Tenders Are Invited For Ancillary Works For Pipelines And Cables – Creation Of The Horizontal Connection And ... in Germany

Work Detail

Ancillary Works For Pipelines And Cables – Creation Of The Horizontal Connection And The Pipe Network For A Cold Local Heating Network. The Subject Of The Tender Is The Creation Of The Horizontal Connection Of The Geothermal Probes As Well As The Construction Of The Collection And Distribution Network For A Cold Local Heating Network In The New Tetendorfer Straße Development Area In Soltau, Including The Necessary Civil Engineering Work. Horizontal Connection The Horizontal Connection Includes The Creation Of The Horizontal Pipe Sections Between The Vertical Geothermal Probes And The Distribution Shafts. The Transition From The Vertical Probe To The Horizontal Cable Routing Is Carried Out Using Generously Dimensioned Pe Welding Elbows After The Probe Cables Are Brought Together Via Y-Pieces. Welded Pe Pipes Da 40 Sdr11 Are Used, Which Are Laid Along The Probe Routes. The Cables Are Laid Frost-Free At Depths Of Approx. 1.25 M To 1.70 M Below The Later Surface Of The Ground Or Approx. 0.65 M To 1.10 M Below The Prepared Subgrade. To Minimize Air Pockets, Installation Is Planned With A Gradient Of Approx. 0.5 To 1% In The Direction Of The Distribution Shafts. The Ventilation Takes Place Within The Distribution Shafts. Collection Network The Collection Network Serves To Bring Together The Thermal Energy Absorbed By The Geothermal Probes And Transport It To The Technical Center. For This Purpose, Pe Cables In Dimensions Da 110 To Da 280, Including The Necessary Fittings, Reductions And Slide Crosses, Must Be Delivered And Laid At Junction Points. Distribution Network The Distribution Network (Starting From The Technical Center) Includes The Laying Of Parallel Supply And Return Lines Made Of Pe Pipes Da 63 To Da 250 Within The Construction Area. The Later Connection Of The House Connection Lines Takes Place Via This Network. Here, Too, Slider Crosses And The Necessary Reducers Must Be Installed At The Network Nodes. Trenching The Pipes Are Laid According To The Standard Cut In Common, Unobstructed Pipe Trenches. Above The Pipe Zone, The Existing Soil Must Be Reinstalled, If Suitable. All Utility Trenches Must Be Compacted In Layers And Professionally. Compaction Must Be Verified Through Self-Monitoring Using Künzel Tests; Additional Control Tests Remain Reserved. House Connection The Production Of House Entries And House Connection Lines Is Not Part Of This Tender And Will Only Take Place After The Respective Properties Have Been Developed.

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