N20.71 Mp-180010 - Neb Le Locle Bypass - T301 - Le Locle Tunnel - Underground Works (Id 9034)

  Address - Switzerland

  Contact details - 565656565

  Tender notice no. - 76454545

  GT Ref Id - 91316485

  Document Type - Tender Notices

Description - Description: The bypass of the city of Le Locle is a new development comprising a two-way tube and a safety gallery starting at Col-des-Roches and ending at the existing junction of Crêt-du-Locle.This call for tenders concerns the civil engineering works relating to the Le Locle tunnel:- Road tunnel, diameter 12.80 m (4,126 m);- Safety gallery, diameter 4.50 m (4,067 m);- Safety system: 5 stop widenings, 14 cross-connections, 42 SOS niches;- West and East portals, including water collection basins;- Open-air technical plant to the west and underground to the east (air evacuation via 69 m foot gallery, then 55 m shaft/chimney) including the access road to the chimney;- Excavation of polluted

Gt Ref Id - 91316485

Deadline - Nov 04, 2024