Nedre Romerike Waterworks (NRV) og Ullensaker municipality will construct a reserve water pipeline between Frogner and Kløfta in order to increase the security and
Capacity in the water supply. The reserve water pipeline consists of a total of approx. 9 km land pipeline, split between several contracts. A sewage pump pipeline will also be included on major parts of the stretch.
This tender documentation is for excavation work on the last part of the stretch, approx. 3 km. In addition there will be work with the transported sub-contractor for directional drilling, approx. 3,4 km (the total is split between 2 parallel drill holes). Pipe dimension 710 mm PE VL and 560 mm PE PSP.