A Draft Survey is a method used in the shipping industry to figure out how much cargo is on a ship by measuring how deep it sits in the water. Think of it like weighing yourself on a scale, but for massive ships. This skill is important because it helps determine exact cargo quantities for buying, selling, and safety purposes. People who do this work are often called Draft Surveyors or Marine Surveyors, and they're crucial for ports, shipping companies, and trade operations. It's a bit like being a weight inspector for ships, making sure everything matches what's on paper and follows safety rules.
Conducted over 200 Draft Survey calculations for bulk carrier vessels
Led Draft Surveys and Draft Survey inspections at major international ports
Supervised team of marine surveyors performing Draft Survey measurements
Provided accurate Draft Survey reports for cargo verification
Typical job title: "Marine Surveyors"
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Q: How would you handle a dispute between ship owners and charterers regarding cargo quantity?
Expected Answer: A senior surveyor should explain the process of conducting independent verification, documenting all measurements, considering environmental factors, and preparing detailed reports that can stand up to legal scrutiny.
Q: What factors can affect draft survey accuracy and how do you account for them?
Expected Answer: Should discuss water density variations, trim corrections, environmental conditions, and explain methods to compensate for these factors to ensure accurate measurements.
Q: What safety procedures do you follow when conducting a draft survey?
Expected Answer: Should mention proper PPE use, following port safety regulations, checking weather conditions, and coordinating with ship crew for safe access to measurement points.
Q: How do you calculate a vessel's displacement using draft measurements?
Expected Answer: Should explain the basic process of taking draft readings, using displacement tables, and accounting for corrections like trim and water density.
Q: What are the basic tools used in draft surveys?
Expected Answer: Should mention draft marks, sounding tapes, hydrometers, and calculation tables, explaining their basic functions in simple terms.
Q: What information do you need to collect before starting a draft survey?
Expected Answer: Should list vessel particulars, current weather conditions, tide information, and previous loading condition as essential information.