Dry docking for repair and maintenance works
Cleaning, sand-blasting and painting of the hull, change the cathodic protection, check the valves, check the shaft line and steering gear, cleaning the tanks, cleaning the chain locker, change valves and pipes, overhaul main machinery and pumps, steel renewal works, extension and calibration chains, paint anchors, change rubber hold lids, sand blasting and painting hold lids, installation ultraviolet BWTS, electric repairs etc