Podcast
Questions and Answers
What was the initial observation made during the lifting operations?
What was the initial observation made during the lifting operations?
- The crane hydraulic system was functioning optimally.
- The hydraulic release shackle opened spontaneously. (correct)
- The load was lifted without any issues.
- The crew followed all safety procedures correctly.
What failure in procedure contributed to the errors during the operation?
What failure in procedure contributed to the errors during the operation?
- A thorough operational risk assessment was conducted.
- Complacency led to assumptions without verification. (correct)
- The Management of Change process was strictly followed.
- All crew members were aware of the operating procedures.
What equipment was involved in the incident during the lifting operations?
What equipment was involved in the incident during the lifting operations?
- A safety lock that functioned as intended.
- A backup crane that was not in use.
- A yellow colored hydraulic release shackle. (correct)
- A hydraulic power unit used incorrectly. (correct)
What was identified as a physical issue with the hydraulic release shackles involved?
What was identified as a physical issue with the hydraulic release shackles involved?
What critical process was bypassed when changes were made to the lifting operation?
What critical process was bypassed when changes were made to the lifting operation?
Flashcards
Hydraulic Release Shackle (HRS)
Hydraulic Release Shackle (HRS)
A device used in lifting operations that can release under hydraulic pressure.
Spontaneous Opening
Spontaneous Opening
Uncontrolled opening of the HRS without external trigger, causing safety hazards.
Complacency in Safety
Complacency in Safety
Making assumptions or decisions without following safety protocols and checks.
Management of Change Process
Management of Change Process
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Risk Assessment
Risk Assessment
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Study Notes
Hydraulic Release Shackle (HRS) Failure
- A hydraulic release shackle (HRS) pin opened unexpectedly during lifting operations on a vessel.
- The blue-colored HRS, connected to lifting slings, opened and fell approximately 4-5 meters.
- No one was injured.
- The HRS was hanging from a hydraulic hose after the incident.
Cause Analysis
- Complacency: Assumptions were made without full compliance to manufacturer, company, or safety procedures.
- Improper Change Management: The way the job was done changed without proper documentation or approval.
- Lack of Procedures: Vessel crane hydraulic power unit (HPU) procedures and manufacturer guidelines might not have been adhered to.
- Insufficient Risk Assessments: No operational or task risk assessments were performed.
- Gaps in Communication: Communication between involved parties was less than optimal.
- Additional Issue: The yellow-colored HRS was also damaged.
Lessons Learned
- Remain Curious: Question potential risks and their mitigation.
- Effective Communication: Clear, effective communication is crucial.
- Thorough Risk Assessment: Rigorous risk and task assessments are essential.
- Adherence to Procedures: Compliance with procedures and manufacturer recommendations is mandatory.
- Change Management: Formal change management procedures should be part of any alteration to work plans.
Actions Recommended
- Equipment Safety: All equipment modifications must align with the manufacturer's instructions.
- Review Procedures: Existing protocols for equipment should be reviewed and updated if necessary.
- General Review: An overall review of similar equipment used on other projects is advisable.
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