GTR 116137373
Tenders Are Invited For Construction Work – Uw Wittenwil – Baumeister Gu
ICB — International Competitive Bid
Closes Sep 25, 2026
Western Europe
Tender Information
GTR Reference
116137373
Tendering Authority
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Tender No
510752-2026
Financer Name
Self-Funded
Work Title
Tenders Are Invited For Construction Work – Uw Wittenwil – Baumeister Gu
Bid Type
ICB — International Competitive Bid
Country
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Geographical Region
Western Europe
Last Date of Bid Submission
25-09-2026
Work Detail
Construction Work – Uw Wittenwil – Baumeister Gu. The Wittenwil Substation (Uw) Was Put Into Operation In The Early 1990S. The Secondary Technology And The Auxiliary Systems Have Reached The End Of Their Technical Lifespan And Must Be Replaced. The Outdoor Switchgear Is In Good Condition And Does Not Require Any Adjustment. There Is A High Degree Of Integration With The Systems Of The Previous Operator Axpo. In Order To Maintain The Safe Operation Of The System, Various Systems Must Be Renewed. Swissgrid Is Therefore Replacing The Secondary Technology And The Auxiliary Systems And Is Building Its Own Substation Building (Uwg) In Order To Achieve The Greatest Possible Separation From The Axpo Systems. This Tender Includes The Work Related To The Construction Of The New Substation Building And Its Immediate Area (Approx. 5.00 M). An Exception Applies To Factory Management, Surfacing And Surrounding Work. Roughly The Following Work Must Be Carried Out To Create The New Substation Building: * Preparatory Work (Construction Site Setup, Temporary Work, Dismantling, Dismantling, Etc.) * Construction Pit (Excavation Of The Construction Pit, Service Lines, Etc.) * Shell 1 (Master Work, Scaffolding, Etc.) * Shell 2 (Plumbing Work, Lightning Protection, Roofing Work, Etc.) * Electrical Systems (Including Fire Alarm Systems, Earthing, And Cable Racks And Ducts (For All Sas, Communication And Personal Use Connections) * Heating, Ventilation, Air Conditioning, Refrigeration Systems * Sanitary Systems * Expansion 1 (Plastering, Metal Construction, Carpentry Work, Etc.) * Expansion 2 (Floor, Wall Coverings, Wall And Ceiling Coverings, Etc.) * Surroundings (Gardening Work, Driveways, Cable Shafts, Cable Pipe Blocks, Etc.) * Acceptance (Fat, Sat And Ibn) The Detailed Service Components Are Shown In Document C100.
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