§ 18-29-416.1 Approval.
Lavatories shall conform to ANSI Z124.3, ASME A112.19.1, ASME A112.19.2, ASME A112.19.3, ASME A112.19.4, ASME A112.19.9, CSA B45.1, CSA B45.2, CSA B45.3 or CSA B45.4. Group wash-up equipment shall conform to the requirements of Section § 18-29-402. Every 20 inches (500 mm) of rim space shall be considered as one lavatory.
§ 18-29-416.2 Cultured marble lavatories.
Cultured marble vanity tops with an integral lavatory shall conform to ANSI Z124.3 or CSA B45.5.
§ 18-29-416.3 Lavatory waste outlets.
Lavatories shall have waste outlets not less than 1 1/4 inches (32 mm) in diameter. A strainer, pop-up stopper, crossbar or other device shall be provided to restrict the clear opening of the waste outlet.