Tenders Are Invited For Drainage Canal Construction Work – Construction Of Storm Overflow And Pipe Jacking

Drainage Canal Construction Work – Construction Of Storm Overflow And Pipe Jacking. The City Of Aschaffenburg Intends To Renovate And Reorganize The “Schloßberg” Drainage System North Of Johannisburg Castle. For This Purpose, Existing Stormwater Overflows Will Be Taken Out Of Operation And Replaced With A New Stormwater Overflow “Am Schloßberg”. The Measure Includes The Construction Of New Inlet, Throttle And Outlet Channels As Well As Several Shafts And Special Structures Up To The Discharge Into The Main. The Main Sewers Dn 1600 Are Mainly Manufactured Using A Closed Construction Method (Pipe Jacking/Microtunneling), While Additional Pipes And Rectangular Profiles Are Manufactured Using An Open Construction Method. Some Areas Lie Below The Groundwater Table And Require Water-Impermeable Shoring Systems And Dewatering. Special Boundary Conditions Arise From The Subsoil Conditions And The Monument Protection In The Area Of ​​The City Wall. Approx. 285 M2 Bit. Break Up The Surface Until D = 20 Cm And Dispose Of Approx. Erect, Maintain And Dismantle 400 M Of Construction Fence Approx. Collect, Store And Cover 190 M3 Of Topsoil Approx. 585 M3 Of Soil Excavation Up To A Depth Of 8.60 M Including Disposal Approx. 1650 M3 Of Soil Excavation Up To A Depth Of 6.50 M Including Disposal Approx. 300 M3 Of Soil Excavation Up To A Depth Of 4.50 M Including Disposal Approx. 800 M3 Soil Excavation Of The Channels T 5.00 Including Disposal Approx. 1100 M3 Work Space Filling, Soil Delivered Approx. Install 420 M3 Of Filling Material In The Pipe Zone, Approx. 710 M2 Bored Pile Wall Dn 90 For The Excavation Pit Rü Approx. 1060 M2 Shoring With Steel Sheet Piles Approx. 150 M2 Shoring With Supporting Pile Wall1 Piece Bored Pile Excavation Pit Dn 11 M, D 16.00 M (Press Pit)1 Piece Sheet Pile Wall Excavation Pit Approx. 10.50*6.00 M, D 5.50 M (Press Pit) Approx. 235 M Pipe Jacking Dn 1600 Sb (Approx. 100 M In Radius Dn 500) Approx. 33 M Rectangular Profile Dn 2000/1400 Approx. 455 M3 Reinforced Concrete C 35/45 For Shaft Structures Approx. 280 M3 Reinforced Concrete C 35/45 For Rü Am Schloßbergapprox. 950 M3 Of Topsoil Extracted And Covered Again Approx. Produce 385 M2 Of Surfaces Using Asphalt Construction, Approx. Produce 300 M2 Of Surfaces Using Paving Construction, Approx. Create 300 M2 Of Surface As A Water-Bound Ceiling