DCN worked on most of the major dams in Austria, Germany, Switzerland, Spain, Africa, Philippines, Iran, The scope of work ranging from cavity filling and grouting of holes / cracks to blanking and replacing worn or seized valves - to complete installation of new outlets in dam walls.

• Installation of outlet pipes through dam walls
• Clearing sluice gate intakes and removal of flood material
• Removal of and replacing sluice gates
• Dredging of silted dams
• Replacement of sluice cables
• Inspections, photography, video or ROV (remote operated vehicle) for deeper diving inspections - visibility permitting
• Dye-ingress testing for confirmation of leaking areas
• Cavity filling, grouting, sealing of cracks in dams and reservoirs
• Installing valve seals, plugs, gates and rails
• Replacement of expansion rubbers in reservoirs and repairs
• Replacement of pumps, guide rails, clearing pipes and repairs in sewer sumps
• Removal of hazardous materials, in tanks, confined spaces and in inert gas