Tenders Are Invited For Engineering Design Services For The Construction Of Civil Engineering Works – City O ... in Germany

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Engineering Design Services For The Construction Of Civil Engineering Works – City Of Wolfenbüttel, Abw, North Of Auguststadt - Planning Of Traffic, Open-Air Facilities And Engineering Structures. The City Of Wolfenbüttel Is Planning To Draw Up A Development Plan For The “Nördlich Auguststadt” Development Area. The Development Area Will Be Accessed Via Dr.-Kirchheimer-Straße In The South And Via Paul-Eyferth-Straße In The North. In Parallel To The Development Plan, The Engineering Office To Be Selected Carries Out Traffic Planning, Drainage Planning And Terrain Modeling In The Construction Area. The Planning Area Is Partly Located In The Designated Flood Plain (Üsg) Of The Oker. Furthermore, The Planning Area Is Located In An Area At Risk From Heavy Rain. A Hydraulic Report Is Available. During Terrain Modeling, The Terrain Is Elevated And The Terrain Is Flattened. These Factors Or Load Cases Must Be Taken Into Account When Planning The Drainage (Backflow Protection). The Public Traffic Area Is Approx. 3,300 M². The Terrain Modeling Amounts To: Approx. 3,300 M³ Terrain Flattening Approx. 11,000 M³ Terrain Elevation The Plan Area Is Crossed In A North-South Direction By A Dirt And A Rainwater Canal. The Alternative Study Of Maintenance Vs. Renewal Is Part Of The Planning. Dirty Water Drainage Takes Place Via An Existing Pumping Station On The Southern Edge Of The Planning Area. The Performance Of The Existing Pumps Must Be Checked. The Minimum Diameter For The Main Wastewater Sewers Is Dn 200 And For The House Connections Dn 150. The Rainwater Drainage Must Be Designed For A Rain Event N = 0.2. The Throttle Discharge Is 25 L/S. Retention Takes Place In Underground Storage Channels. The Minimum Diameter For The Rainwater House Connections Is Dn 150. Separate Retention Must Be Provided On Private Properties.

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