This standard specifies the materials, requirements, test methods, inspection rules, marking, packaging, transportation and storage of high-density polyethylene drainage pipes for trenchless laying. This standard applies to high-density polyethylene pipes for urban pressureless drainage that are laid without excavation and the temperature of the transmission medium does not exceed 40°C.
CJ/T 358-2010 history
2019CJ/T 358-2019 Polyethylene pipes for non-excavation laying works
2010CJ/T 358-2010 High density polyethylene (HDPE) sewer pipes for trenchless installation