1. Bidding conditions: The construction of the rainwater and sewage diversion project for existing residential communities and road pipelines in Weiyang District has been approved for construction by the Development and Reform Commission of Weiyang District, Xi'an City with the approval number of Weifa Gaifa [2024] No. 72. The project owner is the Housing and Urban Construction Bureau of Weiyang District, Xi'an City. The project funds come from state-owned holding projects, and the project contribution ratio is 100.00% of state-owned funds. The bidder is the Housing and Urban Construction Bureau of Weiyang District, Xi'an City, and the bidding agency is Shaanxi Zhongcheng Letter Management Consulting Co., Ltd. The project has met the bidding conditions and is now open for bidding. 2. Project Overview 2.1 Project Scale: This project is divided into two sub projects, involving the renovation of 80 existing residential areas and three municipal roads for rainwater and sewage diversion. It mainly includes the rainwater and sewage diversion renovation projects within the red line of existing residential communities and the rainwater and sewage diversion renovation projects of three road networks including Taikang North Lane; 2.2 Project Location: The project is located within the jurisdiction of Weiyang District, Xi'an City, involving 80 residential areas and three roads: Taikang North Lane, Yanhe West Lane, and Fengcheng South Road East Section.; 2.3 Total project investment: 49924025 yuan; 2.4 Section Division: Section Name: Construction of Rainwater and Sewage Diversion Project for Existing Residential Communities and Road Networks in Weiyang District; Section number: N6101123506GriIVLNv0001； Section type: Construction; 2.5 Bidding Scope: Section Name: Construction of Rainwater and Sewage Diversion Project for Existing Residential Communities and Road Pipeline Networks in Weiyang District. Section Name: Construction of Rainwater and Sewage Diversion Project for Existing Residential Communities and Road Pipeline Networks in Weiyang District. The scope of this bidding includes the construction of all construction projects within the red line of the existing residential communities and the three road pipeline network rainwater and sewage diversion renovation projects, including Taikang North Lane, until the completion acceptance is qualified and the overall handover is completed. The project is responsible for defect repair and warranty work during the warranty period, and is responsible for the preparation, organization, and summary of completion data, as well as related coordination work. For specific details, please refer to the construction drawings, bill of quantities, and bidding documents; 2.6 Other: The bid security deposit for this project is 100000.00 yuan (in words: RMB one hundred thousand yuan), and all forms of security deposit that comply with relevant national regulations are accepted for payment (including but not limited to cash transfer, bank guarantee, guarantee issued by engineering guarantee companies or engineering guarantee insurance policies issued by insurance institutions, etc.). Electronic guarantee payment is encouraged, and specific requirements shall be implemented in accordance with the requirements of the Xi'an Public Resource Trading Center Engineering Construction Trading Platform (no bid security deposit is required during the pre qualification stage).. 3. Qualification Requirements for Applicants 3.1 Section Name: Construction of Rainwater and Sewage Diversion Project for Existing Residential Communities and Road Networks in Weiyang District. This pre qualification review requires applicants to have the qualification of "Second level General Contracting for Municipal Public Works Construction" or above, and to have corresponding capabilities in personnel, equipment, funds, etc. Among them, the bidder intends to appoint a project manager with the qualification of Registered Constructor Level 1 or above (in the field of municipal public works), a valid safety production assessment certificate (Construction Safety B Certificate), registered in this unit, and not serving as a project manager for other ongoing construction projects. 3.2 Section Name: Existing Residential Communities and Road Network in Weiyang District