BQS During Bunkering

The quantity stated in a fuel delivery must be supported by operational records. TWS's BQS during bunkering follows the pre-transfer stages, the transfer itself and completion in order to determine the quantity effectively received by the vessel, according to the agreed method and the available measurement conditions.

Before commencement, the supply details, tanks involved and relevant documentation are checked. Where tank measurements are used, initial readings and the elements required for calculation are obtained, including tables, temperatures and stated density, as applicable. Access to the vessel and the supplying unit, as well as verification limitations, form part of the scope defined with the client.

During the transfer, the attendance records times, interruptions, readings and occurrences relevant to the determination. Internal transfers and fuel consumption, where they affect comparison of quantities, must be taken into account. At completion, readings and calculations are compared against the supplier's records and the Bunker Delivery Note. Discrepancies are documented and communicated for assessment by the responsible parties.

The report sets out the bases used, results, identified differences and any limitations. When expressly contracted, participation in sampling may include attendance during collection and recording of identification and seals. Quantity measurement does not replace laboratory analysis of fuel quality, which requires a separate scope.

Bunkering attendance forms part of TWS's BQS services, focusing on the attended delivery. ROB records the fuel remaining at a given time; investigation of discrepancies requires a targeted analysis; and the On/Off-Hire Survey addresses the context of vessel delivery or redelivery under a charterparty.

We serve clients in Brazil and abroad, with field operations in Northern and Northeastern Brazil, subject to confirmation. The surveyor's attendance provides technical documentation for the operation and preserves the responsibilities of the crew and supplier. Each result is presented with its assumptions and limitations.