1. Ensures the mechanical repair sites.2. Develop construction plans and ship stability calculations.3. Provides for the equipment and maintenance of the vessels' organs:· Development of ship building plans,· Stability calculation,· general mechanic,· Diesel engines,· electricity,· Cold regulation,· Hydraulic,· Cold,· metal frame,· Boilermaking,· Welding,· Piping pumps,· Valves and valves,· Boilers,· Osmosis surface treatment.