AWWA C623-22

The purpose of this standard is to provide the minimum requirements for the materials and installation of CIPP systems for the rehabilitation of existing potable water mains 4 in. (100 mm) in diameter and larger. The standard includes materials, inspection and preparation of mains for CIPP installation and curing, testing and verification requirements. This standard can be referenced for the rehabilitation of existing potable or source water mains by installation of CIPP systems requiring NSF/ANSI/CAN 61. The stipulations of this standard apply only when this document has been referenced and then only to CIPP systems.