Renovation of the Pradella balancing reservoir, new tender for Lot 1 – sediment removal
Official title in German: Sanierung Ausgleichsbecken Pradella Neuausschreibung Baulos 1 - Sedimententfernung
Engadiner Kraftwerke AG is procuring removal of about 10’600m³ of accumulated sediment from the Pradella balancing reservoir before its planned rehabilitation, with discharge into the Inn during operation.
- Deliverables
- Remove all approximately 10’600m³ of sediment from the reservoir and discharge it into the Inn.
- Eligibility
- Provide a similar underwater sediment-removal or relocation reference of at least 5'000 m³ within 10 years; annual average turnover must be at least 200’000 CHF.
- Award
- Award weights: price 40%, provider quality 20%, offer quality 20%, and operating restrictions 20%.
- Watch out
- The contractor’s operating restrictions on water level or the Pradella or Martina plants, and residual sediment, are assessed.
Key dates
- 03.07.2026Published on simap.ch
- 13.08.2026, 14:00Submission deadline
- 18.08.2026, 13:30Bid opening
- 12.10.2026Award
- 27.10.2026Award notice
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Notice text
View on simap.ch
Unofficial reproduction. The German text below is taken unchanged from SIMAP notice no. 40237. Only the official notice is binding.
Im Ausgleichsbecken Pradella hat sich über die Jahre Sedimentmaterial abgelagert. Für die geplante Sanierung des Beckens muss dieses verlandete Material, rund 10’600m3 vollständig entfernt werden. Der Sedimentaustrag in den Inn, muss vor Beginn der Sanierungsarbeiten bei laufendem Betrieb erfolgen.