The assignment comprises excavation and laying of storm sewer from Sørli to Størsrud. A water conduit for NRV will be established in the same trench. Length 2480 m. Dim Spv. 315 and 450 mm. Dim VL 450 and 520 mm. NRV delivers pipes and pipe parts for water. Furthermore, a pressure tank/drop-tank will be established at Størsrud. The cable route to the pressure tank: 250 m with 2 x 450 SP and 75 mm water conduit.. The pressure tank (the drop-tank) is 30 m long, dim Ø 1600 mm. Parts of the route shall be performed by guided drilling under a stream, length 100 m. The main part of the route goes through agricultural land.