Dry docking for repair and maintenance works
Cleaning, sand blasting, painting, change cathodic protection, check valves, check clearances rudder and shaft line and, thickness measurement, assemble and disassemble bottom plugs, checking, calibration, pressure cleaning, lower and extension of chains and anchor, cleaning chain locker, clean sea chests, dismantle and repair valves, renewal some pipes, polish blades main propellers and auxiliary thrusters, different repairs accommodation, repairs crane, steel works, etc.