Avinor AS intends to enter into a contract with a supplier for the delivery of sand and solid sand spreaders for use at airports. The contract will be valid for 3 years with an option for a further 2 years. The machines will be i the volume segment 3-9 m3, calculated for assembly on carrying vehicles, or assembled on a trailer. The main assignments will be gritting with sand on runways, taxiways, exits, airport aprons etc. In addition the spreaders shall be used for spreading chemicals in granules.