•
Underwater construction, repairs,
running (operational) and maintenance
of the sub-sea engineering structures,
oil and gas equipment, fountain and special
facilities.
•
Underwater survey of sub-sea
engineering works.
•
Building and repair of underwater main
oil pipeline and cable crossings.
•
Underwater insulation.
•
Underwater ship lifting and salvaging.
•
Repairs of underwater main
oil pipeline, installation of joints,
replacing the pipeline defective part
in the caisson space.
•
Repairs of insulation coatings
using underwater polymer compounds.
•
Sea and river bottom dredging and cleaning.
•
Ship repairs and vessel hull
cleaning.
•
Underwater mouting operations.
•
Intakes and exhaust repairing and cleaning.
•
Underwater welding and cutting.
• Servicing
of research institutions (underwater super-vision
and installation of research instruments,
taking various scientific measurements,
collecting samples of animal organisms
and underwater plants).
•
Hydro-graphic sea and river
bottom survey using satellite positioning
system.
•
Sea and river bottom survey
and cleaning of the popular recreation
facilities on the riverbank or seashore.
•
Underwater photo-TV-video survey and mapping.
•
Search and surfacing of different
objects and targets.
|
