The eastern region of the Norwegian Public Roads Administration (Statens Vegvesen) has issued a contract notice for road tunnel ventilation supplies with a tender deadline of 22 March. The award will be on the basis of lowest price, and specifications and other documents but be requested before 15 March.
The requirement is for impulse fans and shaft fans for the Loren and Okern tunnels on the Rv150 (Ring 3) road between Ulven and Sinsen, and is part of the larger project to upgrade main artery and local distribution routes including construction of tunnels of Ring3. This is being constructed as a 3/6-lane highway (number H2) between Ulven and Sinsen including rock and concrete tunnels. In addition, Ostre Aker road is being constructed as a 2/4-lane highway between Halevangen and Rislokk including the concrete Okern Tunnel of 320m length.
The Loren Tunnel in rock will have a length of 905m, plus a concrete extension of 123m length. Technical rooms and ventilation towers will be sited over the portals at Sinsen and Okern.
Ventilation installation work is scheduled to start on 1 June this year for completion by 1 February 2013.
For traffic level data see supply contract 42518-2011 on http://ted.europa.eu. Further information is available from Statens vegvesen region ost in Lillehammer by email to firmapost-ost@vegesen.no or see www.vegesen.no.