Flat bottom, vertical sides and curves were found heavily fouled with barnacles and sea grass. Propeller was also found 100% fouled with barnacles. Great mass of fishing-nets were found entangled on the tail-shaft, which were cut off and removed.
CASE STUDY DESCRIPTION
The underwater cleaning of flat bottom, vertical sides and curves was carried out by hydraulic brush kart system.
The propeller polishing was carried out by 3M diamond disc pads.