Tender for renovation of 20 heat exchange stations in Huairen – demand for 4,000 valves

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Key project information: Project name – Renovation and upgrading of the old secondary heating networks at 20 heat exchange stations, including those in Huairen City. Tendering entity: Huairen City Heating Assurance Center. Total investment: 100.312 million yuan. Tendering date: Expected to be in May 2026. Scope of the tender: Design, construction, supervision, and procurement of key materials. Locations covered (20 heat exchange stations): Daxiu Factory Station, Luzigou Station, State Taxation Station, Mining Station, No. 5 Middle School Station, County Hospital Station, Xiaoshulin North Station, Xiaoshulin East Station, Traditional Chinese Medicine Hospital and Old Bus Station, Yunfeng Station, Zhifengshan Station, Zhifengshan Box Station, Teachers’ Garden Station, Railway Station, Mining Machinery Station, No. 1 Middle School Station, Health Bureau Station, Tai’anmen Station, Yunxin Jiayuan Station, etc. Construction scale: Upgrade of secondary pipeline network with diameters ranging from DN32 to DN400. Pipeline length: 2×32.483 kilometers (approximately 65 kilometers of dual-pipe system). Pipe material type: Pre-fabricated, directly-buried insulated steel pipes. Supporting facilities: 593 metering box wells for individual units; 197 metering box wells for users; road restoration area: 64,809 square meters