Cathodic protection system for water main in steel. Leg 1 Langåker - Bøe is completed and will be in operation during spring 2012. Construction works leg 2 Bøe-Hunstok are scheduled to be initiated winter 2012/2013. The tender documents also include option for cathodic protection system for planned pipeline from Honstok in Sandefjord municipality to Akersvann in Stokke municipality for the period 2013-2015. Management and follow-up of the Awarding Authority’s existing system as well as preparation of the described systems shall be included.