This regulation requires that whenever modifications breach a medical gas or vacuum pipeline, all necessary installer and verification tests specified under NFPA 99 must be conducted on the downstream portion of the affected system. Permanent records of all required system verification tests must be maintained. This is a facility infrastructure/safety standard applicable to settings that use piped medical gas and vacuum systems.
View official sourceK910 Gas and Vacuum Piped Systems – Modifications Whenever modifications are made that breach the pipeline, any necessary installer and verification test specified in 5.1.2 is conducted on the downstream portion of the medical gas piping system. Permanent records of all tests required by system verification tests are maintained. 5.1.14.4.1, 5.1.14.4.6, 5.2.13, 5.3.13.4.3 (NFPA 99)