Tenders Are Invited For Drainage Construction Works- Retention And Suppression Plant Oberfeld (Rvao) Including Schiessplatzweg (Center)

Drainage Construction Works- Retention And Suppression Plant Oberfeld (Rvao) Including Schiessplatzweg (Center). In Order To Be Able To Absorb The Future Rainwater Amounts From The Extended Catchment Area, The Existing Central Retention And Infiltration System (Rva) Oberfeld Will Be Expanded And Expanded In Ostermundigen. This Is Done With Three Significant Measures (Creating A Cascade System). First, The Existing Retention System Of 700 M3 Including Emergency Overflow, Is Expanded By Approx. 700 M3 With Additional Retention Boxes. Second, A New Retention Basin Is Created With Approx. 900 M3, To Which The Emergency Overflow Is Connected And Third, A Storage Channel Of Approx. 215 M3 Is Created In The Shooting Range (Middle) To Which The Retention Basin Is Connected. In Order To Implement The Expansion Of The Rvao, The Existing Mixing Water Pipe (Dn 700) Must Also Be Canceled And Relocated In The Shooting Range (Center). In The Course Of This Work, The Drinking Water Pipe (Dn 150) Is Also Replaced, The Public Lighting Is Renewed And Supplemented, The Road Drainage (Dn 200) Is Created, Installed New Street Lighting, A Full -Scale Covering Rehabilitation, A New Swisscom Management And A New Amphibian Tunnel Including Leisure Works. It Should Be Noted That Some Of These Work Will Affect A 16 Kv Management Of The Bkw. Following The Civil Engineering Work, The Entire Road Surface Including The Marginal Ends And The Connection Surfaces Will Be Renewed To The Building Of Fc Ostermundigen (Fco). The Deck Covering Can Only Be Installed When The Work Of The Tram Bern-Ostermundigen Ag (Tbo Ag) Has Been Carried Out (The Public Transport Route Goes Via The Shooting Range). This Depends On The Total Construction Decision Of The Federal Office Of Transport (Bav) To The Tbo Project, Which Has Not Yet Been Carried Out. The Period Of The Execution Of The Cover Cover Is Estimated To Be Around 2031. The Services To Be Offered Are Diverse. A Mixed Water Pipe Gfk Dn 700 And A Rainwater Storage Channel Gfk Dn 1500 Is Built. There Are Location Concrete Structures And Installing Ready -Made Shafts. In Addition, Another Part Of The Performance Of The Workpiece Is. This Includes New Electrical Cables, A Replacement Of The Drinking Water Pipe, The Road Drainage And A New Swiss Comedy Including Shafts. For The Drinking Water Line, The Master Builder Creates The Excavation, Provides Aid For The Pipe Layer When Laying The Lines And Is Responsible For The Back Filling Of The Trench. The Tube Layer Is Awarded To A Third -Party Company By The Client. In Addition To The Various Work, The Positions Of Three Teams And Coordinating Work According To The Appointment Program Are Important. While The Construction Work In The Shooting Range (Center) And The Work Management Connections In Ahornstrasse, It Must Be Taken Into Account That The Bkw Runs Parallel To The Shooting Range On The Fco Area, A 16 Kv Line And A Crossing With 400 V Lines (Fco Sansiro). The Surrounding And Planting Work Of The Rvao Are D