The main fire station in Oslo was constructed in 1941 and it was built as a fire station. The fire station is designed as a horse shoe, the main and south wings have 8 floors and the north wing has 6 floors. The total area is approx. 11 510 m2. The building is registered as worthy or protection on the Cultural Heritage Management Office's yellow list. The 7th floor included in this requirement specification has been built as a flat. The floor shall now be altered to temporary office premises. The area in question is approx. 550 m2. Emergency renovation is currently being carried out on the building's 1st — 6th floors, for which there is a turnkey contract with KF Entreprenør. The building is to be renovated so that it can be run for up to 10 years before it is demolished. This contract consists of technical HVAC work, electrotechnical work and construction work.