In bulk cargo transportation by sea, accurate determination of cargo quantity loaded or discharged is a critical factor that directly affects the interests of all parties involved. VIET MARINE CONTROL JOINT STOCK COMPANY (VM CONTROL) provides professional, independent, and reliable Draft Survey services to meet this essential requirement.


What is a Draft Survey?
A Draft Survey is a method used to determine the weight of cargo on board a vessel by measuring the vessel’s drafts before and after loading or discharging, combined with the vessel’s hydrostatic data and actual environmental conditions.
Scope of VM CONTROL Draft Survey Services
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Draft Survey for cargo loading operations
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Draft Survey for cargo discharging operations
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Applicable to various bulk commodities such as coal, iron ore, clinker, grain, fertilizer, steel coils, woodchips, etc.
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Carried out at seaports, anchorages, offshore locations, or during barge operations



Survey Procedure
VM CONTROL surveyors conduct:
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Draft readings in accordance with international standards
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Verification of all influencing factors including seawater density, ballast condition, fuel oil, fresh water, and onboard consumables
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Independent calculation and analysis of all collected data
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Issuance of Draft Survey Reports and Survey Certificates with clear and transparent results
Benefits of Choosing VM CONTROL
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✔ High accuracy in compliance with international practices
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✔ Experienced and well-trained marine surveyors
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✔ Timely reporting with clear and verifiable figures
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✔ Protection of cargo owners’, charterers’, and stakeholders’ interests
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✔ Effective prevention of quantity-related commercial disputes
