The services comprise all geodetic surveying tasks during the construction period lasting until 2015. The value of Poyry’s assignment is about EUR2.1m.
The new Linth-Limmern power station will be installed underground. The project will include building of a new gravity dam, extension of the Tierfehd compensation basin, two new caverns for the turbines and the transformers and two pressure shafts and two underwater tunnels.
Poyry said its tasks comprise the independent checking of all major geodetic surveying works as well as geodetic deformation measurements and the monitoring of caverns, dam and tunnel sections.
The company’s contract also includes the geodetic basic point network and the setting-out of access tunnels, galleries, caves, gravity dam, surge chamber, pressure shafts and associated structures.
Poyry’s task ends with the industrial surveying for the installation of components such as turbines and steel structures. The company will ensure that all systems can be built, erected, installed and put into operation by December 2015.
