Access Tunnel Klammsteinbruch

Project objectives

Construction of a 220 m long access tunnel in the Klammstein quarry (Gastein valley), expansion of the existing quarry.

Project description

The Christian Ehrensberger Gmbh operates the Klammsteinbruch quarry in Klammstein (Dorfgastein). The access tunnel was constructed for the development of new resources. The Tunnel passes under the ridge at the entrance of the Gastein valley.

Project data

219 m length NATM
63 m maximal overburden
45,5 m² excavated cross section
Altitude 1100 müA

Project specifics

The access tunnel is located in the metamorphic Klammkal limestone units. Faults with Karst appearances are located near the east portal.

Services

Geological documentation and on-site geotechnical counseling, Planning- and on-site safety coordination according to the Austrian BauKG, Permit application design, Tender procedure, Site Supervision