Bane NOR SF invites tenderers to participate in a competition for the operation of Sefrivatn soil extraction site and the accompanying obligation to delivery crushed stones for railways. The operation of the soil extraction site also includes operation for self purposes, including sale of excess matter to third persons. The competition includes an option for expanding the soil extraction site to the neighbouring property on given terms. Tenderers are also invited to submit tenders for the delivery of crushed stones for laying in railway tracks.