Activities
- 35%: pipelines and cables
- 20%: tunnelling and drilling
- 20%: sewers and water mains
- 15%: buildings and civil construction
- 10%: renovation, restoration and special techniques
- Pipelines & Cables
- All types of liquid and gas pipes for conveying natural gas, industrial gases, plus chemical and petrochemical products
- Low and medium pressure pipes for gas distribution
- Industrial pipes plus measuring and control stations
- Industrial fire-fighting pipes
- High and low-voltage cables
- Telecommunication cables
- Electromechanical equipment for the steel industry, chemical and petrochemical industry, automobile industry, gas and electricity stations
- Earthworks, waterworks, road works
- Tunnelling & Drilling
- General tunnel constructions
- Thrust-boring of pipes
- Microtunnelling
- Horizontal drilling
- Vertical sinking of shafts
- Buildings & Civil construction
- Buildings
- Civil engineering structures
- Waste-water purification plants
- Drinking-water production installations
- Water towers and reservoirs
- Pump stations
- Sewers & Water mains
- Waste-water collectors
- Sewer systems
- Drinking water and raw water lines for transport, production and distribution of drinking water
- Cooling pipes for nuclear power stations, traditional power stations and combined power stations
- Hot-water pipes for district heating systems
- Renovation, Restoration & Special techniques
- Jet-grouting to stabilise soils, stabilisation of buildings and shaft construction
- Soil injection, ground anchors, nail joints, micropiles and other underpinning methods
- Soil stabilisation with Portland cement pillars through pressurised deep-mixing under subnormal pressure
- Restoration and renovation of buildings and monuments with demolition, reroofing, façade repairs, timber restoration, masonry, concrete and natural stone repairs, sealing of basements and strengthening foundations
- Crack injection, concrete spraying techniques, coatings, epoxy and hydraulic mortars, water-sealing injection for repairing structures in tunnels
- Sewer relining and repairs including cleaning, camera inspections, polyurethane and cement sealing injection, spray concrete, valve method, long relining with sleeve and short tube-type packer joint renovation
- Environmental techniques with landfill sealing, dump redevelopment
- Installation and application of sound barriers, tunnel linings, bridge and tunnel joints, surface renovation and construction of foundations
- Rail track work
http://www.denys.be
