Chapter 13 — HEALTH CARE FACILITIES AND MEDICAL GAS AND MEDICAL VACUUM SYSTEMS
1323.13 Labeling, Identification and Operating Pres-sure — 2025 California Plumbing Code
California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-09-25 · 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) § 1323.13 · Effective January 1, 2026 · Official source: Building Standards Commission
sure. Color and pressure requirements shall be in accordance with Table 1305.1. [NFPA 99:5.1.11]
1323.13.1 Pipe Labeling. Piping shall be labeled by stenciling or adhesive markers that identify the patient medical gas, the medical support gas, or the vacuum system and include the following:
(1) Name of the gas or vacuum system or the chemical symbol per Table 1305.1.
(2) Gas or vacuum system color code per Table 1305.1.
[NFPA 99:5.1.11.1.1]
1323.13.2 Pipe Pressure Labeling. Where positive pressure gas piping systems operate at pressures other than the standard gauge pressure in Table 1305.1, the operating pressure in addition to the name of the gas shall be labeled. [NFPA 99:5.1.11.1.2]
1323.13.3 Location of Pipe Labeling. Pipe labels shall be located as follows:
(1) At intervals of not more than 20 feet (6096 mm).
(2) At least once in or above every room.
(3) On both sides of walls or partitions penetrated by the piping.
(4) At least once in every story height traversed by risers. [NFPA 99:5.1.11.1.4]
1323.13.4 Paint. Medical gas piping shall not be painted. [NFPA 99:5.1.11.1.5]
Get a plain-English answer with a citation back to this text.
Ask AI about this code