1. Bidding conditions: The shielding project for the high-voltage test hall of the Science and Technology Industry Base (Phase V) of State Grid Shaanxi Electric Power Co., Ltd. has been approved for construction by the Administrative Approval Service Bureau of the Xi'an National Civil Aerospace Industry Base Management Committee at 2404-610159-04-01-381470. The project owner is State Grid Shaanxi Electric Power Co., Ltd. Electric Power Science Research Institute, and the project funds come from a state-owned holding project, with a project investment ratio of 100.00% of state-owned funds. The bidders are the Electric Power Science Research Institute of State Grid Shaanxi Electric Power Co., Ltd. and China Construction Third Engineering Bureau Group Co., Ltd. The bidding agency is Shaanxi Procurement and Tendering Co., Ltd. The project has met the bidding conditions and is now open for bidding. 2. Project Overview 2.1 Project Scale: The shielding project of the High Voltage Test Hall of State Grid Shaanxi Electric Power Research Institute consists of two parts: the six sided shielding layer of the High Voltage Test Hall and its supporting control room. The building has a height of 40.800m, a net height of 36m, and a span of 48m, and is used to undertake ultra-high voltage and extra high voltage test tasks of 750kV and above. The shielding effectiveness of the experimental hall is required to be no less than 70dB within 0.15-1.6MHz, the shielding effectiveness of the control room is required to be no less than 30dB within 0.15-1.6MHz, and the reverberation time of the hall is less than 5s at 400Hz. The project covers an area of 3113.65 square meters and has a building area of 3254.14 square meters; 2.2 Project Location: 669 Aerospace Middle Road, Xi'an City, Shaanxi Province.; 2.3 Total project investment: 58060000 yuan; 2.4 Section Division: Section Name: Shielding Engineering for High Voltage Test Hall Building Project of State Grid Shaanxi Electric Power Research Institute Science and Technology Industry Base (Phase V); Lot number: E6101163506cZ4uJz4Fc001; Section type: Construction; 2.5 Bidding Scope: Section Name: Shielding Project for High Voltage Test Hall of State Grid Shaanxi Electric Power Research Institute Science and Technology Industry Base (Phase V), including but not limited to ground shielding network, wall top shielding plate, shielding gate, shielding small door, control room floor, wall, top decoration and supporting waveguide windows, filters, etc. Please refer to the bill of quantities and construction drawings for details.; 2.6 Other: The estimated cost for this bidding project is approximately 5.55 million yuan.. 3. Applicant Qualification Requirements 3.1 Section Name: Shielding Engineering for High Voltage Test Hall Building Project of State Grid Shaanxi Electric Power Research Institute Science and Technology Industry Base (Phase V). This pre qualification requires the applicant to have the qualifications of "Level 3 Professional Contracting for Building Mechanical and Electrical Installation Engineering" or above and "Level 2 Professional Contracting for Electronic and Intelligent Engineering" or above, and to have corresponding abilities 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 construction engineering or mechanical and electrical engineering) and a safety production assessment certificate, who is registered in the unit and has not served as a project manager for other ongoing projects. 3.2 Section Name: High Voltage Test Hall of State Grid Shaanxi Electric Power Research Institute Science and Technology Industry Base (Phase V)