GTR 117044283
Tenders Are Invited For Engineering Design Services For The Construction Of Civil Engineering Works – Kraftwerk Eglisau-Glattfelden Ag (Kwe): Eglisau Power Plant - Smooth Tunnels, Renovation Of Fish Passage - Specialist Planner Technology & Environment. Centrale Deglisau - Tunnel De Glatt, Discount In State Of Passage To Poissons.
ICB — International Competitive Bid
Closes Sep 23, 2026
Western Europe
Tender Information
GTR Reference
117044283
Tendering Authority
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Tender No
567700-2026
Financer Name
Self-Funded
Work Title
Tenders Are Invited For Engineering Design Services For The Construction Of Civil Engineering Works – Kraftwerk Eglisau-Glattfelden Ag (Kwe): Eglisau Power Plant - Smooth Tunnels, Renovation Of Fish Passage - Specialist Planner Technology & Environment. Centrale Deglisau - Tunnel De Glatt, Discount In State Of Passage To Poissons.
Bid Type
ICB — International Competitive Bid
Country
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Geographical Region
Western Europe
Last Date of Bid Submission
23-09-2026
Work Detail
Engineering Design Services For The Construction Of Civil Engineering Works – Kraftwerk Eglisau-Glattfelden Ag (Kwe): Eglisau Power Plant - Smooth Tunnels, Renovation Of Fish Passage - Specialist Planner Technology & Environment. Centrale Deglisau - Tunnel De Glatt, Discount In State Of Passage To Poissons.. The Glatt Flows Into The Rhine Around 180 M Downstream From The Eglisau-Glattfelden Run-Of-River Power Plant (Eglisau Power Plant). At Its Lowest, Approximately 290 M, It Leads Through The Underground Smooth Tunnel, Which Was Built Between 1914-1919 And Is Part Of The Eglisau Power Plant. Due To The Paved Bottom And The Steep Gradient, The Flow Speeds In The Tunnel Are Very High And Prevent Fish From Climbing Into The Glatt. With The New Concession For The Eglisau Power Plant Granted By The Federal Department Of The Environment, Transport, Energy And Communications (Detec) On December 16, 1998, The Kwe Was Obliged In Accordance With Article 25 To Restore The Fish Ladder In The Smooth Tunnel. The Tunnel Variant Was Chosen As The Best Variant, In Which The Fish Migration Takes Place Largely Via A Separate, 340 M Long Tunnel. The New Tunnel Runs Parallel To The Existing Smooth Tunnel. The Fish Rise Largely Via A Rauger Channel Or Raugerinnen Basin Pass With A Discharge Rate Of Approx. 0.5 -1.0 M3/S. Only At The Existing Bottom Threshold Of The Measuring Station Does The Fish Ascend Via A Block Ramp. In Order To Avoid Overloading The Ascent Tunnel At Q >Q30, A Locally Lowered Side Wall (Weir) Is Provided At The Upper End Of The Ascent Channel. The Service Request Includes The Following Services: * Preparation Of Pre-Construction And Construction Projects (Phases 31-32 According To Sia). * Preparation Of Planning Approval Application (Approval Process, Phase 33 According To Sia). The Scope Of Services Provided By The Planner Is Based On The Description In Part 1 (Chapter 3) Of This Planner Tender. All Further Detailed Information According To The Tender Documents.
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