Indirect waste piping shall discharge through an air gap or air break into a waste receptor. Waste receptors shall be trapped and vented and shall connect to the building drainage system. Waste receptors shall not be located in a toilet facility, closet, storeroom or any inaccessible space. Indirect waste piping that exceeds 30 inches (762 mm) in developed length measured horizontally or 54 inches (1372 mm) in total developed length shall be trapped. Indirect waste pipes shall not exceed 15 feet (4572 mm) in total length and shall be provided with cleanouts at every 90 degree (1.57 rad) turn.
Exception: Where a waste receptor receives only clear-water waste and does not directly connect to a sanitary drainage system, the receptor shall not require a trap.
(Amend Coun. J. 10-14-21, p. 37722, Art. VIII, § 1)