The project includes:

— Upgrading of electric and control technical installations in the Mundalsberg and Bjørsvik tunnels.

Main quantities in the Mundalsberg tunnel:

— Traffic management with traffic management vehicles;

— 9 SOS cabinets;

— 1 emergency station kiosk;

— 1 technical building;

— 44 guiding lights;

— 258 lighting fixtures;

— 1 130 m cable racks;

— 2,2 km fibre cable;

— 1 100 m radiating cable;

— 2 200 m coax cable;

— 6,6 km cable conduit.

11 conduit manholes.

— 24 signs;

— 4 variable signs;

— 2 red blinking lights;

— 2 barriers with loops and cameras;

— 1 082 guardrails made of concrete, inside the tunnel;

— 55 m guardrails made of concrete, in open air;

— 1 700 m² PE foam;

— 450 m³ shotcrete;

— 570 support bolts;

— 20 m² dry wall;

— 250 m³ blasting in open air.

Main quantities in the Bjørsvik tunnel:

— Traffic management with traffic management vehicles;

— 6 SOS cabinets;

— 2 emergency station kiosk;

— 1 technical building;

— 34 guiding lights;

— 2,6 km low-voltage cables;

— 1,1 km fibre cable;

— 850 m radiating cable;

— 910 m coax cable;

— 2,4 km cable conduits.

11 signs.

— 4 variable signs;

— 2 red blinking lights;

— 2 barriers with loops and cameras;

— 202 m railings with metal rails;

— 845 m guardrails made of concrete, in tunnel;

— 137 m guardrails made of concrete, in open air;

— 5 600 m² PE foam;

— 600 m³ shotcrete;

— 2 000 support bolts;

— 50 m³ blasting in tunnel;

— 100 m³ blasting in open air.