By JM Marine Surveys
In the global maritime industry, bunker fuel represents one of the largest operational costs for shipowners, operators, and charterers. With high fuel prices and increased regulatory scrutiny, ensuring transparency and accuracy during bunker operations is more important than ever. That’s where Bunker Quantity Surveys (BQS) come in—a core service provided by JM Marine Surveys.
What Is a Bunker Quantity Survey?
A Bunker Quantity Survey is an independent inspection carried out during bunkering operations to accurately measure the amount of marine fuel delivered to a vessel. It ensures that both the supplier and receiver agree on the fuel volume, minimizing the risk of quantity disputes and financial losses.
At JM Marine Surveys, we act as impartial professionals protecting your interest—whether you’re a shipowner, operator, charterer, or bunker trader.
Why BQS Matters
✔ Financial Accuracy
Even small discrepancies in bunker deliveries can result in significant losses. A shortfall of just 10 metric tons at $650/MT equals $6,500—money that should not go unnoticed.
✔ Dispute Prevention
Independent verification minimizes disagreements between parties and provides solid documentation in case of claims or arbitration.
✔ Operational Confidence
Our surveys promote transparency and accountability, building trust across the supply chain.
✔ Regulatory Compliance
With tightening global regulations—especially around fuel quality, sampling, and reporting—BQS also helps ensure your operations stay compliant.
Our BQS Procedure
At JM Marine Surveys, we follow a structured and internationally recognized process, including:
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Pre-Bunkering Checks
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Verification of documentation, tank calibration tables, and bunker delivery notes (BDNs).
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Inspection of measuring instruments and initial ROB (Remaining On Board) of the receiving vessel.
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Measurement of the Bunker Barge
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Before delivery, ullage/sounding and temperature measurements are taken from the barge’s tanks to determine initial fuel quantity.
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Monitoring the Transfer
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Oversight of the entire bunkering operation, including sampling procedures, flow rates, and operational safety.
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Post-Delivery Verification
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Final measurements and calculation of delivered quantity, cross-referenced against supplier figures.
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Survey Report Delivery
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A clear, professional report documenting all findings, figures, and observations.
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Mass Flow Meters (MFM) Coming to the ARA Region
As part of the global shift toward greater accuracy and transparency, Mass Flow Meter (MFM) systems—already mandatory in Singapore—are being introduced in the Amsterdam-Rotterdam-Antwerp (ARA) region. This will revolutionize how bunkers are measured and reported.
At JM Marine Surveys, we are fully prepared for this transition. Our marine surveyors are trained in MFM procedures with practical courses and on the job training.
Why Choose JM Marine Surveys?
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✅ Experienced, independent surveyors
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✅ Available 24/7 in key ports across Europe and beyond
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✅ Up-to-date with Mass Flow Meter implementation
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✅ Training solutions tailored to your team
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✅ Clear, detailed, and defensible survey reports
Trust. Accuracy. Integrity.
At JM Marine Surveys, our goal is to protect your bunker investments and ensure a smooth, dispute-free bunkering process. With decades of industry experience, a practical approach, and readiness for the future of fuel measurement, we are your trusted partner for Bunker Quantity Surveys in Rotterdam.