This standard specifies the terms and definitions, symbols and abbreviations, classification and marking, basic requirements, technical requirements, test methods, inspection rules, Marking, packaging, shipping and storage and quality commitments. This standard is applicable to copolymer polypropylene plastic inspection wells and well bases used for urban and rural drainage and sewage discharge, the depth of the well bottom is not more than 6 m, and the diameter of the buried pipe is not more than 600 mm.
T/ZZB 0804-2018 history
2018T/ZZB 0804-2018 Co-polypropylene plastic inspection well for urban and rural drainage-well seat