Pre qualification Announcement for Water Conservancy Section of Hongshi River Basin (Zengjia Town Section) in Zhenping County, Ankang City 1. Bidding Conditions: The water conservancy section of Hongshi River Basin (Zengjia Town Section) in Zhenping County, Ankang City has been approved for construction by the Development and Reform Bureau of Zhenping County under the documents Zhenfa Gaifa [2023] No. 356 and Zhenfa Gaifa [2025] No. 77. The tenderer is Zhenping Branch of the Ecological Environment Bureau of Ankang City, and the construction funds come from the central water pollution prevention and control funds. The bidding agency is Aotang Group Co., Ltd. The project has met the bidding conditions and is now open for bidding. We cordially invite potential bidders (hereinafter referred to as applicants) who are interested to submit pre qualification applications. 2. Project Overview and Bidding Scope 2.1 Construction Site: The construction site of Section 1 is Jinping Village, Zengjia Town; The construction site of the second section is Yuping Village, Zengjia Town; The construction site of the third section is the upper section of Wuxing Village in Zengjia Town; The construction site of the fourth section is the lower section of Wuxing Village in Zengjia Town (konjac factory); The construction sites for the fifth section are Hongwei Village and Taohua Village in Zengjia Town. 2.2 Project Scale: 2.2.1 The main construction content of the first section of construction includes: Group 7 and Group 8: ecological revetment with gabion, with a length of 605m; Group 5: ecological revetment with gabion, with a length of 772m; Group 6: ecological revetment with M10 masonry, with a length of 521 meters. The main construction contents of Section 2.2.2 of the construction include: 400m of gabion ecological revetment, 400m of vegetation concrete ecological revetment, 400m of ecological buffer zone (ecological trail) length, and completion of supporting ecological green plants on the bank slope. The main construction content of Section 2.2.3 includes 422m of M10 masonry ecological revetment, 1495m2 of vegetation concrete ecological revetment, 451 ㎡ of ecological buffer zone (ecological trail), and supporting completion of ecological vegetation on the bank slope. The main construction contents of Section 2.2.4 of the construction include: 771m M10 mortar masonry ecological revetment, 1836m2 vegetation concrete ecological revetment, and supporting completion of ecological vegetation on the bank slope. 2.2.5 The main construction content of the fifth section of the construction includes: a total length of 954m for the design of the gabion ecological revetment, supporting completion of ecological green plants on the bank slope, and 86m of M10 mortar stone ecological revetment for Taohua Village. 2.3 Total project investment: 13595349.67 yuan (the bidding amount for this tender is 13595349.67 yuan); 2.4 Planned construction period: 365 calendar days; 2.5 Section division: This project is divided into five construction sections. Section Name: Water Conservancy Section 1 of Hongshi River Basin (Zengjia Town Section) Water Ecological Protection and Restoration Project in Zhenping County, Ankang City (Ecological Bank Protection and Ecological Buffer Zone Project in Jinping Village); The engineering investment is 2443031.11 yuan. Section Name: Water Conservancy Section 2 of Hongshi River Basin (Zengjia Town Section) Water Ecological Protection and Restoration Project in Zhenping County, Ankang City (Yuping Village Ecological Bank Protection and Ecological Buffer Zone Project); The engineering investment is 920954.10 yuan. Section Name: Water Conservancy Section 3 of Hongshi River Basin (Zengjia Town Section) Water Ecological Protection and Restoration Project in Zhenping County, Ankang City (Ecological Bank Protection and Ecological Buffer Zone Project in the Upper Section of Wuxing Village); The engineering investment is 3465534.61 yuan. Section Name