1. BUILDING, RECONSTRUCTIONS AND REPAIR OF HYDROTECHNICAL INSTALLATIONS:

• Building, reconstructions and repair of hydrotechnical installations, Assembling and dismantling works underwater
• Repair and rehabilitation works on NPP, HPP, TPP; water treatment plants
• Underwater works in the oil and gas field industry
• Partitioning of canals and tunnels
• Repair of joints and cracks on concrete and reinforced concrete surfaces under water and above water, repair of concrete surfaces underwater through application of underwater coatings
• Application of corrosion protection coatings

2. SPECIALIZED UNDERWATER ACTIVITIES
• Cable placement and fortification of cable tracks underwater
• Assembling of concrete framework and concrete placement underwater
• Injection works underwater
• Salvage operations
• Alpine activities

3. CUTTING, DRILLING AND WELDING ABOVE AND UNDERWATER
• Concrete and reinforced concrete cutting and drilling with hydraulic machine
• Drilling and chipping with pneumatic techniques
• Underwater welding

4. DREDGING - DEPOSITS CLEANING AND DEEPENING
• Cleaning of deposits and sand in enclosed water bodies
• Pier deepening

5. UNDERWATER INSPECTIONS
• Elaboration of documentation, records and drawings after the inspection
• Underwater video filming and photography
• Inspections at difficultly reachable sites
• Measurement of the thickness of metal constructions

6. WELDING AND DETAILS RESTORE/REHABILITATION CENTER – WITH “CASTOLIN” EQUIPMENT, TECHNOLOGY AND MATERIALS
• Surface protection against the abrasion and erosion
• Dust building/welding of shafts

7. GEODESY, HYDROGRAPHY AND CARTOGRAPHY
• High precision determination of GPS co-ordinates, measurement of depths and elaboration of precise sea bed maps;
• Elaboration of digital models, profiles, quantitative characteristics for research and construction works at sea;
• Complete hydrographic servicing of dredging works for the maintenance of sea routes and port water areas.
• Making of geodesys basе and filming