Milestone. Bærums-based company Geonor will monitor the groundwater along the Fornebubane route.

Geonor will "check underground" before the track is built - the first contract that involves purely physical work on the track.

- "The contract is by far the largest in our history," says sole owner and CEO Øyvind Klevar of Geonor.
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- "The award of the contract marks a milestone," says Irene Måsøval, Director of the Fornebubanen.

The equipment and technology supplied by Geonor will be used to monitor groundwater in the ground where the Fornebubanen will be built. The company will install sensors along the planned rail route.

- A total of around 350 sensors are planned to be installed from Majorstuen to Koksa. "Information about conditions in the ground, such as groundwater, is important for such a large structure as the Fornebubanen," says Øyvind Klevar.

Provides more opportunities

The contract is worth NOK 17 million and runs for 9 years. After the actual installation, the work involves operation and maintenance of the monitoring system.

- What makes the contract special?

- The size and the fact that it is linked to such a large and important project. The complexity of the project with challenging ground conditions and many landowners is another thing. It's also exciting how we use the 'internet of things' for remote monitoring," says Klevar.

The contract also provides several different opportunities in the future, he points out.


- "Similar systems can be installed to monitor new tunnels, road projects, railway developments and large buildings. The technology could also be used to monitor natural hazards such as floods, landslides and avalanches," says Klevar.