Podcast
Questions and Answers
What is the first step you should take before arriving at a customer's site?
What is the first step you should take before arriving at a customer's site?
- Gather all necessary paperwork and work instructions. (correct)
- Review the job safety analysis (JSA) or risk assessment.
- Ensure your vehicle and uniform are clean.
- Contact the customer and confirm the arrival time.
Which of the following is NOT explicitly mentioned as a consideration before leaving for a customer's site?
Which of the following is NOT explicitly mentioned as a consideration before leaving for a customer's site?
- Verifying the customer's insurance coverage. (correct)
- Assessing the required time for travel to the site.
- Determining the duration of the tasks.
- Confirming the availability of necessary equipment.
What should be one of the main focuses during the 'Reporting and Signing In' phase?
What should be one of the main focuses during the 'Reporting and Signing In' phase?
- Exchanging information about safety precautions and work details. (correct)
- Negotiating the payment terms for the services.
- Confirming the customer's budget for the work.
- Obtaining detailed client feedback on previous projects.
Which of the following is a crucial aspect of representing your employer professionally?
Which of the following is a crucial aspect of representing your employer professionally?
When considering 'access for test weights', what key factor is being assessed?
When considering 'access for test weights', what key factor is being assessed?
What is the minimum height of the characters displaying the intermediate deck payload on the inside of the container?
What is the minimum height of the characters displaying the intermediate deck payload on the inside of the container?
What information MUST be included on the ISO 10855-1 data plate of an offshore container?
What information MUST be included on the ISO 10855-1 data plate of an offshore container?
Where should the ISO 10855-1 data plate be located on a container with doors?
Where should the ISO 10855-1 data plate be located on a container with doors?
What is the primary language used on the ISO 10855-1 data plate?
What is the primary language used on the ISO 10855-1 data plate?
What is considered prima facie evidence of certification status for DNVGL-ST-E271 offshore containers?
What is considered prima facie evidence of certification status for DNVGL-ST-E271 offshore containers?
What is the minimum height of the characters on the ISO 10855-1 data plate?
What is the minimum height of the characters on the ISO 10855-1 data plate?
What is the purpose of the ISO 10855-3 inspection plate?
What is the purpose of the ISO 10855-3 inspection plate?
What information is NOT required on the ISO 10855-1 data plate of an offshore container?
What information is NOT required on the ISO 10855-1 data plate of an offshore container?
What is the minimum thickness of metallic material required for waste skips of monocoque design within an area of 100mm from the side edges?
What is the minimum thickness of metallic material required for waste skips of monocoque design within an area of 100mm from the side edges?
What type of weld is required for all main welds between pad eyes and the primary frame structure?
What type of weld is required for all main welds between pad eyes and the primary frame structure?
What type of welding is acceptable for secondary structure?
What type of welding is acceptable for secondary structure?
What is the primary concern with intermittent fillet welding of secondary structure?
What is the primary concern with intermittent fillet welding of secondary structure?
What type of drainage facility is required for containers liable to fill with water?
What type of drainage facility is required for containers liable to fill with water?
What is the minimum design requirement for doors and hatches?
What is the minimum design requirement for doors and hatches?
What is the purpose of locking devices on doors and hatches?
What is the purpose of locking devices on doors and hatches?
What is the minimum number of locking devices required for double doors?
What is the minimum number of locking devices required for double doors?
What is the minimum required working load limit of the lifting set for a container rated at 3500kg?
What is the minimum required working load limit of the lifting set for a container rated at 3500kg?
For a container rated at 1500kg, what is the enhancement factor applied to determine the minimum required working load limit?
For a container rated at 1500kg, what is the enhancement factor applied to determine the minimum required working load limit?
What working load limit should be used for a container rated at 6500kg?
What working load limit should be used for a container rated at 6500kg?
Which container rating requires a working load limit of 15.01 tonnes?
Which container rating requires a working load limit of 15.01 tonnes?
Which of the following container ratings does NOT have an associated enhancement factor listed in the table?
Which of the following container ratings does NOT have an associated enhancement factor listed in the table?
Which container rating has the highest listed enhancement factor?
Which container rating has the highest listed enhancement factor?
What is the minimum required working load limit for a container rated at 12000kg?
What is the minimum required working load limit for a container rated at 12000kg?
For which container weight range does the table provide specific enhancement factors?
For which container weight range does the table provide specific enhancement factors?
For a container rated at 21000kg, what is the corresponding minimum required working load limit?
For a container rated at 21000kg, what is the corresponding minimum required working load limit?
