Servicing Helsinki’s ‘Underground City’
A drill rig operator at work on the service tunnel
-
Lemminkainen's Axera T11 is used within the red granite of the area -
Pregrouting was adopted to maintain the existing groundwater level,... -
A Sandvik Tamrock T11 3-boom rig at work under Helsinki -
An Axera T11 rig is moved between the project's multiple headings -
A drill rig operator at work on the service tunnel -
Map showing the current drill and blast works under Helsinki's city centre