Ullensaker municipality shall construct a new water treatment facility at Hurdalsjøen so as to increase the security and capacity of the water supply. As a part of this, new transfer lines shall be constructed from the water treatment facility to the connection point just north of Rutholen. The transfer pipelines consist of 4.3 km of submarine pipeline and 11.4 km of land pipeline, divided between three lots. This tender documentation is for the second part of the land route.