ship handling

Ships operation - Tank inspection points and relevant guideline



Inspection requirements


Tanks under the jurisdiction of the Deck Department shall in principle, be inspected by Chief Officer and those under the jurisdiction of the Engine department, by First Assistant Engineer. Additionally inspections may also be carried out by Superintendents or Surveyors for ascertaining condition of tank internals.

Precautions

All safety precautions for entry into enclosed spaces shall be taken as per code of safe working safe working procedure and appropriate permit to work system followed prior to entering any tank for inspection purposes.


Inspection points

When carrying out tank inspections, the following shall be keenly observed (as applicable) and details of condition / findings recorded.

i) Condition of tank coating and corrosion levels.

ii) Consumption of anodes fitted inside the tank.

iii) Particulars of any damages observed including dents, buckling, cracks, etc, on plating, strength members and fittings within the tank.

iv) Pitting corrosion and/or blister formation especially in uncoated tanks.

v) Condition of access arrangements including access hatches, manholes, studs, gaskets, ladders, landing platforms, etc.

vi) Condition of piping arrangements and systems including pipes, valves, hydraulic lines, expansion joints, dresser couplings, etc.

vii) Condition of gauging systems including sounding pipes, striker plates and remote level / temperature / pressure gauges.

viii) Condition of safety devices including gas monitoring systems, bilge alarm systems, high / low level alarms, etc.

ix) Condition of suction / filling bell mouth, openings and plating beneath such openings including plating around and beneath bilge or suction wells.

x) Mud or sludge accumulation including approximate quantity in cubic meters.

xi) Cargo equipment on tankers and gas carriers including heating coils, crude oil washing machines, cargo pumps, etc.


Inspection Record / Report

On completion of the inspection, all findings shall be recorded in the “Tank Inspection Record” . A copy of the report shall also be sent to the Technical Superintendent in charge via e-mail.

Correspondence on any maintenance or repairs carried out subsequent to the tank inspection shall also be attached to the ‘Tank Inspection Record’ for easy reference. A record shall be maintained on board in the form of an index giving quick reference to the status of tank inspections on the vessel.



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