1.0.1 This standard was established to ensure the implementation of national technical and economical policy, application of state-of-art technology, economic feasibility, safety, and construction quality in the structural design for buried prestressed concrete pipeline of water supply and sewerage engineering.
1.0.2 This standard is applicable to structural design of buried prestressed concrete pipeline of water supply and sewerage engineering.
1.0.3 This standard was prepared in accordance with principles specified in the current national standard "Structural Design Code for Pipelines of Water Supply and Waste water Engineering" GB 50332.
1.0.4 In addition to this standard, the structural design for prestressed concrete pipelines and prestressed steel cylinder concrete pipelines, which are buried in such special regions as seismic area, collapsible loess area or swelling soil area, shall also meet provisions in the related current national standards.
