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Expansion of Oslo Airport completed

The new extended airport officially opens today, 27 April. It’s the largest single building project in Norway and ÅF has played a key role. The airport has increased its capacity from 23 million travellers per year to 30 million travellers per year, and to a new maximum of 90 aircraft movements (arrivals/departures) per hour.

“Completing the airport expansion project on time, within budget and side by side with a fully operational airport, is no less than outstanding,” says CEO at Avinor, Dag Falk-Pedersen.


Oslo Airport Gardermoen is the main hub of air travel in Norway and with growing air traffic there was a need to increase the capacity and services at the airport. 6 years, 6 months and 17 days since the project started the expanded airport is ready for use. The airport is expanded with a total of 141,000 sq. m. (116,000 sq. m. of which is new-build and 25,000 sq. m. is conversion work). It has a new terminal with 34 check-in desks, a 300-metre long pier with 17 gates, new taxi runways, an adjacent arrivals and departure hall and a new railway station.

ÅF has provided a complete project organization to Avinor, which is responsible for all state-owned airports in Norway. ÅF has overseen all phases of the expansion project, from design, construction and purchasing to installations, testing, documentation, training, start-up and operational hand-over. In addition ÅF has managed the construction of the airport shopping area. 16,000 sq. m. of brand new duty free shopping, cafés and restaurants have been built during the last few months of the project. It’s one of the largest projects in ÅF’s portfolio in recent years with a total cost scheme of NOK 14 billion (EUR 1.5 billion).

Complex project
ÅF´s project director Knut Erik Norby has, in close collaboration with Avinor, led a large team of 130 project managers and construction managers from ÅF.  The project management team has coordinated work with more than 600 different contracting companies.

Knut Erik Nordby explains the complexity of the project: “Firstly, the expansion of Oslo Airport was an extremely large project. Secondly, we had a fully operational airport while building, with traffic that grew severely during the construction period. This required a lot of planning and coordination work.”

The airport´s capacity has been maintained each and every day during the 6,5 years long construction period and Oslo Airport has even been named Europe´s most punctual airport several times during the project time.

First airport in the world with BREEAM Excellent certification
Oslo Airport was recently certified BREEAM Excellent. The new areas of the airport are built to meet passive building standards, as the first airport in the world. Passive buildings are super-insulated to minimize energy loss. The new areas of the airport have a 50 percent reduction in energy use compared to present day buildings.
To reach these ambitious environmental goals Oslo Airport recovers energy from waste water, high insulation glass reduces energy needs and certified and sustainable materials are used throughout the new areas. The snow that’s removed from the runways in the winter is used to cool the buildings in the summer.

The impact of a good test regime
ÅF has long standing experience conduction testing during the commissioning phase. This experience was valuable for the project and had a great impact on the end results. All in all 1 192 tests were conducted. They secured that the new areas of the airport were efficiently and safely set in operational mode. Financially the test regime also had a positive impact for Avinor, as the new areas of the airport were operational earlier than anticipated.

Furthermore, the project has worked actively to combat illicit work, illegal employment and all grades of the so called shadow economy. This work has been led by ÅF in close cooperation with Avinor, The Norwegian Confederation of Trade Unions, Norwegian tax authorities and the police.

ÅF continues managing airport projects in Norway, both with the extension of the Non-Schengen terminal at Oslo Airport and the new military air force base at Ørland where Norway´s new F-35 jet fighters will be stationed.