Location

In the small village of Zinkgruvan 50 km south of Örebro in the middle part of Sweden.

Client

Zinkgruvan Mining AB

Scope of Work

2,100 m of inclined ventilation raises in diameter 3.5 m from surface down to level 960.

Project description

Two of the longest inclined raises ever performed in Europe started in January 2001. Zinkgruvan is expanding its operation further to a lower level and needs a new ventilation system to meet the production demands. The system will consist of a number of diameter 3.5 m raises from the surface to level 960. The project commenced from the surface during the winter of 2000/2001.

Equipment on Site

Robbins 97 DC, Rhino 2000 DC Atlas (Secoroc) and Sandvik reamers and cutters.

Project duration

2001

Special Features

Two inclined raises from the surface in diameter 3.5 m, each with a length of approx. 600 m.