Draft Survey

We use our inspection and supervision expertise to support our clients. With a global presence in more than 80 countries, we offer customers an unparalleled perspective to ensure sustainable added value.
A draft survey is a means of determining the weight of cargo on board the vessel, where the displacement of the water before and after loading/discharge is measured, with the resulting difference representing the weight of the designated cargo.

A survey is performed by reading the vessel's draft markings at six standard points on the hull: forward, midship and towards both the port and starboard sides. Revisions for factors such as trim, water density and non-cargo weight (such as fuel oil and drinking water) are part of the calculation that we perform.

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