Kongsberg municipality pre-qualification: Renovation of a dam installation Tangentjern and Rundetjern.
Planned renovation work on the Tangentjern dams (TA1, TA2, TA3 and TA4).
Planned work consisting of reinforcing and improving work on a total of 8 dam installations. The work involves comprehensive concrete work on 3 slab concrete dams. Comprehensive ground work on 2 minor rock-fill dams / abutments. Minor alteration of 2 concrete submerged weirs and minor alteration to a floodgate on a concrete curved dam. A stone quarry must be established for the dam installations and upgrades to the roads, as well as new site roads.