Tenders Are Invited For Architectural, Construction, Engineering And Inspection Services – Awarding Of Plann ... in Germany

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Architectural, Construction, Engineering And Inspection Services – Awarding Of Planning Services For Flood Protection In Ruthe. The Location Of Ruthe, Town Of Sarstedt, Is Approx. 13 Km Northwest Of The City Of Hildesheim Between The Leine And The Innerste. The Place Is About 62 M Above Sea Level. The Location Itself Is Located Directly Above The Mouth Of The Innerste River Into The Leine, Waters Of The First Order. The Topographical Conditions Around The Town Of Ruthe Show A Slope Towards The South. Due To Its Topographical Location, Ruthe Is Characterized By River Deposits And Parts Of Floodplain And Low Terraces. The Town Of Ruthe Is Located At The Confluence Of The Leine And Innerste. The Flood Discharge Of The Innerste For An Hq (100) Is Around 278 M3/S. The Discharge Of The Line For An Hq (100) Is Around 760 M / S. The Flood Area Calculations Show That Almost The Entire Old Town Center Of Ruthe Will Be Flooded At An Hq (100). Only The Area Around The Church, The Playground And The Western Buildings On The Outskirts Of Town Are Not Affected By The Flood. Various Flood Protection Systems Are Planned To Protect Ruthe. Mobile Flood Protection Systems Should Be Installed In Areas Of Streets, Passages, Driveways And Property Gates. Where There Is Sufficient Space, Flood Protection Dams Will Be Built And Flood Protection Walls Are Planned In Confined Areas. The Height Of The Flood Protection Facilities Is Based On The Results Of The Water Level Calculation (Hq 100) Of The Leine And The Innersten. The Freeboard Height Has Been Set At 0.5 M. The Assumptions Regarding The Dimensioning And Geometry Of The Flood Protection Systems Were Made Taking Into Account The Requirements Of Din 19712 (Flood Protection Systems On Rivers). The Hydraulic Proof Of The Planning For Ruthe Flood Protection Has Shown That The Planned Flood Protection Measure Leads To A Slight Increase In The Flood Level Hq (100) In The Downstream Of Ruthe. This Rise In Water Levels Can Be Minimized By Lowering A Section Of The K 514 North Of Ruthe. For The Optimized Plan Condition, The K 514 Has A Lowering Length Of 200 M And A Lowering Amount Of 0.2 M. Further Information Can Be Found In The Information On The Subject Of The Service

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