What is the general trend of enhancement factors as container ratings increase?
What is the general trend of enhancement factors as container ratings increase?
What is the enhancement factor applied to determine the minimum required working load limit for a container rated at 17500kg?
What is the enhancement factor applied to determine the minimum required working load limit for a container rated at 17500kg?
If a container rated at 24000kg requires a working load limit of 26.70 tonnes, what would be the enhancement factor to apply?
If a container rated at 24000kg requires a working load limit of 26.70 tonnes, what would be the enhancement factor to apply?
What is the minimum force that internal lashing points in a general cargo container must be able to withstand?
What is the minimum force that internal lashing points in a general cargo container must be able to withstand?
What is the maximum allowable load on a driving ramp, expressed in terms of the payload (P)?
What is the maximum allowable load on a driving ramp, expressed in terms of the payload (P)?
What is the maximum test load for a driving ramp?
What is the maximum test load for a driving ramp?
What is the recommended minimum number of internal lashing points in a general cargo container?
What is the recommended minimum number of internal lashing points in a general cargo container?
What is the purpose of seals on doors that require weather tightness?
What is the purpose of seals on doors that require weather tightness?
What is the minimum character height required for the information on the inspection plate?
What is the minimum character height required for the information on the inspection plate?
What is the minimum number of inspections that the inspection plate shall be able to accommodate?
What is the minimum number of inspections that the inspection plate shall be able to accommodate?
What is the primary language for the information on the inspection plate?
What is the primary language for the information on the inspection plate?
What type of material is the inspection plate required to be made of?
What type of material is the inspection plate required to be made of?
Where should the inspection plate be attached?
Where should the inspection plate be attached?
What information is NOT required to be included on the inspection plate?
What information is NOT required to be included on the inspection plate?
What standard does the individual shackles for a lifting set need to meet in addition to the marking requirements?
What standard does the individual shackles for a lifting set need to meet in addition to the marking requirements?
What is a common method for marking individual shackles in a lifting set?
What is a common method for marking individual shackles in a lifting set?
Flashcards
Open Position Doors
Open Position Doors
Doors must securely remain open if needed.
Weather Tightness Seals
Weather Tightness Seals
Seals are added to ensure doors are weather-tight.
Driving Ramps Strength Test
Driving Ramps Strength Test
Driving ramps must be tested with a load of 1.25 times payload.
Maximum Allowable Load on Ramps
Maximum Allowable Load on Ramps
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Internal Lashing Points
Internal Lashing Points
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Intermediate Deck Payload Display
Intermediate Deck Payload Display
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Offshore Container Data Plate
Offshore Container Data Plate
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Manufacturer’s Serial Number
Manufacturer’s Serial Number
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Maximum Gross Mass
Maximum Gross Mass
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Certificate of Conformity Number
Certificate of Conformity Number
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Design Temperature
Design Temperature
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Corrosion-resistant Material
Corrosion-resistant Material
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Data Plate Language Requirements
Data Plate Language Requirements
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Inspection Plate Language
Inspection Plate Language
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Minimum Text Height
Minimum Text Height
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Required Information on Plate
Required Information on Plate
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Inspection Frequency
Inspection Frequency
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Combination of Plates
Combination of Plates
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Certification Header
Certification Header
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Material Requirement
Material Requirement
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Unique Shackle Identification
Unique Shackle Identification
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Pre-Job Information
Pre-Job Information
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Reporting to Employer
Reporting to Employer
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Signing In Process
Signing In Process
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Job Safety Analysis (JSA)
Job Safety Analysis (JSA)
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Meeting Time Agreement
Meeting Time Agreement
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Minimum thickness for waste skips
Minimum thickness for waste skips
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Fillet welds
Fillet welds
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Full penetration welds
Full penetration welds
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Intermittent fillet welding
Intermittent fillet welding
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Drainage facility requirement
Drainage facility requirement
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Locking devices design
Locking devices design
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Protection of hinges
Protection of hinges
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Locking device placement
Locking device placement
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Working Load Limit (WLL)
Working Load Limit (WLL)
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Container Rating (R)
Container Rating (R)
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Minimum Required WLL for Containers
Minimum Required WLL for Containers
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Enhancement Factor
Enhancement Factor
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WLL for 500kg Container
WLL for 500kg Container
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WLL for 2000kg Container
WLL for 2000kg Container
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WLL for 10000kg Container
WLL for 10000kg Container
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Dynamic Factors
Dynamic Factors
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WLL for 22500kg Container
WLL for 22500kg Container
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Maximum WLL
Maximum WLL
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WLL for 3500kg Container
WLL for 3500kg Container
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Ratio of Enhancement Factors
Ratio of Enhancement Factors
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Safety Standards for WLL
Safety Standards for WLL
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Weight Conversion Factor
Weight Conversion Factor
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WLL for 15000kg Container
WLL for 15000kg Container
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Study Notes
Offshore Containers Diploma (OSC) Global Workbook
- The OSC Diploma is a recognised industry-standard qualification for lifting equipment testers, inspectors, examiners, repairers, and maintainers.
