DRAFT SURVEY

Draft surveys are used to determine the weight of bulk cargo such as iron ore, coal, steel scrap, grain and some specific quantities of liquid cargo loaded onto, or discharged from, a vessel.

Draft surveys at GDENS are convenient and economical. It means of ascertaining the quantity of cargo loaded or discharged from a ship by reading the vessel’s drafts, measuring the ballast water, fuel and diesel oil and other liquids on board, and calculating the final quantity by using the vessel’s approved deadweight scales and tank tables, etc.

GDENS is always concerned for the accuracy of a weight determined by draft survey that also depends upon the sea conditions (pitch and swell) at the time of loading or discharge.