Bunker inspection Survey

Constellation Marine Surveyors

Bunker Survey

Bunker Inspection Survey

Bunker Survey

- On Hire / Off Hire Rob Survey.

On / Off Hire Bunker ROB Surveys Onboard quantity survey (BQS) at the time of Charter on Hire / Off Hire.
During survey,need to check log book quantity / actual quantity on board, also reference height mentioned in the table and actual height of the tanks – Fuel oil, Diesel Oil, Lube oil, Hydraulic oil, Gear oil, sometimes
After bunker intake immediately On / Off Hire Bunker ROB Surveys will be carried out, during this time we will observe the cappuccino effect inside the tank

- On Hire/ Off Hire Bunker & Condition Survey.

The on/off hire condition survey is an inspection of vessel’s holds, main deck, cargo working areas and external shell plating.
It is performed in order to identify any damage present prior to the vessel going on/off hire.

To inspect and report on the condition of the cargo holds with special emphasis on:

- Cell guide arrangements.
- Platform and walk way arrangements.
- Mechanical and natural ventilator arrangements.
- Tank top, fixed container base cones and shoes.
- Bulkheads and side walls.
- Container guides.
- Reefer point arrangements

To inspect and report on the condition of the hatch pontoon arrangements with special emphasis on:

- General condition of the hatch covers.
- Hatch pontoon lifting arrangements.
- Hatch pontoon container securing arrangement.
- Hatch pontoon manual cleats and lock down arrangements.

- Sampling & Sealing.

- Witnessing Sample Lab Analysis.

Bunker Inspection & On/Off Hire Surveys

The specialized bunker surveyor services at Constellation Marine provide precise fuel verification components and quality measures to major ports operating in UAE and the USA. A professional and independent surveyor team operates through our organization to create transparent reports that support stakeholder groups, including shipowners and operators, to reduce their fuel management risks.

Comprehensive Bunker Surveys

The bunker surveyor team of ours performs full-scale inspections to determine fuel quantity changes during bunkering events. Our company maintains international standards with industry guidelines that minimize disagreements between vessel operators and fuel suppliers. Our Bunker Survey Process Includes:
● Pre-bunkering fuel assessment
● Bunker surveyors perform quantity verification through the use of calibrated measuring instruments.
● Tests of fuel quality are performed to verify that company rules are met.
● The measurement process for fuel quantity, both during on-hire and off-hire operations.
● Detailed reporting with photographic evidence.
Bunker inspection reports from us protect clients in avoiding financial loss situations due to fuel supply deficiencies and contamination and improper documentation practices.

Frequently Asked Questions


What is a bunker survey?

A bunker survey institute functions to evaluate vessel-supplied fuel through inspections conducted by licensed surveyors. The BDN furnishes data about fuel delivery quantities that the survey must confirm against actual receipts.

How long does a bunker survey take?

A regular bunker survey occurs in a period ranging from a few hours to completion based on vessel length and fuel storage capacity. The survey team performs their work with high efficiency to minimize operational interruptions.

Do you provide on/off hire bunker surveys?

Our company performs both on-hire and off-hire bunker surveys that establish fuel amounts at charter start and finish and protect against fuel usage disagreements.

Are your bunker survey services available in both the UAE and USA?

The bunker surveyor services from Constellation Marine operate throughout ports of the UAE and USA through their global perspective combined with local station knowledge.

What equipment do your bunker surveyors use?

The bunker surveyor team makes use of calibrated sounding tapes along with mass flow meters and industry standard tools for achieving accurate fuel measurements throughout reporting processes.