Runway 25L/07R - Brussels Airport

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In May 2015, Aswebo began renovating runway 25L/07R at Belgium’s national airport. The renovation was essential to ensure the safe and efficient operation of the runways. The contract for this first phase of the works is worth 17 million euros. The two other runways will be tackled over the next few years.

Runway 25L/07R is the first of the three runways at Zaventem to be thoroughly renovated. The works are part of a wider maintenance programme for the runway infrastructure to be carried out by Brussels Airport over the next few years.

Aswebo will tackle runway 25L/07R between May and September. This is a major renovation project. The top layers of 12 centimetres thick asphalt will be completely replaced. The hard shoulders alongside the runway and the gutter for the runway will then be removed as far as the foundations and reinstalled. The drains for the runway are also being renovated.

The works are scheduled to take place in the summer because the weather conditions will be ideal. Careful planning will ensure that the impact on capacity and preferential use of the runways will be minimised.

Some key figures:
• Runway 25L/07R is 3,211 m long and 45 m wide
• 200,000 m² of asphalt, in layers of 12 cm thick, stripped and replaced
• 60,000 m² of hard shoulders along the runways removed and rebuilt
• 218 kilometres of cables replaced
• 7 kilometres of channels to drain away rainwater, removed and reinstalled
• 9 kilometres of drains renovated
• Watertight cladding of tunnel replaced
• 1,300 bulbs replaced with LED bulbs


Willemen Infra came into being on 1 July 2018 as a result of the merger between Aswebo, Aannemingen Van Wellen and the infrastructure department of Kumpen and is a leading road builder and asphalt and concrete manufacturer.


Project Details

Leopoldlaan, Zaventem, Brussels, Belgium
Brussels Airport
Construction period
3 months
Start work
End of work