Tenders Are Invited For Geothermal Power Station Construction Work – Geothermal Energy System For The Braunschweig Town Hall

Geothermal Power Station Construction Work – Geothermal Energy System For The Braunschweig Town Hall. As Part Of The Renovation Of The Braunschweig Town Hall, Near-Surface Geothermal Energy Is To Be Used Via Two Geothermal Probe Fields. With This Procedure, The Ground-Side Systems For The Construction Of The Geothermal Energy System Are Put Out To Tender. The Building-Side System Components Are Not Part Of The Tender. The House Entry Points Of The Main Brine Pipes Are Agreed As The Interface Between Ground-Side Systems And Building-Side Systems. The Phase Plan Drawn Up By The Client For Construction Must Be Strictly Observed And Coordinated With The Construction Management In Advance And Continuously During Execution. This Results In Special Requirements For The Sequence Of Services To Be Carried Out. Due To The Sequence For Setting Up The Construction Site, 7 Probes In Subfield 1 Must First Be Completed In The Area Of ​​The Container Castle That Will Later Be Built And Their Horizontal Connecting Lines Must Be Welded On And Laid In Pipe Trenches. The Pipelines Are Laid To The Area Not Influenced By The Container Castle (Near The Distribution Shaft That Will Be Built Later) And Are Protected On The Surface By Suitable Security. (See Also Detailed Description Of The Services). As A Result, The Drilling Of Subfield 2 Will Be Completed. The Remaining Drillings In Subfield 1 Will Be Completed Last. To Ensure A Quick Construction Process, At Least 2 Drilling Rigs Should Be Available - Alternatively: If The Construction Management Has Agreed On How The Construction Process Can Be Adhered To, The Contractor Must Also Suggest A Different Approach. This Specific Construction Process Must Be Taken Into Account When Submitting An Offer. The Following Planning-Related Documents Are Provided: - Report Of Test Drilling And Thermal Response Test (Drilling Profile Of The Test Probe Included) - Report Of Draft Planning Of Probe Fields - Execution Planning Of Probe Fields, Including Planning Of Horizontal Piping - Execution Planning Of Maximum Pipe Pressure Loss, Mass Calculation - Execution Planning Of Planned Pipe Routing In Pipe Trenches, Required Excavation Quantity And Lengths - Water Law Permit (As Soon As Granted) For The On-Site Application For The Water Law Permit For The Geothermal Probes, Relevant Certificates And Materials Used Should Be Supplied When Submitting The Offer. These Include, For Example, - Certificate Dvgw W120-2 G200 - Master Craftsmans Certificates / Certificates Of Suitability For Specialist Personnel - Material Lists For Geothermal Probes, Connection Pipes, Grouting Material, Heat Transfer Agents, Additives For Drilling Fluid For Further Details, Please Refer To The Tender Documents, In Particular The Process Description And The List Of Services.