380 kV Bonaduz-Sils transmission line pylone replacement works 2026 Tender
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In context
This is a contract notice published by a government body covering construction and works. Bids are invited through an open procedure. Delivery covers Switzerland (Europe). It is classified under Grid Modernization against the sustainability taxonomy rather than matched on keywords.
A Swiss electricity transmission operator is procuring civil engineering works for foundation reinforcement and pylone replacement on a 380 kV transmission line in Graubünden, Switzerland, split into two lots. Bidders must be experienced in heavy civil works, micropile installation, and environmental/ecological compliance in sensitive alpine terrain.
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About this tender
Civil engineering works for the replacement of 380-kV power transmission pylons between Bonaduz and Sils in the canton of Graubünden, Switzerland. Lot 1 comprises foundation work for four pylon locations (1261a001, 1261a002, 1261a005, 1261a006). The scope includes foundation creation and reinforcement, micropile installation, demolition and securing works, site access development, excavation and slope stabilization, concrete and foundation work, earthing work, and complete restoration of affected areas. …
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