Potential suppliers for engineering projects such as internal renovation and laboratory renovation of the Science Building at Beijing University of Science and Technology should register online (see "Other Supplementary Matters" for specific details) to obtain comparison documents and submit response documents before 9:30 am on May 8, 2025 (Beijing time). 1、 Project Overview 1. Project Number: XHTC-GC-2025-01172. Project Name: Internal Renovation and Laboratory Renovation of the Science Building at Beijing University of Science and Technology 3. Budget Amount: 8999999 yuan 4. Maximum Price Limit: 8999999 yuan. 6. Procurement scope: All projects within the scope of comparison documents, design drawings, and bill of quantities. (1) Quality requirements for PVC flooring: thickness ≥ 3.0mm, material, color, style, etc. to be determined by the tenderer; The performance requirements for PVC flooring are shown in the table below (including but not limited to the following), and other performance requirements meet the requirements of GB/T11982-2015; After the materials enter the site, they can only be constructed after being tested and qualified by a professional testing agency commissioned by the tenderer. The bidding documents must provide product performance testing reports. Number Test Item Index 1 Unit Area Mass Deviation/% -10 ≤ Express Value ≤+132 Longitudinal and Transverse Heating Size Change Rate/% ≤ 0.403 Heating Warping/mm ≤ 44 Bending No Cracking 5 Color Fastness/Grade ≥ 66 Residual Depression/mm ≤ 0.107 Wear Resistance (Volume Loss)/mT Grade ≤ 2.08 Wear resistant Layer Thickness ≥ 0.65mm 9 Hazardous Substance Limit in accordance with GB1856810 Combustion Performance Not lower than B1 Level (2) The bathroom adopts U-shaped aluminum grille ceiling, with white spray coating on the surface, wall thickness ≥ 0.6mm, and matching painted light steel keel. The winning bidder (construction unit) shall provide samples after entering the site, and can only process and place orders after confirmation by the tenderer. (3) Finished solid wood composite baked paint door (specific color and style to be determined by the tenderer), including stainless steel hardware, door locks (including handles), etc. The lock brand refers to well-known domestic first-line brands such as "Dinggu", "Bailemen", "Naichi", "Jianlang", etc., and the quality standards comply with national and industry standards. (4) The windows are made of 65 series insulated aluminum alloy profiles with broken bridges. The surface of the aluminum profiles is powder coated, and the wall thickness of the profiles is ≥ 1.4mm. They are equipped with 6+12A+6 insulated glass, and the heat transfer coefficient K is ≤ 2.4W/(m2 · k); The brand and quality of profiles refer to Peace Aluminum, Zhonghao Aluminum, Shandong Huajian, etc., while the brand and quality of hardware components refer to imported products from Germany such as Noto, Siglia, and Gewu; Fill the window frame and the perimeter of the opening with polyurethane foam adhesive, and seal the frame with weather resistant adhesive on both sides of the wall; The screen window adopts aluminum alloy frame material and steel mesh screen window (flat opening, with a mesh of 304 stainless steel 07 wire diameter twelve mesh (mesh diameter 0.6-0.8)), with a profile wall thickness of ≥ 1.0mm and a surface powder