Bunker inspection Survey

Constellation Marine Surveyors
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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.

More Services...


- Pre Vetting / SIRE and CDI Inspection Preparations for Tanker Vessels including Post vetting Correspondence with Oil Majors for Corrective & Preventive Action.
- Charter Party contract negotiations and commercial dispute resolution through courts and arbitration.
- Mooring Advisor / Assistant Pilot / Cargo Operations Supervisor for Ship to Ship Transfer Operations involving Oil Tankers.
- Port Captain for Specialized Trade of Wood Pulp; Pre Stow Planning, Monitoring during Loading & discharging of Wood Pulp Cargo. Advisory on Hold Preparations for Various Dry Bulk Cargoes.
- Cargo tally, Super Cargo, Cargo Expediters, Pre/Post shipment Steel Cargo surveys and other Project cargoes.
- Lashing and sea fastening survey at Bahrain, AbuDhabi and Qatar.
- Port captains for Non Conventional cargoes like the shipment of Containers, Heavy Machinery on & under deck cargoes.
Team Constellation a highly professional Team Constellation a highly professional Team Constellation a highly professional Team Constellation a highly professional Team Constellation a highly professional Team Constellation a highly professional Team Constellation a highly professional & experienced Master Mariners, Naval Architects, Tanker Masters, Engineers, Consultants, Marine Asset Valuers and a team of Qualified Surveyors with expertise and experience in different areas of marine activities offering round the clock services to the clients in shipping and insurance industry with direct presence at all sea ports in UAE and with offices in Dubai, Abu Dhabi and Fujairah just a call away from these ports. Constellation has international offices in UK and Singapore and associates all over Middle East and UAE, London, Holland, Germany, West Africa, Cape Town, Oman, China, Singapore. Survey, Inspection,investigation Risk and Root Cause Analysis Load Test of Lifting Gears Certification Mrine & Insurance Clam Consultancy Vessel Valuation Dry Cargo Bulk Break Bulk Project Cargo Dry Container Survey Draught Survey Pre-shipment Condition Pre-shipment Condition Pre-discharge Condtion Pre-dischsrge Condition Stuffing Unstuffing Stow Cargo Damage Surey Loading Discharging Survey Taly Cagrgo Container Damage Sampling & Analysis Damage Short Landing Survey Dangerous Cargo Survey Pre-shipment Condition Stowage Plan Preparation Reefer Container Short Landing Investigation Cargo Hold Inspection Truck Inspection Lashing & Securing Certification Pti Inspection Survey Loading off Loading on Board Stowge Supervision Container Condition Survey Supervision Uld Inspection of Hatch Covers Temp Set. Vent Inspection Cargo Hold/hatch Inspection Cargo Land Transportation Stuffing Unstuffing Stow Weighment Witnessing Cargo Damage Investigation Reefer Cargo Damage Survey Sealing/unsealing Short Landing Investigation Reefer Cargo Damage Investigat Bunker Survey Petroleum On Hire/off Hire Rob Survey Vessel Tank Inspetion and Certification On Hire Off Hire Bunker & Condition Survey. Petrolem Prduct Quantify Survey Sampling & Sealing Prduct Loading Dischrging and Sampling Witnessing Sample Lab Analysis. Cargo Contamination Investigation Magnetic Compass Adjustment & Deviation Card Hull & Machinery Damge Survey Sts Operation Ism, Isps and Mlc Audits Project Cargo Transportation Loading discharging Marine Warranty Surveys Project Management & Decommissioning Supervision for Off Shore Structures Rig Moves, Location Approvals and Off Shore Warranty Inspection Prior & During Moves. Heavy Cargo Lifting Plan Review, Preparation of Stowage& Lashing Plan Towing Arrangement Plan and Tow Approvals. Collision Damage Survey, Repair Cost Estimation and Investigation P&i Pre-entry Vessel Conition Surveys Hull & Machinery Conditon Surveys Root Cause Analysis of Maritime Accidents. Issuance of Charterd Engineer Certificate for Export Machinery. Valuation Pre-purchase Conditiion Surveys & Sea Trials Marine Vessel Condition Inspection&valuation Vessel Valuation. Valuation Marine Asset, Machinery& Equipment Constellation Marine is managed by four board members UK, connected with various facets of the marine business like Maritime Law & Marine insurance individually. Constellation Marine Surveyors & Consultants are independent and professional in every of our conduct. take up appointments for ship owner, trader or insurance companies Constellation Marine has registered offices in UK, Singapore and Middle East specializing in Maritime and energy claims, offshore marine warranty inspection, ship and cargo inspections for principals, insurance companies and charterers and P&I Clubs as our main principals instructing us repeatedly global company with branches in Dubai, London, Singapore, Abu Dhabi, Fujairah, Ras Al Khaimah, Bahrain, Kuwait, Qatar, Oman, Yemen Liason offices at Germany, Holland, China, west South Africa.