- The qualification is essential for anyone involved in the testing, inspection, and examination of offshore containers and assessing their suitability for continued service.
- Key areas of training include: working on site, examiners' tools and equipment, offshore container standards, types of examination, terms, definitions, and symbols, design and construction, lifting eyes, lifting media, certification, lifting set design, container testing, lifting set testing, inspection report contents, pre-trip inspections, and safety precautions.
- Learning outcomes include the knowledge to perform a thorough examination of offshore containers in service and validate fitness for service.
- The course does not include ISO containers.
- Students can use external resources to support analysis of lifting equipment suitability.
Working on-site
- Professionals in the lifting equipment industry are expected to mitigate risk and keep people safe.
- Stakeholders (customers and employers) expect high professional standards.
- Competency in technical skills is necessary, but managing professional standards both internally and externally is equally important.
- LEEA's Vision Statement emphasizes eliminating accidents, injuries, and fatalities in the lifting and height safety industries.
TEAM Card
- The LEEA Diploma in Offshore Containers (Global) and the LEEA TEAM Card are awarded on successful completion of this training course and the end-point assessment.
- A 'competent person' is defined by LEEA in its COPSULE, a standard of ability expected from TEAM Card holders.
- Industry 'end-users' are encouraged to use LEEA member companies employing competent individuals.
- Using LEEA TEAM Card holders ensures safety and minimizes risks for lifting equipment owners.
Pre-Job Information
- List tasks, reporting person, necessary paperwork/instructions, equipment needed, access, storage, and workshop requirements, site access for test weights, and anticipated task duration.
Representing Your Employer
- Ensure vehicle and uniform/overalls are clean.
- Appropriate footwear and personal protective equipment (PPE) are used, considering alternative methods.
- Risk assessment or job safety analysis (JSA) is complete or conducted before starting work.
- Method statement for work is available and reviewed, discussed with customer.
Reporting and Signing In
- Report to reception and sign in officially.
- Exchange information on work and safety precautions with designated site contact.
- Agree on a meeting time for a debrief.
- Ensure communication methods and whereabouts are known throughout the work period.
During the job
- Ensure adequate access, reasonable cleanliness of the equipment.
- Visual aids and tools, adequate lighting are available.
- Safety analysis review is conducted before starting work, and any changes recorded.
- A permit to work is obtained if required.
- Equipment is confirmed against the work sheet instructions and user records.
- Additional control measures, necessary as appropriate, are taken.
- Toolbox talk with colleagues.
- Communication with equipment operators/users about equipment issues.
Completing the job
- Check operational checks and designated storage areas.
- Removed barriers and signs from cordoned areas.
- Notified equipment users of work completion.
- Completed reports with safety critical issues addressed.
- Equipment removed from service is quarantined as 'Do Not Use.'
- Detailed repairs and timelines are documented.
- Customer satisfaction is confirmed before leaving.
Why is it important to pre-arrange a sign off meeting with your customer prior to starting work on site?
- To ensure the work area meets the customer's expectations.
- To ensure customer availability for the report summary.
- To ensure work permits and control measures are removed.
- To ensure the customer can conduct operational checks on the equipment.
Equipment for Carrying Out On-Site Thorough Examinations
- The offshore examiner will need a selection of hand tools, depending on the job nature (e.g., lifting equipment, scaffolding, cleaning equipment).
- Suitable personal protective equipment (PPE) is necessary.
- Measuring equipment calibration is required according to relevant standards.
Lighting
- Adequate lighting (natural or artificial) is essential for defect identification.
Cleaning
- Inspection areas must be reasonably clean and free from contaminants.
Cleaning Materials
- Basic cleaning materials (rags, dustpan, brush, wire brush) and PH neutral cleaning fluids are recommended.
- Follow data sheets and chemical warnings for product usage.
Offshore Container Standards
- Various standards (e.g., BS EN 12079, BS 7072, DNVGL-ST-E271, BS EN ISO 10855) are referenced throughout for offshore container standards, inspection, and maintenance.
