Upgrades to the electrical and technical control installations, site and construction engineering, as well as traffic management in Håklepp tunnel.

Electro/SRO:

— 1 new technical building (South),

— renovation of an existing technical building (North),

— 2 new emergency station kiosks in the open air,

— 4 new emergency stations in the tunnel, with new sub-distributions, as well as drawing cupboards,

— 2 new barriers,

— 4 new variable signs (RBG),

— 610 m continuous emergency lighting,

— 7 new street light points for the transition zone to unlit road,

— 610 m radiation cable,

— approx. 16 000 m electricity cables,

— approx. 2 500 m fiber cables,

— approx. 180 lighting fixtures,

— approx. 14 000 meter conduits,

— approx. 700 meter cable ladders,

— complete earthing installations.

Site and construction engineering:

— 110 m2 blasting, back ripping and pigging,

— 6 000 m2 insulated arch of shotcrete,

— 1 060 m3 reinforcement layer, ballast,

— 2 910 m2 sub-base, asphalt,

— 7460 m2 asphalt cover, wearing course,

— 160 m2 wall,

— 638 m railings, concrete,

— 280 m railings, steel,

— 640 m ditches for surface water and surface water pipeline,

— 16 manholes for surface water,

— 1 oil separator.