Tenders Are Invited For Underground Work Other Than Tunnels, Shafts And Subways – Pipe, Civil Engineering And Drilling Work Wsa 1.2

Underground Work Other Than Tunnels, Shafts And Subways – Pipe, Civil Engineering And Drilling Work Wsa 1.2. The Route Includes In Particular The Connection To The Existing District Heating Pipeline In Gorch-Fock-Straße (Dn 350), The District Heating Route Along The Wall (Duoe-Dn 150), The Connection To The Existing District Heating Pipeline On The Wsa Site (Duo-Dn 80) And The Continuation Towards The Energy Center. The Pipelines Are Routed In Sections Using An Open Construction Method And Using Trenchless Construction Methods. Components Of The Measure Are The Open Laying In Unpaved And Paved Areas, The Crossing Of Ostermoorer Straße Using Horizontal Directional Drilling, The Further Horizontal Directional Drilling For The Connection Towards Gorch-Fock-Straße, The Creation Of The Connection Areas Using Open Construction, And The Laying Of Pipes In The Direction Of Wsa 1.1 Using Open Construction. The Exact Route Can Be Found In The Route Plan. A Factory-Insulated Steel Casing Pipe System (Kmr) Is Used. Insulation Standard: Highest Insulation Level, Leak Warning System: Brandes System, Design In Accordance With The Agfw Regulations And The Generally Recognized Rules Of Technology. In Areas Of Trenchless Construction, Pipes With Increased Wall Thickness And Suitable Sleeve Systems Must Be Provided To Avoid Pull-In Damage. The Civil Engineering Work Includes In Particular The Construction Of The Pipe Trenches Using The Open Method, Excavation, Interim Storage And Replacement Of Soil Material (If Appropriate), The Filling Of The Pipe Zone With Suitable Material, The Restoration Of Surfaces (Roads, Paths, Driveways And Green Areas), Protection And Securing Of Existing Supply And Disposal Pipes, Coordination And Coordination With Management Companies