- Standards guide national authorities in developing approval and certification requirements for offshore containers.
Withdrawn Standards for Offshore Containers
- This section lists withdrawn standards for offshore containers, e.g., BS 7072:1989, BS EN 12079-1:2006, 2, and 3.
Current Standards for Offshore Containers
- This section presents the current standards, e.g., DNVGL-ST-E271, BS EN ISO 10855-3, BS EN ISO 10855-1, and 2.
BS EN 12079-1: 2006
- This European Standard outlines the design, manufacture, and marking requirements for offshore containers.
BS EN 12079-2: 2006
- This European Standard outlines design, manufacture, and marking requirements for lifting sets.
BS EN 12079 - 3: 2006
- This European Standard provides requirements for periodic lifting set inspection, examination, and testing.
DNVGL-ST-E271
- This standard provides global certification for offshore containers.
ISO 10855-1, ISO 10855-2, and ISO 10855-3
- This series of standards provides global certification for design, manufacture, marking, and periodic inspections / examinations for offshore containers.
Pad Eyes
- Offshore containers typically use pad eyes at top corners for lifting set attachment.
- ISO corner fittings are not suitable for offshore lifting.
- Pad eye design is critical to resist lateral bending.
- Clearance is controlled between pin and pad eye hole.
Shackles
- Shackles employed in lifting sets must meet standards and safety criteria for their intended use, including the tolerance on pin diameter.
Coating and Corrosion Protection
- Coating and suitable material are vital for offshore environmental conditions.
Tank Containers
- These containers must comply with standards appropriate for dangerous goods, including structural considerations and fittings.
Impact Protection - Impact Protection on Tank Containers for Dangerous Cargoes
- Tank components and fittings should be adequately protected from impact.
- The tank top and its fittings should be protected by beams, plates, or grating.
- Tank/fitting parts should not extend within 100mm of the top framework.
- Tank areas nearest the tank shell must have protective beams.
- Tank-bottom components below 150mm of the framework must have protection (beams or plating).
Lifting Set Markings
- Individual lifting set components must have unique identification.
- Lifting set slings must have permanently attached tags.
Certification
- Any change to a container's design or manufacturing process requires new type testing of its mechanical properties.
- Follow guidelines and use calibrated weights during any type testing.
Lifting Test
- Container lifting should be done at a specific angle and be clear of the ground during testing.
- No significant acceleration forces are allowed during the test.
- 5-minute hold is required before measurements.
All-Point Lifting Test
- Containers are loaded to 2.5 x the maximum gross mass, and lifted using all pad eyes.
- No deflections should exceed 1/300th of the span.
Two-Point Lifting Test
- Load 1.5 x Maximum Gross Mass and lift using two diagonally positioned pad eyes.
Post-Lifting Test
- Carry out non-destructive and visual inspection of pad eyes.
Vertical Impact Test
- Lowering or dropping the container loaded with the desired mass onto a rigid surface with specific inclines and required distances from the floor/ground.
Other Tests
- Open containers (6.5m+): Load to 1.6 x R + S and lift using fork pockets.
- Tank containers for hazardous goods: Tested according to IMDG Code.
Inspection Report Requirements
- Detailed inspection report requirements include container identification, owner information, report number, suitability statement, NDE details, marking confirmation, organization/individual details and dates & inspection scope.
Pre-Trip Inspections
- Pre-trip inspections are essential for containers before transporting them offshore.
- The inspection should verify the container's and lifting set's condition to ensure they are fit for use.
- Check inspection plates, container damage, lifting set damage, correct connections, correct presence of parts, potential dropped items (with open container types), and secure doors and locking mechanisms.
Codes of Practice
- International Maritime Organisation (IMO) is a specialized agency responsible for improving maritime safety and preventing marine pollution.
- The IMO's International Maritime Dangerous Goods (IMDG) Code provides guidelines for handling/transporting dangerous goods and marine pollutants.
Terms and Definitions
- An offshore container is a portable unit used for transporting goods/equipment between offshore installations and ships, with a maximum gross mass of 25,000kg.
Working Load Limits (WLL)
- WLL is calculated based on the maximum gross mass of the container and an enhancement factor.
- WLL values for different container types and lifting set configurations are provided.
Welding Requirements
- Welding of primary and secondary structure members must be done using full penetration or fillet welds appropriate to the design parameters.
Materials
- Containers are built from suitable materials able to withstand the offshore environment, including considerations for coating/corrosion protection.
Safety Precautions
- Safety-related measures should be included in any procedures before starting work.
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