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Dry docking Loss Prevention - Monthly themes

Dry docking

For shipowner, the dry docking is probably the single largest costs with very high risk profile, therefore effective planning and management are indispensable to maintain safety and minimise costs and time out of service. 

Jonas Moberg Gotland tankers vessel

For detailed measures and requirements, please contact Alandia.

Contractual liability

When damage occurs to a vessel during maintenance and repair work at a shipyard, responsibility and contractual issues can be a complicating factor. Who is responsible for the damage caused and who are obliged to pay for the repairs of the vessel?

It is important for the shipowner to ensure in the contract with the shipyard a clear allocation of responsibility for damages caused to the vessel during the repair work.

The yards normally base their contractual obligations on general terms and conditions. Normally the yard and its subcontractors limit their liability in the contract and the yard’s liability to pay for a loss or damage is limited to the agreed maximum amount.

Before signing a contract, the shipowner should pay attention to the contractual terms and conditions. To achieve an appropriate allocation of liability and compensation between the parties in the contract, especially the liability clause and the insurance clause should be checked.

Important pointers to note when a contract is negotiated and agreed with the shipyard: 

  • The contractor’s limitation of liability shall be in reasonable proportion to the value of the vessel and the scope of work.
  • The contractor shall provide evidence of a ship repairer’s liability insurance covering at least the agreed limitation of liability.
  • The allocation of responsibilities between the contractor and the shipowner must be agreed.
  • All parties involved shall have a common understanding of what is agreed in the contract.
  • The Insurers of the vessel shall be informed.

Dry docking – general best practices

For detailed measures and requirements, please contact Alandia.

Prior to dry docking:

  • Submit the vessel’s docking plan to the shipyard for correct block arrangement and proper fendering
  • Agree on yard specification (all the work to be done by the yard or their subcontractors)
  • Check and ensure the access to yard for possible sub-contractors ordered by owner
  • Check and ensure storage facilities at yard for possible owners’ deliveries of spare parts or equipment
  • Ensure that the liability, delayed delivery, and insurance clauses are clearly stated and mutually agreed and understood
  • Supplier and service personnel coordination
  • Prepare for possible crew change during dry-docking and access for crew to yard

Vessel preparation:

  • Drafts (min/max) arrival condition and prepare stability calculation. In most cases vessel should float on even keel.
  • Record tank status
  • Gas free fuel tanks that have planned works
  • Cargo tanks and cargo piping gas free including gas free certificate
  • Sludge, sewage and other discharges at yard
  • Yard safety and regulation briefing

Vessel arrival to yard:

  • Waiting at anchorage or berthed at yard
  • Mooring at yard prior to dry-docking
  • Safe access to ship during waiting
  • Arrange for possible need for tug assistance

Vessel docking in:

  • Arrange for possible need for tug assistance
  • Propeller shaft deflection and engine measurements
  • Note the time when “on-blocks”

Dry docking

  • Firefighting water connection
  • Shore power connection
  • Yard safety briefing and communication plan
  • Dry docking survey – bottom inspection – block alignment
  • Two independent gangways for safe access to vessel
  • Fire and enclosed space entry watches and work permits to be agreed with yard
  • Craneage to be agreed with yard
  • Work site lights and ventilation to be agreed with yard
  • Equipment and system protection for welding, blasting, and washing
  • Disablements to be agreed with yard
  • Waste and scrap disposal to be agreed with yard

Pre-floating (flooding above high sea chest, but vessel on blocks):

  • Bottom plugs, manhole covers in place and inspected
  • All sea-water valves and necessary piping in place and checked
  • Sea chests and propeller shaft seals inspected
  • Ballast status and stability calculation
  • Inspect and verify hull integrity
  • Disconnect shore power
  • Disconnect firefighting hoses from yard

Floating – departure:

  • Note the time “off-blocks”
  • Propeller shaft deflection and engine measurements
  • Enable all disabled equipment
  • Arrange for possible tug assistance for floating and departure
  • Verify the need and scope of possible sea-trials
  • Check availability and need for waiting berth after floating
  • Check mooring arrangements at waiting berth
  • Arrange and agree shore power availability and connection at waiting berth

This list is only a general recommendation and information on main activities. Authorities and classification society’s rules and regulations must be followed at all times. Alandia can accept no responsibility in respect of any loss or damage of any kind whatsoever which may arise from sole reliance on this information.