Tenders Are Invited For Canal Construction – Toni Jensen Community School, Renovation Of Kassel Buildings; Sewer Construction, Sewer Renovation, Civil Engineering

Canal Construction – Toni Jensen Community School, Renovation Of Kassel Buildings; Sewer Construction, Sewer Renovation, Civil Engineering. As Part Of The Ongoing Structural And Technical Renovation Work On The Toni Jensen Community School Buildings In Kassel, Sewer Renovation Work Is To Be Carried Out. Some Of The Damage Can Be Repaired Using Trenchless Renovation Methods. However, In Many Areas, Renovation Work Has To Be Carried Out Using Open Civil Engineering. In Addition, New Cables For Building Construction And Building Services Are Manufactured. The Necessary Construction Activities Are The Subject Of The Planned Construction Project. All Renovated And Newly Built Elements Are Visually Inspected Following The Measure And Some Are Checked For Leaks. The Subject Of The Tender Is The Execution Of Renovation Work On Rain And Waste Water Pipes Made Of Plastic, Stoneware And Concrete From Dn 100 To Dn 300 As Well As On Rain And Waste Water Shafts In The Schools Sewer Network. The Following Services Must Be Carried Out: - Shutting Off And Pumping Over Existing Rw+Sw - Sewer Cleaning - Removing Root Ingrowths - Milling Off Deposits And Protruding Components - Inserting Partial Liners Or Stainless Steel Sleeves - Installing Liners In Complete Pipes - Installing Connecting Fittings (Hat Profiles) - Shaft Renovation Through Mortar Coatings, Ring Joint Injections, Replacing Or Removing Defective Components - Recording Of Surfaces, Green Areas, Paved Areas, Etc. - Soil Excavation To Expose Pipes, Pipes And Shafts As Well As For The Installation Of New Pipes - Decommissioning Or Dismantling Of Elements That Are No Longer In Operation - Replacing Defective Pipes Made Of Concrete, Stoneware, Pvc And Installing New Concrete, Stoneware And Pp Pipe Pieces As A Repair Measure - Installation Of New Pp Pipes - Installation Of New Shafts Or Shaft Parts Made Of Concrete And Pp - Installation Of Bedding Gravel And Filling Floor - Restoration Of The Recorded Surfaces - Visual Inspection Of The Renovated Elements - Leak Tests