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The contract is for the construction of large concrete constructions. The contract consists of the following constructions:
(a) Concrete tunnels for three tracks (in uncompacted matter and in rock tunnels);
(b) Accompanying guideways, such as facilitating for technical railway installations;
(c) 2 technical buildings with the accompanying walkable technical culvert.
The constructions are to be connected to constructions built in other contracts. A section of the concrete tunnel is to be built with the principle “top-down”, where the roofing slate has already been cast and the contractor must complete the construction with concrete work that is carried out under a roofing sheet, with the restrictions this imposes on the work. The contractor must also construct several culvert sections with a traditional “cut and cover” construction method, with a floor, walls and roof. In addition, a concrete culvert is to be constructed inside a ready blasted tunnel. The contractor must also construct two technical buildings and a walkable concrete culvert. Backfilling between the sheet piling and the ready cast constructions, as well as other minor work.