A new requirement with
NFPA 99 – 2018:
System inspections shall be performed prior to concealing piping distribution systems in walls, ceilings, chases, trenches, underground, or otherwise hidden from view. (5.1.12.3.1.1)
Inspections shall be conducted by a party technically competent and experienced in the field of medical gas and vacuum pipeline inspections and testing and meeting the requirements of an ASSE 6020, or ASSE 6030. (5.1.12.3.1.3)
Inspections shall be performed by a party other than the installing contractor. (5.1.12.3.1.4)
The presence and correctness of labeling and valve tagging required by this code for all concealed components and piping distribution systems shall be inspected. (5.1.12.3.2.2)
