Hamar municipality intends to enter into a parallel framework agreement with up to three (3) tenderers for the provision of ventilation services. The main service concerns, among other things, general service, maintenance, alterations of installations, purification of ventilation installations, adjustments, indoor climate measurements, air quantity measurements, new installations, checks and troubleshooting of the existing ventilation installations. There is a need for large and small ventilation work in different buildings. Call-offs under the framework agreement will be carried out in accordance with a prioritising model where tenderers rank in accordance with the award criteria. Assignments are first offered to the tenderer ranked as no. 1. If this cannot undertake the assignment, the assignment will be offered to the next tenderer in the ranking. Further details on the service are stated in the "Requirements" tab.