IVAR IKS will lay a new water main from Langevatn in Gjesdal to Tjensvoll in Stavanger. The pipeline will have a total length of approx. 34 km and will pass through Gjesdal, Time, Klepp, Sandnes, Sola and Stavanger. As part of this, a new control basin and seven new valve chambers will be built. This contest concerns a new control basin at Fjermestad.