The emptying of sludge from private and municipal interceptors for sludge (septic tanks) in Saltdal municipality. The contract includes the emptying of interceptors for sludge/sealed tanks and municipal interceptors for sludge, as well as dewatering, and transportation there of to a reception/treatment plant. The contract period is from 1.1.2017 — 31.12.2021, with option for up to 2 years extension, 1 year at a time.