Category 1: Public buildings and commercial buildings without fixed workstations; maximum fee NOK 4,480. Category 2: Commercial buildings with fixed workstations without mechanical processes and pollution; maximum fee NOK 13,440. Category 3: Commercial buildings with fixed workstations and with mechanical processes and risk of pollution; maximum fee NOK 26,875. Category 4: Major building complexes, for example airport developments and shopping centres, that require considerably more work than what is stipulated in the individual categories; the fee is decided in each individual case. Category 5: Individual cases that do not fall into any of the above-mentioned categories, for example ventilation cases and technical building installations; maximum fee NOK 1,295.
