The project E6 Biri-Otta is constructing a new E6 on the stretch Frya-Sjoa with the construction of 2 new road tunnels, the Hundorp tunnel and the Teigkamp tunnel. The tunnels will have an annual traffic count of approx. 7 000 vehicles/day. The tunnels shall be used for 2-way traffic.

General tunnel data on the Hundorp tunnel:

— Tunnel length: 4 300 m;

— Tunnel class: D;

— Tunnel cross section: T10.5: approx. 60 m²;

— Dimensioned vehicle speed: 80 km/t.

General tunnel data on the Teigkamp tunnel:

— Tunnel length: 3 675 m;

— Tunnel class: D;

— Tunnel cross section: T10,5: approx. 60 m²;

— Dimensioned vehicle speed: 80 km/t.

The contracting authority would like tenders for the delivery of directional controlled fans for the Hundorp and Teigkamp tunnels on the stretch E6 Frya-Sjoa. The delivery includes the delivery of directional controlled fans including fixings at the construction sites.