AwardedCHEWorks
Seewasserwerk Riet II, Los 1: Tiefbau
- Published
- Published 21 April 2026
- Deadline
- Closed 31 May 2026
Overview
RWSG Regionale Wasserversorgung St. Gallen AG commissioned the construction of a new lake water treatment plant (Seewasserwerk Riet II) to serve approximately 150,000 people and businesses in the Lake Constance to St. Gallen region. Lot 1 (Tiefbau) has been awarded to DE_STUTZ AG Bauunternehmung for CHF 7,174,246.15 and covers civil engineering works including excavation, contaminated site disposal, pit securing, water management, pile installation, drainage, utility lines, and surface construction, with work commencing 10 August 2026 and phased completion through June 2029.
Key details
- Country
- CHE
- Status
- Awarded
- Category
- Works
- Procedure
- Open
- Published
- 21 April 2026
- Deadline
- Closed
Construction work
Award outcome
- Awarded value
- CHF 7,174,246
- Award date
- 26 June 2026
- DE_STUTZ AG Bauunternehmung, Zweigniederlassung St. Gallen
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Notice history
Every published notice in this contracting process, newest first.
Contract Award Notice
29 June 2026
Contract Notice
21 May 2026
Contract Notice
21 April 2026
Contracting authority
RWSG Regionale Wasserversorgung St. Gallen AG
Procuring entitySt. Gallen, CHE
Authority website ↗
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