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Works for complete or part construction and civil engineering work – Mechanical ventilation and electrical systems – A Swiss motorway tunnel infrastructure project – Lot 3000 2026 Tender
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In context
This is a contract notice published by a government body covering construction and works. Delivery covers Switzerland (Europe). It is classified under Heating and Cooling against the sustainability taxonomy rather than matched on keywords.
This tender procures complete renewal of mechanical ventilation and fire detection systems in a tunnel on a Swiss motorway, including supply, installation, and commissioning of jet fans, sensors, control cabinets, and linear heat detection cable. Bidders should be specialized HVAC/electrical contractors with tunnel infrastructure and fire-safety system integration experience.
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About this tender
This lot covers the renewal of ventilation and fire detection installations in the Sierre tunnel on motorway N09, between kilometre markers 113.250 and 115.700. The works are part of the UPlaNS maintenance programme (EP Sion Est – Sierre Est) and include the supply, installation, and commissioning of the following equipment: jet fans; sensors (anemometers/opacimeters); power cabinets for ventilation installations including starters and all necessary components; control cabinets with associated programming including PLCs and all necessary elements; field boxes with all necessary elements; power …
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