Tenders Are Invited For Sewage-Treatment Plant Construction Work - Koblenz Sewage Treatment Plant_Renovation ... in Germany

Work Detail

Sewage-Treatment Plant Construction Work - Koblenz Sewage Treatment Plant_Renovation Biological Stage_Spezialtiefbau_Ingenierubau. Regarding Ii.1.4) Short Description: The Subject Of The Tender Is The Renovation Of The Biological Purification Stage Of The Koblenz Sewage Treatment Plant. This Consists Of The Individual Components Aeration, Return Sludge Pumping Station, Secondary Clarification And Mid Structure, They Are All In One Line Built (Immediately One Behind The Other). Overall, The Building Has One Length Of Approx. 131 M, The Width Is Approx. 22.5 M. Building Name: Length: Width: Excavation Depth (Max., E.G. Funnel) Excavation Volume Of Aeration Tank (Bb4) 44.3 M*22.5 M *8.4 M Approx. 9,350 M³ Rspw Iii 23.3 M * 22.5 M * 4.5 M Approx. 3,600 M³ Secondary Clarifier (Nkb6) 54.3 M * 22.5 M * 9.0 M Approx. 9,800 M³ Mid Structure 17.4 M * 6.0 M * 5.5 M Approx. 555 M³ The Mid Structure Is Built At Right Angles Behind The New Revitalization Stage (Bb4, Rspw3, Nkb6) Built In The Direction Of The Outlet To The Rhine. Before The Construction Of The New Pools And Facilities The Construction Site Must Be Cleared. This Requires The Relocation Of Numerous Supply Lines, Shafts, Cable Routes And Cable Pull Shafts. The Building Site Consists Of A Mixture Of Gravel And Sand. Which Makes The Use Of A Waterproof Installation Required. It Is A Combination Of Diaphragm Walls, Bored Pile Walls And Sheet Pile Walls With, If Necessary, Underwater Concrete Base And Sob Piles Are Provided. After Construction The Bb4 Is Created For The Waterproof Shoring. Then The Nkb6. After That Will The Intermediate Rspw With The Two High-Rise Buildings (Rs-Mid Structure And Rs Screw Pump Station) Created. Finally, The Mid Structure Is Manufactured. In This Tender The Preparatory Work, The Creation Of The Excavation Pit Including Shoring And The Concrete Work Forgive. Additional Lots Will Be Published And Awarded At Another Time. The Volume Of The Tender Is: - Excavation Approx. 25,000 M³ - Ramming In Sheet Pilings/ Vibrate To A Depth Of Approx. 9 - 16.5 M And Partially Remove It Again Approx. 120 Running Meters. - Overcuts Of Bored Pile Wall, Thickness Approx. 0.7 M, Drilling Depth Approx. 11 M 105 Running Meter - Diaphragm Wall 0.8 M To A Depth Of Approx. 20 - 22 M, 200 Running Meters. - Underwater Concrete Up To A Thickness Of 1.3 M, In The Area Of ​​The Nkb, Approx. 1,600 M³ - Auger-Bored Piles Diameter 0.4 M For Anchoring The Underwater Concrete With A Length Of 3 - 6 M, Approx. 192 Pieces - Pressed Anchors With A Length Of 13 - 21 M, Approx. 192 Pieces - Dewatering In The Excavation Pit - Concrete Construction O Reinforcement Approx. 1,500 Tons O Concrete Approx. 3,000 M³ O Including Circuit - Restoration Of The Service Road Over A Length Of Approx. 150 M

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