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In our segment Infrastructure, we realize civil engineering, reconstruction, and tunnel projects for domestic and foreign clients in the public and private sector. In addition to our high standard of craftsmanship, we consider an extensive planning competence as one of our many advantages. The following project categories summarize our extensive business activities: pre-stressed and post-tensioned concrete bridges,road bridges, trough structures, hydropower plants, assembling and launching of steel bridges, bowstring arch bridges, truss bridges, railway bridges, composite bridges, concrete refurbishment, viaduct repairs, crack injection, shotcrete applications, fiber-enhanced plastics (CFRP), surface protection systems, strengthening of concrete components, steel retrofitting, welded structures, weld seam repairs, strengthening and retrofitting of steel structures, tunnels for road and railway, escape tunnels, tunnel refurbishment, caverns, securing rock, shafts of different kinds, retaining walls, slope protection, ...  more
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Using state of the art technologies, we design, fabricate, and build products for the domestic and international specialized foundation, mining, and bridge construction sectors. Our product range includes the design, engineering, fabrication, assembly, welding, and machining of under carriages, upper carriages, slurry trenchers, soil drillingrigs, hydraulic power units, specialized heavy construction devices and tool carriers for a variety of construction machinery, fabrication engineering shop drawing development for heavy steel construction for steel bridges and special construction.
The service portfolio of the segment machinery and equipment is complemented by our extensive activities in environmental technology departments of biogas engineering and water management. Our turnkey biogas plants with their tall, slim-design steel fermenter tanks provide innovative and highly economical process technologies for the production of renewable energy from manure and energy crops (renewable raw materials) .... more
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The Segment Mining focuses on planning and execution of any kind of special underground mining activities for vertical and horizontal mine openings worldwide. Additionally, we provide extensive expertise in securing old mining areas to maintain public safety. Our experience of more than a 100years of mining will benefit you during the realization of the following underground constructions: shaft sinking, driving of underground drifts by blasting or roadheading machine, shaft landings and other shaft accesses, shaft reconstructions, shaft repair, drift reconstruction, clearing-out of abandoned drifts, dewatering and water engineering, shaft rebuilding, securing of historic mining remains, remediation mining, securing of abandoned shafts, horizontal and vertical sealing systems, dam constructions, heading of drifts, tubbing restoration and sealing, pipe systems, refilling of shafts, shaft sealing, shaft cable, shaft access, shaft equipment, man-riding system, shaft conveyor system, haulage shafts, man-riding shafts, ... more
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