The bidding announcement for the supervision of the renovation and renovation project of the old pipelines in the Nan Chang Street and Zhonghua Street sections of the Qiaoxi Sewage Treatment Plant is as follows: 1. Bidding conditions. The supervision of the renovation and renovation project of the old pipelines in the Nan Chang Street and Zhonghua Street sections of the Qiaoxi Sewage Treatment Plant has been approved for construction by the Shijiazhuang Municipal Administrative Approval Bureau with the approval of the Shi Xing Shen Investment [2025] No. 22. The project owner is the Shijiazhuang Municipal Construction Service Center, and the construction funds come from the government, with a contribution ratio of 100%. The bidder is the Shijiazhuang Municipal Construction Service Center. The project has met the bidding conditions and is now open for bidding for the supervision of the project. 2、 Project Overview and Bidding Scope 2.1 Project Overview: Main Construction Content and Scale: (1) Renovation of the rainwater and sewage pipeline network and supporting drainage facilities at the intersection of Yuhua Road and Nanchang Street. A new 3x1.8 (3.3) m rainwater tunnel of about 55 meters, a 1.8x1.8 (2.7) m sewage tunnel of about 72 meters, a 3.6x2.5m rainwater ditch of about 17 meters, a 3x2 rainwater ditch of about 10 meters, a DN1200 sewage pipeline of about 6 meters, and a DN1400 sewage pipeline of about 79 meters will be built; (2) Improve the drainage network of Nanchang Street, construct approximately 120 meters of 3.6x2.5m rainwater ditches and 126 meters of DN1400mm sewage pipes; (3) Rainwater and sewage diversion in Zhanqian Street (Ziqiang Road Yuhua Road) section, new DN1200mm rainwater pipeline of about 65 meters, DN1600mm rainwater pipeline of about 236 meters, DN1800mm rainwater pipeline of about 532 meters, new DN1000mm sewage pipeline of about 22 meters, and new DN700mm sewage pipeline of about 25 meters; (4) A new steel dam will be built at the Minxin River Jingda Sluice; (5) Improve the drainage network at the intersection of Xinhua Road and Kilometer Street, and construct approximately 98 meters of DN800mm rainwater pipes; (6) Improve the drainage network at the intersection of Zhongshan Road and Kilometer Street, and construct approximately 30 meters of DN1000mm rainwater pipes; (7) Improve the drainage network of Yuhua West Road auxiliary road, construct approximately 67 meters of DN600mm rainwater pipeline and approximately 35 meters of DN500 sewage pipeline; (8) Upgrading and renovation of the drainage network in Taihua Street, with the construction of approximately 267 meters of DN1000mm rainwater pipes, 12 meters of DN1200mm rainwater pipes, 22 meters of DN1400mm rainwater branch pipes, 428 meters of DN1500mm rainwater pipes, 704 meters of WXH=2000mmx2000mm rainwater square ditches, 383 meters of WXH=2600mmmx2000mm rainwater square ditches, 272 meters of WXH=2900mmx2000mm rainwater square ditches, and 194 meters of WXH=3200mmx22000mm rainwater square ditches; Construct approximately 1862 meters of DN500mm sewage pipeline, 581 meters of DN700mm sewage pipeline, and embed approximately 9 meters of DN600mm sewage branch pipe; (9) Renovation of sewage pipelines on both sides of the Shitai Railway on Zhonghua Street, non excavation repair of the sewage pipeline on the east side of Zhonghua Street (Berlin South Road Juxin Road), with a length of approximately 447.8 meters; Replace the severely damaged section of the sewage pipeline, which is approximately