Bid security account for the first section of the Yanchang County Urban Area Water Supply, Gas and Drainage Pipeline Improvement Project (Design): Agricultural Bank of China Yan'an Qilipu Branch Business Department: 2690270104001742000002195; Bid security account for the second section of the Yanchang County Urban Area Water Supply, Gas and Drainage Pipeline Improvement Project (Design): Yan'an Qilipu Branch Business Department of Agricultural Bank of China Limited: 2690270104001742000002207; Payee: Yan'an Public Resource Trading Center Bid Deposit Special Account 1. Bidding Conditions This bidding project has been approved by the Yanchang County Administrative Approval Service Bureau for the construction of the Yanchang County Urban Water Supply, Gas and Drainage Network Upgrading and Renovation Project (Design) with the approval of the "Feasibility Study Report on the Yanchang County Urban Water Supply, Gas and Drainage Network Upgrading and Renovation Project" (Changxing Shenfa [2025] No. 73). The funding source is from the application for provincial subsidies and county financial support. The bidder is Yanchang County Housing and Urban Rural Development Bureau, and the bidding agency is Shaanxi Jiaxin Daxin Project Management Co., Ltd. The project has met the bidding conditions and is now open for bidding. 2. Project Overview and Bidding Scope 2.1 Construction Location: Yanchang County urban area. 2.2 Project Scale: This project is located in the central urban area of Yanchang County, mainly to solve the problems of domestic water supply, gas supply, drainage pipe network, and related ancillary facilities construction for six channels including Dananmigou, Xiaonanyao, Xihezigou, Xiaodougou, Baidaomu, and Sijiahekou in Yanchang County. Among them, 2279 meters of water supply pipelines and 7740 meters of water supply service pipes have been added; Add 5826 meters of gas pipeline; Rainwater pipeline 5210 meters; Restoration of 37225 square meters of road surface; Installation of supporting pipeline network facilities, etc. 2.3 Scope of bidding: scheme design, preliminary design (including budget proposal), construction drawing design, related auxiliary work, follow-up technical services and other related work. 2.4 Estimated total investment: 87.8294 million yuan; 2.5 Service cycle: 25 calendar days; 2.6 Section division: divided into 2 design sections; Section 1: Add 2279 meters of water supply pipelines and 7740 meters of water supply service pipes; Rainwater pipeline 5210 meters; Restoration of 37225 square meters of road surface; The total estimated investment for the installation of supporting pipeline facilities and the construction of related ancillary facilities is 65.3135 million yuan; Section 2: Construction of 5826 meters of new gas pipelines and related ancillary facilities, with an estimated total investment of 22.5159 million yuan. 3. Qualification Requirements for Bidders 3.1 Section 1: Bidders must possess Class B or higher qualifications in the municipal industry (water supply engineering, drainage engineering), and have corresponding design capabilities in personnel, equipment, funds, and other aspects; The proposed project leader must possess valid national registered professional qualifications for public equipment (water supply and drainage) or relevant professional senior technical titles, and be an employed employee who has paid social security in the unit; 3.2 Section 2: Bidders must possess Class B or above qualifications in the municipal industry or in the municipal industry (urban gas engineering), and have corresponding design capabilities in personnel, equipment, funds, etc; The proposed project leader must possess effective skills