Investment Project Code 2409-440981-01-953286 Investment Project Name Gaozhou Chengdong Industrial Park Rainwater and Sewage Pipe Network Protection Project Bidding Project Name Gaozhou Chengdong Industrial Park Rainwater and Sewage Pipe Network Protection Project Construction Section (Package) Name Gaozhou Chengdong Industrial Park Rainwater and Sewage Pipe Network Protection Project Construction Announcement Nature Normal Qualification Review Method Qualification Post review Bidding Project Implementation (Delivery) Location Gaozhou Chengdong Industrial Park Fund Source Gao Fa Gai Tou Shen [2024] No. 112 Fund Source Composition Government Bond Funds and Local Financial Funds Bidding Scope and Scale Bidding Scope: The construction content includes the construction of 1348 meters of new retaining walls and 231 meters of new rainwater box culverts. （1） A new C25 retaining wall of 200 meters will be built on the left bank section 01 (A0+000~A0+200) of the Xieji River bank (towards the left bank of Gaochang Road) using gravity concrete, with a top width of 0.5 meters and a height of 4 meters. A temporary cofferdam of 210 meters will be built using soil stacking method. （2） A 100 meter C25 retaining wall will be built on the left bank section 02 (A0+245~A0+345) of the Xieji River bank (towards the left bank of Gaochang Road) using gravity concrete, with a top width of 0.5 meters and a height of 4 meters. A temporary cofferdam of 110 meters will be constructed using soil stacking method. （3） A new C25 retaining wall of 434 meters (using gravity concrete, with a top width of 0.5 meters and a height of 4 meters) will be built on the left bank section 03 (section B0+000~B0+440) of the Xieji River bank (towards Gaochang Road), and a temporary cofferdam of 460 meters (using soil stacking method for dam construction) will be constructed. （4） A 342 meter C25 retaining wall (made of gravity concrete, with a top width of 0.5 meters and a height of 4 meters) will be built on the left bank of the Xieji River (towards Gaochang Road) in section 04 (C0+000~C0+342), and a temporary cofferdam of 365 meters will be constructed using soil stacking method. （5） A 124 meter C25 retaining wall will be built on the left bank of section 05 (D0+000~D0+124) of the Xieji River bank (towards the left bank of Gaochang Road) using gravity concrete, with a top width of 0.5 meters and a height of 4 meters. A temporary cofferdam of 148 meters will be constructed using soil stacking method. （6） A new C25 retaining wall of 148 meters (using gravity concrete, with a top width of 0.5 meters and a height of 3 meters) will be built on the left bank section 06 (E0+000~E0+148) of the Xieji River bank (north side left bank section of the sewage treatment plant in Chengdong Industrial Park), with a lawn slope protection of 148 meters and a temporary cofferdam of 172 meters (using soil stacking dam method). （7） A new 231 meter C30 reinforced concrete rainwater tank culvert (with a clearance of 3 meters x 3 meters and a wall thickness of 0.5 meters) will be built on the left bank of the retaining wall at section 07 (K0+000~K0+231) of the Xieji River bank (spanning Xingye Road to Xieji River). The rainwater tank culvert is a single hole rectangular box culvert. Tender scale: The estimated total investment for the project is 13.2884 million yuan, and the tender control price is (RMB) 10737835.77 yuan. The bidding content of this project is construction bidding, including civil engineering and projects