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Questions and Answers
What was the immediate action taken after the incident?
What was the immediate action taken after the incident?
- A safety investigation was initiated.
- The crew was disciplined.
- The work was immediately stopped. (correct)
- The contractor was fired.
What was one of the identified safety hazards in the working environment?
What was one of the identified safety hazards in the working environment?
- Inadequate lighting.
- Inadequate communication between crew members.
- Lack of physical barriers around the confined space. (correct)
- Insufficient safety training for the crew.
What was a contributing factor to the incident?
What was a contributing factor to the incident?
- Inadequate supervision of the crew.
- Lack of proper safety equipment.
- Insufficient training on confined space entry.
- All of the above. (correct)
What action did the member take to address the issue?
What action did the member take to address the issue?
What was the purpose of the safety stand down?
What was the purpose of the safety stand down?
Which of the following is NOT mentioned as a contributing factor to the incident?
Which of the following is NOT mentioned as a contributing factor to the incident?
What was the initial safety issue with the welder's position?
What was the initial safety issue with the welder's position?
What was the temporary solution implemented to address the initial safety concern?
What was the temporary solution implemented to address the initial safety concern?
What were some of the failures in the initial safety procedures?
What were some of the failures in the initial safety procedures?
What does the text suggest about the level of hazard awareness and risk perception?
What does the text suggest about the level of hazard awareness and risk perception?
What was the reason for stopping the job?
What was the reason for stopping the job?
Why was it easy for the crew to work unsafely?
Why was it easy for the crew to work unsafely?
What was a potential consequence of the welder falling within the tank?
What was a potential consequence of the welder falling within the tank?
What actions were taken locally to address the safety issues?
What actions were taken locally to address the safety issues?
What happened during the incident described in the USCG Marine Safety Alert 11-23?
What happened during the incident described in the USCG Marine Safety Alert 11-23?
What was the weight of the wind turbine nacelle that fell in the USCG incident?
What was the weight of the wind turbine nacelle that fell in the USCG incident?
What was the approximate distance the wind turbine nacelle fell in the USCG incident?
What was the approximate distance the wind turbine nacelle fell in the USCG incident?
What is the primary safety concern highlighted by the USCG Marine Safety Alert 11-23?
What is the primary safety concern highlighted by the USCG Marine Safety Alert 11-23?
Which of these is NOT mentioned as a safety measure for enclosed spaces?
Which of these is NOT mentioned as a safety measure for enclosed spaces?
What is the purpose of having Material Safety Data Sheets (MSDS) readily available?
What is the purpose of having Material Safety Data Sheets (MSDS) readily available?
Why is it important to mark storage tanks with the substance contained and associated hazards?
Why is it important to mark storage tanks with the substance contained and associated hazards?
Which of these situations is NOT directly related to the safety considerations discussed in the content?
Which of these situations is NOT directly related to the safety considerations discussed in the content?
What was the primary cause of the wire rope failure?
What was the primary cause of the wire rope failure?
According to the USCG, what is the recommended frequency for load testing of shipboard cranes?
According to the USCG, what is the recommended frequency for load testing of shipboard cranes?
What is a recommended maintenance practice for shipboard cranes?
What is a recommended maintenance practice for shipboard cranes?
What should be done prior to a visual inspection of crane wire rope?
What should be done prior to a visual inspection of crane wire rope?
What is the recommended practice regarding personnel positioning near a crane?
What is the recommended practice regarding personnel positioning near a crane?
What is the importance of maintenance tracking systems for shipboard cranes?
What is the importance of maintenance tracking systems for shipboard cranes?
What is the primary purpose of increased visual inspection frequency of wire ropes?
What is the primary purpose of increased visual inspection frequency of wire ropes?
According to the USCG, what is a key factor to consider when determining the replacement frequency of crane wire ropes?
According to the USCG, what is a key factor to consider when determining the replacement frequency of crane wire ropes?
What was the primary safety issue discussed in the incident?
What was the primary safety issue discussed in the incident?
What immediate action was taken by the stand-by person?
What immediate action was taken by the stand-by person?
What were the planned repair works taking place on?
What were the planned repair works taking place on?
What action was taken after the unauthorized personnel were asked to leave?
What action was taken after the unauthorized personnel were asked to leave?
What type of work was being conducted that involved safety risks?
What type of work was being conducted that involved safety risks?
What was the consequence of unauthorized access to the confined space that was addressed in the stand down?
What was the consequence of unauthorized access to the confined space that was addressed in the stand down?
What does IMCA Safety Flashes aim to achieve?
What does IMCA Safety Flashes aim to achieve?
How is the information regarding incidents treated by IMCA?
How is the information regarding incidents treated by IMCA?
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Study Notes
Unauthorised Entry into Confined Space
- Planned repair works involved hot work (welding & grinding) on a barge, and a stand-by person observed subcontract personnel accessing a confined space where welding was taking place.
- Stop Work Authority was exercised immediately, and the unauthorized personnel were requested to leave the area.
- A lack of physical barriers and appropriate warning notifications around the confined space, inadequate personnel for Control of Work, and insufficient supervision contributed to the incident.
What Went Right
- The job was stopped immediately, and a safety stand down was conducted to discuss the consequences of unauthorized personnel access to confined spaces.
Corrective Actions
- Contractor management was approached to reiterate the importance of compliance with vessel access and control of work procedures.
- Improved signage and barriers were implemented around confined space areas.
Working at Height in Confined Space
- Personnel authorizing activities failed to make a Permit to Work application for hot work, working at height, and working in a confined space.
- Inadequate supervision and lack of hazard appreciation led to theunsafe situation.
- A temporary alternative working method was arranged where the worker wore a full body harness attached to a tripod system with an inertia reel.
Corrective Actions
- Reiteration of importance of thorough Risk Assessment, Permit to Work process, and Control of Work, including regular monitoring.
- Ensured more robust control of Working at Height activities and prioritized availability of engineering controls (e.g., scaffolding platform).
- Identified personnel to execute the rescue plan and ensured proper training for operating in an enclosed space.
Wire Rope Hazard Management
- A wire rope parted, causing a 69-ton wind turbine nacelle to fall 2.2m to the deck, resulting in significant damage and loss of the nacelle.
- The USCG investigation revealed that corrosion, wear, and monotonic ductile overload of the wire rope caused the failure.
Recommendations
- Implement increased load testing frequency to verify wire rope integrity between class society mandated 5-year load tests.
- Utilize pressure lubricating devices as recommended by the manufacturer for routine maintenance.
- Ensure maintenance tracking systems align with manufacturer’s recommended maintenance protocol, including the period of employment and renewal of wire ropes.
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