StartFragment Hefei Thermal Power Heating Facility Construction and Renovation Phase II Project - Zhongcheng 4 # Boiler Upgrade (Replacement of Lower Level Economizer and Primary Air Preheater) Project Public Bidding Announcement Anhui Public Resource Trading Group Project Management Co., Ltd., commissioned by Hefei Thermal Power Group Co., Ltd., is now bidding for the Zhongcheng 4 # Boiler Upgrade (Replacement of Lower Level Economizer and Primary Air Preheater) of Hefei Thermal Power Heating Facility Construction and Renovation Phase II Project. Qualified domestic bidders are welcome to participate. 1. Project Overview and Bidding Scope 1.1 Bidding Project Name: Hefei Thermal Power Heating Facility Construction and Renovation Phase II Project - Zhongcheng 4 # Boiler Upgrade (Replacement of Lower Level Economizer and Primary Air Preheater) 1.2 Bidding Project Number: 2025HAFGZ007601.3 Section Division: This project is divided into one section 1.4 Bidding Project Section Number: 2025HAFGZ007601.5 Construction Location: Hefei City, Designated by the Tenderer 1.6 Construction Scale: Hefei Thermal Power Heating Facility Construction and Renovation Phase II Project - Zhongcheng 4 # Boiler Upgrade (Replacement of Lower Level Economizer and Primary Air Preheater), please refer to the bidding scope for details. 1.7 Estimated contract price: 1.4282 million yuan 1.8 Planned construction period: a total of 100 calendar days (with full supply capacity within 40 calendar days after the contract is signed, the three boilers of this project will be constructed in three stages, with each boiler construction period not exceeding 20 calendar days) The sentence is:; Boiler 4 # is a 75t/h sub high temperature and sub high pressure circulating fluidized bed boiler produced and manufactured by Wuxi Huaguang Boiler Co., Ltd. in 2008. The boiler model is UG-75/5.3-M19, and the boiler type is a fully steel structure, fully membrane water-cooled wall, coal-fired circulating fluidized bed boiler. The economizer is a two-stage fin arrangement. Due to the needs of environmental protection production, the economizer was renovated in 2019. This project involves the overall replacement of the lower level economizers for boilers 1 #, 2 #, and 4 #. This includes the design of the lower level economizers and their accessories, equipment and material supply, installation of scaffolding, removal of old equipment, installation of new equipment, welding, weld inspection, removal and restoration of furnace walls, removal and restoration of insulation, garbage removal, overall water pressure testing of the boiler, notification of installation of pressure bearing components, and obtaining a calibration report issued by Anhui Special Equipment Testing Institute for this boiler. The rated outlet pressures of the three boilers in this project are 5.29MPa for boiler 1 # and boiler 2 #, and 5.3MPa for boiler 4 #. 1.10 Project Category: Construction 1.11 Other:/2. Qualification Requirements for Bidders 2.1 Qualification Requirements for Bidders: Bidders must possess independent legal personality, hold a valid business license, have a valid safety production permit, and have