1.0.1 This specification was formulated with a view to making the engineering design, construction and acceptance of buried polyethylene (PE) water supply pipeline achieve the advanced technology and be safe, hygienic, economic and feasible and convenient for construction.
1.0.2 This specification is applicable to the engineering design, construction and acceptance of buried polyethylene water supply pipeline of which the water temperature is no greater than 40℃ and the working pressure is no greater than 1.0MPa.
1.0.3 In addition to this specification, the engineering design, construction and acceptance of buried polyethylene water supply pipeline still shall comply with those specified in the relevant current compulsory standards of the State.