1. In-Water Survey of an underwater part of vessels and the propeller-rudder complex afloat with using underwater TV and a digital photo.

1.1. We have Certificates of Approval from “Russian Marine Register of Shipping”,”Germanischer Lloyd”, “Lloyd Register”, Latvian Maritime Administration, RINA (Registro Italiano Navale)

2. Removal of old and installation of new Zn anodes.

3. Montage of hermetic bandages for replacement of tail-shaft packing.

4. Repair work of the propeller-rudder complex:

> cutting off the damaged blades;
> removing of unnecessary objects;
> removal of the damaged rope guard casing and making and montage of the new;
> repair of fastening rudder blade.

5. Cutting off damaged bilge keel fragments and repair of it.

6. Placing of plasters on holes, cracks, sea chests for water leakage stop.

7. Emergency water leaking stop using special underwater polymers.

8. Cleaning and repairing of sea chest gratings and bow thruster defense grids.

9. Restoration of fastening of rotating-sliding systems of hydro-acoustic stations and repair of fairings.

10. Using underwater electric welding for removal of damages of shell plating.

11. Repair (including underwater welding and cutting) of berth’s and other underwater structures.

12. Laying, inspection and repair of underwater pipelines and cables.

13. Lifting of sunken wrecks and other objects.

14. Cleaning and repair, and also building of water intaking structures, underwater sewer emissions and fish-guard systems.

15. Underwater survey and repair of bridges, piers, dams and other hydrotechnical engineering structures.