Chapter 3 — GENERAL REGULATIONS
310.11 [OSHPD 1, 2, 3, 4 & 5] — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-19 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Plumbing Code (Title 24, Part 5) § 310.11 · Effective January 1, 2026 · Official source: Building Standards Commission
Drainage piping over oper- ating and delivery rooms, nurseries, food preparation cen- ters, food-serving facilities, food storage areas, compounding ante and buffer rooms and other sensitive areas shall be kept to a minimum and shall not be exposed. Special precautions shall be taken to protect these areas from possible leakage from necessary overhead drainage piping systems. Piping over switchboards, panel boards, and motor control centers are subject to restrictions of the California Electrical Code where applicable.
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