1. Bidding Conditions 1.1 Project Name: G4231 Nanjing Jiujiang Expressway and County to Wuwei Section Construction Supervision Director's Office 1.2 Project Approval, Approval or Filing Authority Name: Anhui Provincial Development and Reform Commission 1.3 Approval Document Name and Number: "Anhui Provincial Development and Reform Commission's Approval of G4231 Nanjing Jiujiang Expressway and County to Wuwei Section Project" (Anhui Development and Reform Foundation [2024] No. 678) 1.4 Bidder: CCCC First Highway (Anhui) Construction Investment Co., Ltd. 1.5 Project Owner: CCCC First Highway (Anhui) Construction Investment Co., Ltd. 1.6 Source of Funds: Enterprise Self raised 1.7 Project Contribution Ratio: 100% 1.8 Fund Implementation Status: Implemented 2. Project Overview and Bidding Scope 2.1 Bidding Project Name: G4231 Nanjing Jiujiang Expressway and Hexi Wuwei Section Construction Supervision - Director's Office 2.2 Tender Project Number: E34010100012300350012.3 Tender Project Section Number: 2025AFABZ00905. 2.4 Construction Site: Wuhu City, Ma'anshan City, Anhui Province 2.5 Construction Scale: G4231 The Nanjing Jiujiang Expressway and the Hexi Wuwei section are important components of the Nanjing Jiujiang Expressway planned in the National Highway Network Plan (2022-2035). The project starts from the Laoqiao Hub in the northwest of Laoqiao Town, He County, Ma'anshan City, intersects with the G4221 Huwu Expressway, and ends at the S30 Tongshang Expressway, connecting smoothly with the Wuwei Anqing section of the G4231 Nanjing Jiujiang Expressway under construction, spanning two prefecture level cities, Wuhu and Ma'anshan. The recommended route length is 68.778 kilometers, and it is planned to be constructed according to the standard of a two-way four lane expressway. The design speed is 120 km/h, the roadbed width is 27 meters, and the estimated total investment amount is 11272.95 million yuan. 2.6 Estimated contract price: 10.8 million yuan (including a provisional deposit of 500000 yuan) 2.7 Estimated commencement date and construction period of the bidding project: The planned service start date is April 2025 (specific time subject to the contract provisions), with a construction period of 36 months. 2.8 Construction and installation engineering cost/estimated investment amount: 68828.8 million yuan. 2.9 Planned Supervision Service Period: The total service period for construction supervision is 66 months (approximately 2008 days) (including 6 months of construction preparation period, 36 months of construction period, 24 months of acceptance and defect liability period), subject to the actual construction situation. 2.10 Bidding Scope and Section Division: This bidding includes one office of the Chief Supervising Engineer. The main job responsibilities are as follows: section name, mileage, starting and ending pile numbers/section work content. The Chief Supervising Engineer's Office (NJ-ZJB) provides supervision services for the entire construction drawing scope of the entire line, including roadbed, pavement, bridges and culverts, prefabricated components, building construction, mechanical and electrical engineering, traffic safety facilities, greening, environmental protection, off line engineering, pole (pipe) relocation, proxy construction engineering, road modification, ditch modification, etc., as well as supervision services for handover, completion, defect liability period and other stages. 2.11 Project Category: Engineering Services 2.12 Other:/. 3. Qualification Requirements for Bidders 3