Air Bottle Maintenance Inspection
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Questions and Answers

What limitation was faced during the inspection of the pressurised air bottles?

  • The saddles obscured a portion of the bottles. (correct)
  • The bottles were made of a transparent material.
  • The bottles had multiple access ports for full inspection.
  • The valves were easily accessible at all times.
  • What is a recommended practice for maintaining pressurised air bottles?

  • Inspect only the exterior of the bottles.
  • Inspect annual servicing alone without weekly checks.
  • Bleed down pressurised systems when not in use. (correct)
  • Store bottles in a confined space.
  • How should pressurised air bottles in lifeboats be stored?

  • In enclosed spaces to avoid exposure.
  • In direct contact with the deck.
  • Above the deck for better ventilation. (correct)
  • At deck level to ensure stability.
  • What type of corrosion risk is highlighted when dissimilar materials are in contact?

    <p>Galvanic corrosion.</p> Signup and view all the answers

    What must be ensured between different materials holding pressurised air bottles?

    <p>That they are insulated from each other.</p> Signup and view all the answers

    What type of incidents should members refer to regarding galvanic corrosion?

    <p>Dropped object incidents.</p> Signup and view all the answers

    What kind of contact is advised for devices holding pressurised air bottles?

    <p>Similar material or insulated contact.</p> Signup and view all the answers

    What weight was the roller that fell during cable trans-spooling?

    <p>5.7g</p> Signup and view all the answers

    What was the primary cause of the incident involving the electrical cable?

    <p>Failure of a connection bolt</p> Signup and view all the answers

    What specific safety assessment process was not applied in this incident?

    <p>Safe Use of Work Equipment assessment</p> Signup and view all the answers

    Which of the following was a contributing factor that jeopardized safety during the cable operation?

    <p>Working underneath a suspended load</p> Signup and view all the answers

    What additional measure was not implemented to prevent dropped objects?

    <p>Use of a secondary retention system</p> Signup and view all the answers

    How did the high ambient temperature affect the safety of the operation?

    <p>It caused the wax on the cable to melt</p> Signup and view all the answers

    What crucial aspect regarding the cable was not effectively communicated by the manufacturer?

    <p>The requirement of wax on the cable</p> Signup and view all the answers

    What risk was introduced due to the last-minute unavailability of a cable laying vessel?

    <p>Double handling of the cable</p> Signup and view all the answers

    Which aspect of the incident was specifically linked to the wax on the cable?

    <p>Increased friction on the cable</p> Signup and view all the answers

    What caused the BCE and its rollers to malfunction?

    <p>Excessive wax accumulation</p> Signup and view all the answers

    Which of the following actions should be taken to prevent incidents related to changes?

    <p>Regularly assess and apply the Management of Change process</p> Signup and view all the answers

    What is recommended to guard against complacency during operations?

    <p>Continuously ask 'what if …?'</p> Signup and view all the answers

    What resulted from the parted tagline during the lifting operation?

    <p>The buoy moved in an unexpected way</p> Signup and view all the answers

    What weight did the LiDAR buoy have during the incident?

    <p>2.4 tonnes</p> Signup and view all the answers

    What should be prioritized before an item arrives for handling?

    <p>Effective communication with relevant parties</p> Signup and view all the answers

    What can be inferred about effective risk assessment in lifting operations?

    <p>It requires active involvement from all personnel</p> Signup and view all the answers

    Which of the following is NOT a suggested practice for improving safety?

    <p>Allowing complacency in standard operations</p> Signup and view all the answers

    What was a key factor that contributed to the accident involving the step ladder?

    <p>The ladder was not secured to a fixed point</p> Signup and view all the answers

    What is one of the lessons learned regarding falls from heights?

    <p>Falls from low heights can result in serious injuries</p> Signup and view all the answers

    What could have potentially prevented the incident during the installation of the new jacket?

    <p>Using scaffolding and grating where necessary</p> Signup and view all the answers

    Which of the following best describes the worker's actions before the fall?

    <p>The worker was trying to secure himself to the guide rope</p> Signup and view all the answers

    What was the height of the fall experienced by the worker during the incident?

    <p>3 meters</p> Signup and view all the answers

    What was identified as a future action to avoid reliance on temporary solutions?

