The ive of the tender contest is to procure supplementary sub-surface surveys at Kvasnes in Sula municipality. The sub-surface surveys concern a planned joint sewage treatment plant in rock. The plant shall receive sewage from Sula and parts of the old Ålesund municipality. Studies for detailed projects are now relevant to procure. The purpose is to map the uncompacted material strength and rock quality. The tender contest also includes an option for the purchase of core drilling. NS 8402:2010 shall be the basis for the contractual work. The assignment is settled according to the quantities performed.