In connection with the establishment of a new joint sewage treatment plant for Gjerdrum and Fet municipalities and Sørum in Sørum municipality, approx. 33 km of new transmission facilities shall be conveyed for the establishment of a new joint sewage treatment plant.

This assignment consists of the construction of nine sewage pump stations complete, four superstructures for sewage drop tanks, one technical cupboard for a valve manhole and one raw water pump station for process water from Glomma. An existing pump station shall be renovated and altered in Fet municipality in order to turn the pump direction. In Sørum at Hammeren a pressure increase station shall be constructed.

The sites have the following location as regards municipal borders:

Gjerdrum municipality: Two sewage pump station and one drop tank.

Fet municipality: Three sewage pump stations.

Sørum municipality: Three sewage pump stations and three drop tanks and one sewage pressure increase station.

The pump station for raw water is located in Sørum.