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K-07 Melchtalerstrasse: Rehabilitation of Blattibach Bridge

Official title in German: K-07 Melchtalerstrasse: Instandsetzung Blattibachbrücke

Key points at a glanceAI summary

Tiefbauamt Obwalden is procuring the final stage of Melchtalerstrasse renewal: repair of the Blattibach bridge to restore its structure and improve earthquake resistance.

Deliverables
Replace waterproofing, surfacing and expansion joints; repair concrete and install drainage and seismic strengthening.
Contract
One construction contract; prices remain fixed despite quantity changes, with inflation adjustment under PKI.
Eligibility
Require one comparable completed bridge-repair reference from the last 10 years, turnover twice the contract value, subcontracting capped at 50%, and GAV certification.
Award
Price counts 50%, technical value 20% and provider quality 30%; quality covers two key people and their availability.
Watch out
Offers bind for 6 months; liability cover of CHF 5,000,000 per event and a 10% performance bond are required.

Documents for your bid

  • Ausschreibung_Instandsetzung Blattibachbrücke_20261015.zipTender documents · 34.8 MB

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Key dates

  1. 15.10.2026Published on simap.ch
  2. 30.10.2026Questions round
  3. 26.11.2026, 16:00Submission deadlineDeadline in 30 days
  4. 27.11.2026Bid opening

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Notice text

View on simap.ch

Unofficial reproduction. The German text below is taken unchanged from SIMAP notice no. 44968. Only the official notice is binding.

Im Zuge der Erneuerung und des Ausbaus der Melchtalerstrasse auf dem Abschnitt St. Niklausen–Melchtal erfolgt als letzte Etappe die Instandsetzung der Blattibachbrücke auf dem Abschnitt Blattibach. Im Rahmen des Instandsetzungsprojekts werden Abdichtung, Belag und Fahrbahnübergänge ersetzt sowie die schadhaften Stellen an Widerlagern, Mittelpfeilern und Brückenträger reprofiliert. Weiter werden eine Entwässerung im Widerlagerbereich erstellt und erforderliche Verstärkungsmassnahmen für die Erdbebensicherheit ausgeführt.

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