The Contracting Authority wants tender offers on the delivery of cleaning services to the Norwegian Public Roads Administration Eastern Region premises in the counties of Oppland, Hedmark, Akershus, Oslo and Østfold. Currently there are 43 locations distributed throughout the region, and the premises consist of everything from small inspection stations of approx. 30 m2 to larger office premises of approx. 9 000 m2. Otherwise, the premises consist of large, medium and smaller office premises, traffic stations with inspection halls and site offices. Cleaning shall be inspected based on The Nordic Standard INSTA 800 (NS-INSTA 800 Cleaning Quality — Measuring System for judging quality of cleaning).