Bulk carrier loading dry bulk cargo with deck cranes and grab

Surveys & Vetting

Draft Surveys, Tally and Cargo Quantity Determination

Documented, repeatable quantity determination for dry, liquid and containerised cargoes.

  • Cargo Tally
  • Draft Survey
  • Liquid Cargo
  • Cargo Sampling
  • Container Stuffing

Overview

Quantity disputes are arithmetic disputes. They are resolved by method: readings taken consistently, corrections applied correctly, and a calculation the other side can follow line by line.

Our quantity work shows the full calculation in the report, along with the conditions under which the readings were taken.

Scope of work

  • Draft readings at all six points, corrected for trim, list and deflection
  • Ballast, fresh water and fuel soundings before and after operations
  • Density determination of dock water and ballast
  • Deadweight and constant calculation with full working shown
  • Ullage, temperature and density for liquid cargoes
  • Tally records reconciled against manifest and mate's receipt
  • Sampling method, labelling, sealing and custody
  • Statement of conditions affecting accuracy
  • Report with calculation, figures and photographic record

What we provide

Draft surveys

Initial and final draft survey with soundings, density, corrections and constant, fully shown.

Cargo tally

Independent tally at load or discharge, with running records and a reconciled final figure.

Liquid cargo measurement

Ullage, temperature and density measurement with calculation to standard volume.

Sampling and container stuffing

Representative sampling with chain of custody, and supervision of container stuffing operations.

Frequently asked

How accurate is a draft survey?
Accuracy depends on sea state, trim, hull deflection and the quality of the vessel's tables. We state the conditions and any factor that materially affects the figure.
Do you attend at both load and discharge port?
Where instructed. Attendance at both ends gives the most defensible comparison.
Is the calculation included in the report?
Yes, in full. A quantity figure without its working is of limited use in a dispute.
How are samples retained?
Sealed, labelled and retained for an agreed period or forwarded to a nominated laboratory as instructed.

Related services

Next step

Tell us about the vessel, the scope and the timeline.

We respond with the right marine professional, a defined methodology and clear reporting expectations.