The Woodsmith Mine will be the world’s largest polyhalite deposit from 2021 onwards. For this, a new underground transport system was commissioned for the transport from the mining site to the nearest harbor. The tunnel will be built openly, conventionally and by means of tunnel boring machines.

Tunnel lenght: 37 km
Diameter: 4,7 m


frame networks,
measurements as planning basis,
coordination of the whole surveying services,
drive control,
3D laserscanning & geotechnical engineering