Norwegian road tunnel improvement

The Norwegian roads authority (Statens Vegesen), western region, is seeking contractors to improve the Steinanes Tunnel at the Bortveit power station on the E39 main road in Stord. The site is described as one of the most critical points between two previously improved road sections. Works will consist mainly of back-ripping the existing tunnel, install new water leakage and frost protection, and also the installation of fire protection and portal improvements.

The contract includes electrical and electronics works at one end of the tunnel portion. Additional work includes work on a large ashlars wall and steel core piling near the tunnel and highway.

Worand materials quanitities listed include 3550m2 of membrane in an arch, the same area of fire protection, 300m3 of ‘gunite’ and 950 rock bolts. Blasting required amounts to 4000m3 in the tunnel and 11 000m3 associated with the ashlars wall work.

The site is located in the Bomlo municipality in Hordaland county. The E39 road will continue to be in use, with redirection, throughout the works period.

For further information contact robert.balzer@vegesen.no or to register interest see http://www.doffin.no/Search_Switch.aspx?ID=21892. The tender deadline is 25 January 2010.