The purpose of the procurement is to cover Ringsaker municipality's need for septic sanitation services. All treatment devices in the municipality is subject to a compulsory emptying scheme. This applies for all houses, businesses, recreational facilities and other built-up areas included in the emptying scheme, including: — The emptying of interceptors for sludge for houses and recreational facilities, as well as mini treatment plants and sealed tanks in the municipality. The sludge shall be transported to a treatment plant. — Emptying and transport of bio sludge from smaller municipal treatment plants to the treatment plant in Moelv. — The establishment and maintenance of the emptying schedule and emptying routes for the municipality — Registration of emptying, deviation and condition, possibly with pictures. — Acquisition of information from new plants.