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 - 91316484

  Document Type - Tender Notices

Description - Description: The bypass of the town of Le Locle is a new construction project consisting of a bidirectional tube with safety tunnels that starts at Col-des-Roches and ends at the existing Crêt-du-Locle junction.The subject of this tender is the civi l engineering work for the tunnel:- Road tunnel, diameter 12.80 m (4,126 m);- Safety tunnel, diameter 4.50 m (4,067 m);- Safety system: 5 waiting bays, 14 cross connections, 42 emergency niches;- West and east portals, including water collection basins;- Technical center in the west in open construction and underground in the east (exhaust air via 69 m foot tunnel, then 55 m shaft/chimney), including access road to the chimney;- Excavation work t

Gt Ref Id - 91316484

Deadline - Nov 04, 2024