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Published13/02/2025
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Today26/03/2025
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Deadline09/04/2025
Utilities
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MP-120043 N02 Secondo tubo San Gottardo – Lot 161, Fire-fighting water supply main tunnel Text automatically translated in your browsing language Automatically translated
Lot 161 includes the installation parts for the fire-fighting water (LöWa) supply of the second tube (2TG). Specifically, the following main services are to be provided (non-exhaustive list): - new LöWa transport line in WELK 2TG (DN 200, length approx. 16.5 km); - new hydrants with supply line DN 125 from WELK (116 pcs.); - new duct connections to the ventilation centres (LZ) and connections to the existing LöWa transport line in the SiSto 1TG (5 pcs, DN 200); - new construction fittings and units (pressure dampers, flaps, sliders, etc.), as well as new construction trace heating; - Provisional relocations of the existing LöWa line in the SISto for the outbreak of the LZ (4 pcs). Text automatically translated in your browsing language Automatically translated
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