Special Diving Works – UXO clearance (demining) of water areas. Underwater blasting, rocky soil fragmentation, dismantling of constructions. Inspection of the water area by acoustic sounders, echo-depth locators, detection of lost objects. Underwater welding and cutting.
Underwater Technical Diving Works – performed during inspection, construction and repair of underwater parts of hydro-technical constructions, pipe lines, cables and communication lines, depth-increasing works, maintenance service of hydro-technical constructions, maintenance and cleaning of waterways and water areas while lifting drown equipment and vehicles.
Vessel Lifting Diving Works – performed by divers during inspection of the drown vessel, preparation to lifting, lifting and floating of the vessel.
Ship Maintenance Diving Works – inspection, fouling cleaning, elimination if underwater hull damage and repair of underwater equipment of vessels in service.
Underwater Archaeology Inspection.
Maintenance and Cleaning of Underwater Parts of Hydro-technical Constructions – cleaning off soil, dirt, construction rubbish, technological fouling; lifting drown objects, rubbish; Maintenance service of water supply channels, sewage system, hydro-technical constructions, underwater pipe lines; tightening and caulking of seams and gaps – prevention of filtration prior to sealing them; instrumental preparation of inlet chambers.
Mantling/Dismantling of Metal Constructions – blinding pipelines for revision of locking armature; mantling of metal frames and basement constructions, support walls, heads, bridge support systems, pipes, electricity lines and concrete structures, submersion of metal and iron concrete caps, mounting of mooring buoys on iron-concrete anchors.
Underwater photo and video.