For the 531 MW power plant project, a total of 74 kilometers of tunnel, several shafts and 2 caverns with an excavation volume of just over 40,000 cubic meters each will be excavated. A total of 6 tunnel boring machines will be used to excavate 40 km, while the remaining tunnel will be excavated by blasting. The construction site extends from 820 m to 2,500 m above sea level.
Location: 50 km southeast of Santiago; Chile
Client: Alto Maipo SpA
Commissioned by: STRABAG Chile
Performance period: since 2014
Together with the Chilean subsidiary Geodata Andina, we are responsible for the entire construction and excavation surveying. The scope of services also includes optical 3D displacement measurements as well as network and control surveying.