（1） Name of Entrusting Unit: Yan'an Water Environmental Protection Group Water Co., Ltd. (II) Public Selection of Intermediary Agency Method: Bidding Selection (III) Intermediary Service Content: Compilation of Bill of Quantities and Maximum Price Limit, Cost Consulting. （4） Service time limit: 90 days (5) Service fee: Maximum: 107100 yuan (6) Intermediary service subject Basic information: Construction scale and main content: Replacement and renovation of water supply pipelines, construction of valve wells, and other projects in 30 locations, including Yaodian Middle School to the breeding farm, Huangwangou Kou to Longwan Tunnel South, Yinjiagou Kou to Petroleum Community, etc. （1） The renovation of the water supply network covers a total of 11.56km, including 3km of DN110 water supply pipes, 0.61km of DN160 water supply pipes, 3.47km of DN200 water supply pipes, 2.53km of DN400 water supply pipes, and 1.95km of DN500 water supply pipes. The pipes for DN400 and DN500 water supply pipes are made of ductile iron, while the pipes for the rest of the water supply pipes are made of PE pipes; （2） 152 new inspection wells will be built, including 49 1.3m * 1.3m reinforced concrete wells, 27 1.1m * 1.1m reinforced concrete wells, 42 1.5m * 2m reinforced concrete wells, 18 1.2m * 1.2m reinforced concrete wells, 14 Φ 1m circular concrete block wells, 2 reinforced concrete rectangular non-standard wells, as well as supporting valves, pipe fittings, and installation of intelligent fire hydrants. （7） Intermediary agencies (qualifications): Cost consulting (8) Qualification requirements for practitioners: 2 registered cost engineers (9) Project performance requirements: No performance requirements (10) Service quality commitment: Intermediary agencies participating in the registration must fully respond to the content and registration conditions of this announcement. （11） Registration start time: 09:00:00 on May 6, 2025 (12) Registration end time: 09:00:00 on May 8, 2025 (13) Bidding start time: 09:00:00 on May 8, 2025 (14) Bidding end time: 09:00:00 on May 9, 2025 (15) Public selection time: 09:00:00 on May 9, 2025 to 09:00:00 on May 11, 2025 (16) Public selection location: 2nd floor, Building 7, Yan'an New District People's Service Center (17) Avoidance situation: The legal representative or actual controller of different intermediary agencies is the same person; The legal representative or actual controller of the intermediary agency has a spouse, direct blood relationship, collateral blood relationship within three generations, or close in law relationship with the legal representative or project leader of the entrusted unit; Intermediary agencies and commissioning units are currently undergoing legal proceedings; （18） Contact person: Li Wei (19) Contact phone number: 16609117175