(a) Prior to Docking:

Preliminary Preparation:

• Review various plans, manuals, and previous drydock reports for reference.
• Prepare a detailed repair list and ensure all required spares are accounted for.
• Conduct an inventory of spares and requisition necessary items.
• Gather required tools, including special tools like poker gauges, trammel gauges, gagging tools, etc.
• Mark all overboard valves, NC (normally closed) and NO (normally open) valves clearly for easy identification.
• Allocate jobs to team members and discuss the time schedule.
• Conduct a safety meeting to highlight dry dock hazards and necessary precautions.

Before Entering Dry Dock:

• Identify the power requirements and machinery to be operational during docking.
• Check the shore connection box for proper functionality.
• Record the soundings of FO (Fuel Oil), LO (Lubricating Oil), and DO (Diesel Oil) tanks.
• Discharge contents from clean drain tanks and sewage tanks.
• Carry out Economizer soot-blowing.
• Change over Main Engine, Diesel Generators, and Boiler to Low Sulfur Gas Oil (LSGO).
• Stop and clean purifiers.
• Ensure the low sea chest is open and the high sea chest is shut.
• Keep firefighting appliances (FFA) on standby.
• Shut down all non-essential machinery, including MGPS (Marine Growth Prevention System) and FWG (Fresh Water Generator).

(b) Whilst the Vessel is in Dry Dock

Upon Arrival:

• Connect shore power and supplies after ensuring safety checks are completed.
• Start necessary equipment like cooling water, air compressors, air conditioning, and fridge compressors.
• Check for jobs assigned by dry dock personnel and prepare accordingly.
• Attend a safety meeting with dry dock personnel to understand local safety rules and procedures.

During Dry Docking::

• Oversee and assist in:
  • Cleaning and inspecting the hull, rudder, sea chest, anodes, and propeller.
  • Measuring propeller drop, checking rudder clearances, and inspecting the stern tube bearing and seal.
  • Servicing underwater valves and overboard valves.
  • Inspecting anchor and cables conditions.
  • Overhauling deck machinery, cranes, elevators, and engine room equipment such as the Main Engine, Diesel Generators, Boiler, and Economizer.
  • Renewing pipes and valves as needed.
  • Performing electrical equipment maintenance and surveys.
  • Supervising service engineers for specific repair jobs.
• Ensure tank cleaning, welding, and other repair works are completed according to the plan.
• Run the standby diesel generator daily after starting the priming pump.

(c) Before Flooding and Leaving the Dry Dock

Final Checks:

• Verify that all underwater fittings and drain plugs are securely in place.
• Ensure all machinery has been boxed back and is ready for operation.
• Check for any leakage in stern tube seals.
• Take tank soundings to confirm proper levels.
• Confirm the proper operation of all underwater valves, overboard valves, sea chests, and vents.
• Inspect the stern tube tank for any irregularities.

System Restart:

• Switch back to ship's power after confirming all systems are functional.
• Test the proper operation of all machinery and systems to ensure the ship is fully operational before leaving the dock.