Bunker Quantity Survey
Espadarte conducts independent bunker quantity surveys and fuel sampling to verify delivered quantities, protect contractual positions and support bunker-related claims.
Independent bunker quantity verification and sampling at Brazilian ports.
What We Offer
Independent Quantity Verification
Soundings or ullages taken before and after bunkering on both vessel and barge, ensuring transparent quantity determination.
Density & Temperature Control
Measurement of fuel temperature and density to accurately calculate delivered volume and mass.
Sampling Supervision
Oversight of continuous drip sampling at the manifold, ensuring samples are representative and properly collected.
Chain of Custody Management
Sealing, labeling and documentation of samples to preserve integrity for laboratory analysis or dispute resolution.
Clear Technical Reporting
Detailed BQS reports including figures, calculations, photographs, remarks and final conclusions.
Key Benefits
Independent verification of bunker quantities delivered
Strong technical support for quantity and quality disputes
Documentation aligned with charter party and P&I requirements
Reduced risk of short-delivery and overbilling
Reliable evidence accepted by owners, charterers and suppliers
Get in touch
Need technical survey support for your next port call?
Contact Espadarte to discuss survey requirements, port conditions and documentation needs. Our team will advise based on scope, timing and regulatory context at Brazilian ports.
Technical decisions grounded in verified survey data.
Espadarte supports maritime operations through accurate measurements, documented observations and consistent reporting standards, enabling informed decisions during port calls and post-fixture discussions.
10+
Years of marine survey operations in Brazilian ports
9001
ISO-certified quality system
24+
Brazilian ports coverage
100%
Claim-ready documentation
1 — Surveys conducted under an ISO 9001:2015 certified quality management system.
2 — Coverage based on regular attendance and on-demand survey operations at major Brazilian ports.
3 — Reports issued with documented evidence suitable for operational review, commercial discussions and P&I or claims-related purposes.