What are regulations or Checklist for change over of Cargo from Dry bulk cargo to oil on ships ?

Dry Bulk Cargo to Oil

• Sweep holds clean and lift cargo remains out of hold for disposal.
• Wash cargo remains off bulkheads with a high pressure water jet, stripping slowly to remove water, leaving solid residues.
• Remove solid residues from the tank top and sumps, and prove that the stripping suction is clear.
• Remove suction doors and attach securely to stowage positions.
• Close off sounding pipes to sumps as required.
• Remove blanks from main cargo suctions and stripping discharges to after hold.
• Lower, secure in place, connect and prove tight heating coils as necessary.
• Remove requisite blanks from gauging system and render fully operational.
• Wash all stripping lines thoroughly to remove solid residues.
• Open, clean and check all strainers in cargo systems.
• Check and clean hatch cover sealing arrangements, trackways etc.
• Close hatches and check sealing and bolting down arrangements.
• Remove blanks from gas lines as necessary.
• Set venting system for next cargo.
• Prove all valves and non-return valves in cargo system operational.
• Inert holds prior to loading where applicable. During inerting prove tightness of hatch covers, tank cleaning covers, access hatches and all openings into cargo spaces.