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TZ Ref No.: TZ-26-1427502
Tender Notice Live Notice National (NCB) Switzerland Infrastructure and construction Oil and Gas Services

Creation of a new interconnection between the Balessert complex in Founex and the Longchamp reservoir in Grilly - Swiss part of the work - Directed drilling under the motorway and the Versoix

Doc ref no. 4741•••
Sector Infrastructure and construction, Oil and Gas Services
Publish Date 10 Nov 2026
Estimated Value CHF ••••••
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Description & Project Overview

Construction of a new DN 400 drinking water and fire protection connection between the Balessert complex in Founex and the Longchamp reservoir in Grilly – Swiss part of the work Directed drilling work: completion of directional drilling work for the directional drilling planned under the motorway and under the Versoix. The drilling to be carried out represents a total length of 345 m.

Days to Deadline
38 days
Closing: 20 Dec 2026, 18:00
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Key Procurement Details

Doc ref no. 4741•••
Notice Type Tender Notice
Bidding Type NCB
Publish Date 10 Nov 2026
Sector Infrastructure and construction, Oil and Gas Services
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