Accepting bidsDeadline in 56 daysHydro-electric plant construction work

Grimsel 4 Pumped-Storage Power Station, Lot 1 for the reinforcement of the headwater channel and Lot 2 for the underwater gates

Official title in German: Pumpspeicherwerk Grimsel 4, Los Panzerung Triebwasserweg und Los UW-Schützen

Key points at a glanceAI summary

Kraftwerke Oberhasli AG is procuring waterway steel lining and four underwater gates for the new Grimsel 4 pumped-storage plant, equipping its penstock and two pump-turbines.

Deliverables
Design, manufacture, delivery, installation and commissioning of waterway lining and four UW gates (2x2).
Contract
Separate lump-sum works contracts per lot; prices in CHF, excluding VAT.
Eligibility
German-speaking key staff; two recent references each, plus lot-specific technical references and quality and safety management.
Award
Presentations count: price 30%; technical quality 35% for lot 1, 45% for lot 2.
Watch out
Offer binding for at least three months; delay penalties can reach 10% of contract value.
Lot 1
Waterway steel lining; water-contact components made in Europe.
Lot 2
Four UW gates; casings, guide and sealing frames, gate assemblies made in Europe.

Documents for your bid

  • Gr4 32.040 Unterlagen Los 1 Panzerung Triebwasserweg.zipTender documents · 2.6 MB
  • Gr4 32.040+060 Teil 2A AGB ELMECH und STWB (A001376253).PDFTender documents · 237 KB
  • Gr4 32.040+060 Teil 2C Terminprogramm Panzerung Triebwasserweg und UW-Schützen.PDFTender documents · 1.1 MB
  • Gr4 Teil 0 Angebotsbedingungen 22.10.26.pdfCorrection · 416 KB
  • Gr4 Teil 0 Angebotsbedingungen.pdfTender documents · 440 KB
  • GR4, 31.060 Unterlagen Los 2 UW-Schützen.zipTender documents · 2.5 MB
  • Teil 6A Selbstdeklaration des Anbieters (2).DOCXTender documents · 74 KB
  • Teil 6E Ergänzung Selbstdeklaration – Art. 29c Ukraine-Verordnung (2).PDFTender documents · 329 KB

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Key dates

  1. 22.09.2026Published on simap.ch
  2. 23.10.2026Published on simap.ch (Correction)
  3. 03.11.2026Questions round
  4. 06.11.2026Questions round
  5. 22.12.2026, 16:00Submission deadlineDeadline in 56 days

Lots

LotTitleLocation
1Panzerung TriebwasserwegGuttannen (BE)
2UW-SchützenGuttannen (BE)

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Notice text

View on simap.ch

Unofficial reproduction. The German text below is taken unchanged from SIMAP notice no. 42817. Only the official notice is binding.

KWO schreibt die Beschaffung der Panzerung Triebwasserweg sowie von zwei doppelte UW-Schützen für das Pumpspeicherwerk Grimsel 4 in zwei Losen aus. Die Ausschreibung umfasst die Planung, Herstellung, Lieferung, Montage und Inbetriebsetzung der Panzerung Triebwasserweg auf einzelnen Teilabschnitten des Triebwasserwegs sowie von insgesamt vier UW-Schützen (2x2) unterwasserseitig der Saugrohre der beiden Pumpturbinen.

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