO Z124. Urinals shall conform to the water consumption requirements of Section 604.4. Water-supplied urinals shall conform to the hydraulic performance requirements of ASME A112.19.2/CSA B45.1 or CSA B45.5/IAPMO Z124.
419.2 Substitution for water closets.
In each bathroom or toilet room, urinals shall not be substituted for more than 50 percent of the required water closets.
419.3 Surrounding material.
Wall and floor space to a point 2 feet (610 mm) in front of a urinal lip and 4 feet (1219 mm) above the floor and at least 2 feet (610 mm) to each side of the urinal shall be waterproofed with a smooth, readily cleanable, nonabsorbent material.
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