1. Bidding conditions: The project of hardening and drainage of back streets and alleys in Zhangbei County in 2025 (project name) has been approved for construction by the Zhangbei County Administrative Approval Bureau (name of project approval, verification or filing authority) under the approval of Zhangbei Xingshen Tendering Approval Letter [2025] 010 and Zhangbei Xingshen Item [2025] 186 (name and number of approval documents). The project owner is Zhangbei County Housing and Urban Rural Development Bureau, and the construction funds come from the proposed higher-level funds (source of funds). The project contribution ratio is 100.00%, and the bidder is Zhangbei County Housing and Urban Rural Development Bureau. The project has met the bidding conditions and is now open for bidding for construction. 2. Project Overview and Bidding Scope 2.1 Project Overview:?????????? Project Overview: The total investment of this project is 11 million yuan, of which the estimated cost of construction and installation engineering is 8.99808111 million yuan; Construction scale: 1. Yangjiaying area: The road is 900 meters long and the hardened area is 3800 square meters; Lay a drainage pipeline of 900 meters, using HDPE double wall corrugated pipes with a diameter of DN500; Install 30 large solar street lights. Lay 500 square meters of sidewalk bricks. 2. Yongtai area: The road is 453 meters long and has a hardened area of 1700 square meters; Lay a drainage pipeline of 520 meters, using HDPE double wall corrugated pipes with a diameter of DN500; Install 15 solar street lights. 3. Yonghe Street area: The road is 3100 meters long and the hardened area is 9100 square meters; Lay a drainage pipeline of 1900 meters, using HDPE double wall corrugated pipes with a diameter of DN500; Install 105 solar street lights. 4. West side roadway of the power company: the road is 210 meters long and has a hardened area of 1300 square meters; Lay a drainage pipeline of 210 meters, using HDPE double wall corrugated pipes with a diameter of DN500; Install 7 solar street lights. 5. West Zone: The road is 1100 meters long and has a hardened area of 3600 square meters; Lay a drainage pipeline of 1100 meters, using HDPE double wall corrugated pipes with a diameter of DN500; Install 40 solar street lights. Construction location: Zhangbei County, Zhangjiakou City. Planned construction period: From the date of signing the contract to the end of August 2025 (subject to the specific provisions of the construction contract signed by both parties). Quality standard: Qualified and in compliance with the current national construction acceptance specifications and standards. Other: Qualification review method: Post qualification review; Section division: Section 1 (West Side Alley and Yongtai Area of Power Supply Company), Section 2 (Yangjiaying Area), Section 3 (Yonghe Street Area), and Section 4 (West Number Area). Potential bidders who meet the bidding qualifications can bid for the four sections of the project, but in order to ensure project quality and construction progress, potential bidders who meet the bidding qualifications can only become the first winning candidate for one of the sections. The evaluation order of this bidding project is Section 1 (West Side Alley and Yongtai Area of Power Supply Company), Section 2 (Yangjiaying Area), Section 3 (Yonghe Street Area), and Section 4 (West Number Area). If a bidder has been identified as the first candidate for winning the bid in the previous section, they will automatically lose their qualification as the first candidate for winning the bid in other sections