Contest for upgrading the Tromsø tunnels (new notice).

Description

The Tromsø tunnels must be upgraded in accordance with the Tunnel Safety Regulations for county roads. This involves the installation of safety and monitoring systems with a direct connection to the road traffic central in Mosjøen (VTS). See the tender documentation for more information. Lot 1: Delivery and assembly of distribution boards. Delivery and assembly of lighting and safety equipment. Delivery and assembly of SRO installations. Cables/conduits/manholes in a ditch in the tunnel and in the open air. New water and sewage system in the tunnels. New extinguishing water pipeline with hydrants. Expansion of the middle tunnel from 2 to 4 lanes. Expansion of yellow and blue roundabouts. Blasting a total of 8 new niches/expansion of existing niches for technical buildings. Total rock blasting approx. 47,000 pfm3. Construction of 5 new technical buildings. Expansion of 3 existing technical buildings. Replacement of all cables/eletrotechnical equipment. Replacement of all tunnel fans. Removal of concrete cover in Breivika tunnel. Establishment of three washing water installations. New water/frost protection, approx. 30,000 m2 New asphalt cover in all tunnels. The list is not exhaustive. See the tender documentation for more information. A tender conference will be held at Mellomveien 40, at 12:00 on 12.04.2023.