1) The civil engineering of each building project is divided into sub-projects according to the main components of the design; the metal structure, hoist and electromechanical equipment installation project is based on the Ministry of Water Resources' "Water Conservancy and Hydropower Capital Construction Engineering Unit Project" Quality Grade Assessment Standards" (SDJ249-88) (hereinafter referred to as the "Ministry of Water Resources Assessment Standards") divides projects into divisions. For details on the division of common hydraulic building projects in our province, see Appendix A.

2) River and embankment projects: Divide each unit project into several sections, and each section is regarded as a section project. If river excavation is combined with embankment construction and protection projects are included, the excavation, embankment filling, and protection projects for each section of the river can be treated as a separate project. The mud dump or spoil area with quality requirements can be treated as a separate sub-project.

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