ACTIVITIES

1. ENGINEERING WORKS ON SEA- AND HYDROTECHNICAL FACILITIES INCLUDING:

  • - research, projects, building, maintenance and repairs of:
    •      · Pier- and dam walls
    •      · Dam towers
    •      · Tunnels and pipelines
    •      · NPP, HPP, TPP; water treatment plants             
  • - cleaning, repairs, jointing of canals and pipelines
  • - laying of cables, installation of specific underwater constructions, equipment and tools on the bottom of the sea as well as lakes, dams, and other reservoirs
  • - repair of joints and cracks on concrete and reinforced concrete surfaces under water, repair of concrete surfaces underwater through application of underwater coatings
  • - underwater washing, cleaning and ejector processing of different substances
  • - congestion, isolating and water tightening of underwater objects and constructions
  • - pumping out flooded compartments etc.
  • - underwater cutting and welding

2. UNDERWATER INSPECTION AND CARTOGRAPHY

  • - elaboration of documentation, records and drawings after the inspection
  • - measurement of depths and elaboration of precise sea bed maps
  • - underwater search of sunk objects using echo sounder at sea, lakes, dams, etc.
  • - Underwater pictures
  • - Underwater video recording

3. UNDERWATER SHIP SERVICES:

  • - Machine cleaning hulls overgrown with seaweed.
  • - Machine cleaning of propellers.
  • - Machine polishing of propellers.
  • - Stern tube bandaging for seals replacement.
  • - Release of the propeller from hawsers.
  • - Cleaning of sea valve gratings, disassembling and mounting of grids.
  • - Cleaning sea chest.
  • - Unclogging and clogging of sea valve gratings and sea chests.
  • - Plugging up of holes.

4. SALVAGE OPERATIONS

5. UNDERWATER DEMOLITION ACTIVITIES