Energy Transformation of Residential Buildings to Reduce Low Tender

• Country: Poland
• Summary: Energy Transformation of Residential Buildings to Reduce Low Emissions in the Radków Commune - Building at Ul. Piastowska 47 in Radków, Divided into Parts
• PLT Ref No: 135803164
• Deadline: 02 Mar 2026
• Financier: Self Financed
• Purchaser Ownership: Government
• Tender Value: Refer Document
• Notice Type: Tender
• Document Ref. No.: 2026/BZP 00111158/01
• Purchaser's Detail:
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• Description:
• 1. Part No. 1. Modernization of the heat source.1.1. Scope of work: 1) Ground heat pump. Ground heat pump: nominal power 35 kW, brine/water type.2) Lower source. 8 vertical wells, 90 m each, total length 720 m, PE100-RC probe pipes 40 mm, double U, infill thermally conductive (bentonite-silica), carrier: propylene glycol solution 30%, spacing between holes: approx. 8 m, in accordance with PZT, each hole with shut-off and the possibility of flow balancing.3) Prefabricated PE distribution well, width 1200 mm, depth 1.8 m, equipped in distributors and balancing valves. All work related to the lower source of the heat pump should be carried out in accordance with the guidelines of the manufacturer of the pipes used. The designed pipelines are run by, among others, 20-40 cm below the frost zone, the supply pipelines should be placed at a distance of at least less than 70-80 cm from each other and from other pipelines. In addition, special attention should be paid when filling the hole ring to ensure it is complete, without defects and gas spaces. The filling should be done with a liquid filling mass. Purpose of the casing pipe: pulling in and running the supply lines for the brine circuit (a pair of supply and return pipes...
• Documents:

 Tender Notice