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Projekt ROKS TP4: Ersatz der Druckleitung (DN 900, ca. 3.340 m) in den Stollen Sampuoir (3,6 km Fenster-, 345 m Zuleitungsstollen). Leistungen: Demontage der Altanlage, Ausbruch/Sicherung von 3 Ausweichnischen, Instandsetzung Spritzbetongewölbe, Lieferung/Montage neuer Druckleitung, Regulierorgane (Drosselklappe DN800, Revisionsorgan D...

Tender type:: Tender
Contracting authority:: Engadiner Kraftwerke AG
Published:: March 30, 2026
Deadline:: Not specified
Topic:: Engineering Structures
Object:: Tunnel / Unterführung

Object classification

Tunnel / UnterführungPrimary

Tender description

Projekt ROKS TP4: Ersatz der Druckleitung (DN 900, ca. 3.340 m) in den Stollen Sampuoir (3,6 km Fenster-, 345 m Zuleitungsstollen). Leistungen: Demontage der Altanlage, Ausbruch/Sicherung von 3 Ausweichnischen, Instandsetzung Spritzbetongewölbe, Lieferung/Montage neuer Druckleitung, Regulierorgane (Drosselklappe DN800, Revisionsorgan DN800, Schieber DN200). Arbeiten im Vertikalschacht (ca. 81 m Tiefe) inkl. Windenaufzug, Panzerung des Schachtkonus und Segmentkrümmer.

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Frequently asked questions about this tender

How can I apply for this tender?: Create a free account on Auftrag One. You will then see all documents, deadlines and submission notes in a structured workflow.
What is the submission deadline?: No specific submission deadline is currently stated for this notice.
Who is the contracting authority?: The contracting authority is Engadiner Kraftwerke AG.
Which documents are needed to get started?: Typically you need the service description, proof of eligibility, deadline notes and possibly form sheets. On Auftrag One these items are displayed in prioritized order.

ROKS TP4: Sanierung Triebwassersystem Ova Spin – Pradella - Sanierung Fensterstollen Sampuoir und Ersatz Druckleitung - Los 10 - Stahlwasserbau Druckleitung und Baumeisterarbeiten Fensterstollen Sampuoir

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ROKS TP4: Sanierung Triebwassersystem Ova Spin – Pradella Sanierung Wasserfassungen Clemgia und Sampuoir Los 2 - Stahlwasserbau Fallrechen und Wehr Clemgia und Sampuoir

ROKS - Retrofit obere Kraftwerksstufe - TP4 -Sanierung Triebwassersystem Ova Spin – Pradella; Los 21 – Korrosionsschutzarbeiten Triebwasserweg Ova Spin - Pradella

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