Detailed engineering design involving replacement of the existing Ø800 PREMO concrete water mains with Ø1000 mm steel water mains PN16 from Hunstok in Sandefjord municipality to Akersvann pumping station in Stokke municipality. The line is approx. 16 km, of which 2 km is planned executed in a new line around the centre of Stokke. However, for the main part of the section, pipes shall be replaced in the existing line. The engineering design is expected to be divided into stages. The execution is planned to be carried out in stages over 2-3 years. The tender documents are electronically available and are distributed by e-mails upon requests to the project manager Einar Klavenes: ek@viv.no