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PC 412 — Floor and Trench Drains

New York City Administrative Code (current through L.L. 2026/147, enacted September 12, 2026, and amendments effective through October 10, 2026) · NYC Plumbing Code § PC 412

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Section PC 412: Floor and Trench Drains

412.1 Approval. Floor drains shall conform to ASME A112.3.1, ASME A112.6.3 or CSA B79. Trench drains shall comply with ASME A112.6.3. 412.2 Floor drains. Floor drains shall have removable strainers. The floor drain shall be constructed so that the drain is capable of being cleaned. Access shall be provided to the drain inlet. Ready access shall be provided to floor drains. Exception: Floor drains serving refrigerated display cases shall be provided with access. 412.3 Size of floor drains. Floor drains shall have a drain outlet not less than 3 inches (76 mm) in diameter. 412.4 Public laundries and central washing facilities. In public coin-operated laundries and in the central washing facilities of multiple-family dwellings, the rooms containing automatic clothes washers shall be provided with floor drains located to readily drain the entire floor area. Such drains shall have an outlet of not less than 3 inches (76 mm) in diameter and be provided with lint strainers.