Your partner for complex
shaft projects

We realize challenging projects in shaft construction - nationally and internationally.
Whether complex geology, tight time frames or special operating conditions - we adapt our processes precisely.

Our range of services extends from exploratory drilling, planning, sinking and installation to maintenance, refurbishment and decommissioning.
We combine decades of experience with innovative technology, the highest safety standards and partnership-based cooperation.

Current & completed work

Our projects show what sets us apart: technical expertise, reliable execution and tailor-made solutions.
We develop individual concepts - tailored to the conditions on site and the objectives of our clients.
Discover a selection of our current and successfully completed projects here.

Grossgartach and Kochendorf: Major energy transition project

Sinking the Grossgartach and Kochendorf shafts for underground routing

Woodsmith Mine

Construction of three shafts for Woodsmith mine in North Yorkshire, UK

Nezhinsky mine

Sinking two freeze shafts for the Nezhinsky potash mine of OOO Slavkaliy in Belarus

Malmberget iron ore mine

Concept study for sinking two new shafts

Shaft Konrad 2

Rehabilitation and development of the shaft and excavation of connected mine chambers

Uralkali mine Ust-Jaiwa

Sinking two freeze shafts for the Uralkali mine Ust-Jaiwa in Russia

Gorleben exploration mine

Dismantling and backfilling the horizontal areas of the mine

RAG dewatering

Shaft conversion measures and accompanying measures to monitor and ensure the pumping of mine water

HS2 Northolt Tunnels

Freezing work on 13 cross-passages for the High Speed 2 (HS2) line in London

Joseph-Else mine

Operation, maintenance and repair of the shafts and winding machines at Joseph-Else mine

Asse II mine

Retrieval of radioactive waste from storage chamber 7/725

shaft Asse 5

Planning of the Asse 5 shaft

Shaft Konrad 1

Shaft rehabilitation work to modernize the Konrad 1 shaft hoisting system

Autazes mine

Trade-off study on sinking two new deep shafts | SBR vs. conventional shaft sinking

Satimola project

Concept study and budget estimate for sinking two new shafts

Konrad mine

Excavation of the pit areas for backfill processing (lot 1)

Shaft Zielitz 1

Rehabilitation of a section of the main hoisting shaft of the Zielitz potash plant using injection and shotcrete

Rijnlandroute Tunnels

Freezing of eight cross-passages of the Rijnlandroute Tunnel in Leiden, Netherlands

Ismāilia road tunnel

Ground freezing to create four cross-passages

We plan, sink and renovate shafts.