    <p>Preparing an engineered solution for access</p> Signup and view all the answers

    Which risk was identified but not adequately addressed during the operation with the step ladder?

    <p>Inadequate equipment robustness</p> Signup and view all the answers

    What was the result of the worker falling from the jacket?

    <p>The worker was recovered without harm</p> Signup and view all the answers

    What was one major factor that contributed to the incident on deck?

    <p>The worker was positioned improperly.</p> Signup and view all the answers

    Which documentation was lacking and contributed to the failures during the lift operation?

    <p>Detailed recovery process for buoys.</p> Signup and view all the answers

    What aspect of the lift plan was NOT compliant with company procedures?

    <p>The detail and specificity of the plan.</p> Signup and view all the answers

    What was indicated as a shortcoming in the Tool Box Talk (TBT)?

    <p>It was lacking in detail and was too generic.</p> Signup and view all the answers

    What best describes the training level of the person in charge of the lift?

    <p>They had not received proper lift supervisor training.</p> Signup and view all the answers

    Which of the following was NOT a recommended action after the investigation?

    <p>Discontinue the use of standard lift plans.</p> Signup and view all the answers

    Which dynamic risk assessment question should workers regularly consider?

    <p>Where is the nearest exit route?</p> Signup and view all the answers

    What should a lift supervisor avoid doing during a lifting operation?

    <p>Getting involved in physically handling the load.</p> Signup and view all the answers

    Study Notes

    Pressurized Air Bottles Inspection and Maintenance

    • Restricted access to air bottles hampers proper inspection during maintenance.
    • Only the valve end of the bottles is visible via small access ports.
    • Saddles conceal internal parts of the bottles, complicating assessments.
    • Direct contact between bottle and bracket made from dissimilar materials risks galvanic corrosion.
    • Bleed down pressurized systems when not needed.
    • Ensure thorough inspections of pressurized air bottles during routine services.
    • Store bottles elevated above deck for better ventilation and to avoid moisture traps.
    • Use materials with similar properties or insulate dissimilar materials to prevent corrosion.

    Dropped Object Incident During Cable Trans-spooling

    • A 5.7g roller fell 8m, injuring a worker during electrical cable handling.
    • Failed connection bolt allowed the roller to drop from the Bow Cable Engine (BCE).
    • Work stopped; the injured person was assessed but fortunately had no breaks.
    • Worker was positioned under a suspended load, leading to the incident.
    • Inadequate risk assessments and Safe Use of Work Equipment processes were noted.
    • There was a failure to implement secondary retention measures to prevent dropped objects.
    • Melting wax on the cable compromised safety procedures; effective communication about its presence was lacking.
    • Opportunities to raise "Management of Change" assessments to enhance safety were missed.

    Lifting Operations Incident with Parted Tag Line

    • A LiDAR buoy weighing 2.4 tonnes moved unexpectedly when a tagline parted.
    • The incident occurred during a deck recovery operation involving a vessel crane.
    • The worker was in an unsafe position and was struck by the buoy, but was unharmed.
    • No documented procedure existed for retrieving buoys; compliance with lift plans was inadequate.
    • Generic Tool Box Talks failed to address specific hazards; insufficient training and supervision also contributed.
    • Effective planning and approval processes for lift activities are essential to ensure safety.
    • Lift supervisors must maintain oversight and not engage directly in lift operations.

    Step Ladder Incident Leading to Fall

    • A worker failed to secure a two-step ladder used during operations, violating safety procedures.
    • Although the risk was recognized, proposed mitigations were ineffective, leading to the incident.
    • Falls from low heights can still cause serious injuries; safety measures must be strictly enforced.
    • Consideration should be given to weather conditions affecting safety equipment.
    • An engineered solution for safe access should replace temporary ladders.

    Non-fatal Man Overboard Incident

    • A worker fell from a height of 3m from a new jacket into the sea but was unharmed.
    • The incident occurred during jacket installation, where proper safety measures were lacking.
    • Access to unsecured areas without grating or scaffolding created fall hazards.
    • Workers must secure themselves properly when exposed to height risks to prevent falls.

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    Description

    This quiz focuses on the challenges associated with inspecting air bottles due to restricted access. It highlights the implications of limited view on safety and regular maintenance practices. Test your knowledge on air bottle inspection procedures and standards.

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