Germany – Wells construction work – Geothermal energy 70-00231-2530-501 - PR1280405-2530-B

Opportunity description

Geothermal energy 70-00231-2530-501 * Dates for carrying out the main work on the construction site: Start of work 19.01.2027; End of work 17.05.2027 * Description of the procurement: 1 lump sum Preliminary construction work / surveying / documentation 1 lump sum Site setup and clearance for drilling work and connection work DRILLING AND EARTHWORKS AND CONSTRUCTION OF GEOTHERMAL PROBE FIELD 13 geothermal probe boreholes 115m, auxiliary casing diameter: min. 178 mm, borehole diameter: min. 152 mm 1 lump sum / 60 t Disposal of drilling water / drill cuttings 13 geothermal double U-tube probes 115m approx. 45 t / 10 m³ Filling and sealing of the borehole annulus with thermally enhanced backfill suspension / securing the loss horizon 1 EWS distribution shaft for 15 EWS, traffic-bearing capacity approx. 40 t approx. 50 m³ Construction of the pipe trenches for horizontal geothermal pipes, excavation depth min. approx. 0.8 m and max. 1.50 m approx. 400 t Disposal of excess or non-compactable excavated material approx. 30 t Supply and installation of compactable fill material approx. 500 m Connection work from probe head to EWS distribution shaft (incl. connection of test borehole), PE 100-RC DA 40 x 3.7 approx. 50 m Connection work from EWS distribution shaft to core drilling handover point, PE 100-RC in DA 160 x 14.6 mm FILLING OF THE ENTIRE SYSTEM AND COMMISSIONING 1 lump sum Hydraulic balancing of the entire system and pressure testing approx. 4,700 l Introduction of water-glycol mixture 1 lump sum Participation in commissioning or AwSV acceptance Procedure: open. Review the original TED notice for the complete requirement, lots, amendments and attachments.