It is an international commercial custom that traded quantities of bulk cargo such as iron ore, coal, steel scrap, grain and some specific quantities of liquid cargoes are determined by draft survey. During a draft survey, cargo quantities are calculated based on the change of ship's drafts between different stages in the loading or discharging process by using the scales and hydrostatic property tables on board the ship. This convenient method is universally adopted as the most efficient and reliable way of measuring the cargo quantity where accurate product properties such as density and stowage factor are not reliable.
US Marine Survey conducts draft surveys on a variety of different ship types and cargoes. We use internationally recognized methods and modern equipment for measuring the necessary variables for an accurate outcome. We have a highly professional and specifically trained group of surveyors assigned for draft surveys.
Houston Draft Survey, New Orleans Draft Survey, USA Draft Survey, US Draft Survey, Corpus Christi Draft Survey, Brownsville Draft Survey, Port Arthur Draft Survey, Lake Charles Draft Survey, Baton Rouge Draft Survey, Beaumont Draft Survey, Galveston Draft Survey, Freeport Draft Survey
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