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Ensuring Safety and Reliability: Testing Standards for Offshore Containers and Lifting Equipment

3/3/2023

 
The design and construction of offshore containers, as well as their lifting equipment, are subject to strict regulations and standards to ensure their safety and reliability in the challenging operating environment of offshore oil rigs. The DNV 2.7-1 and EN 12079 standards set out the requirements for the design, manufacture, testing, and certification of offshore containers, including their top corner piece structure and lifting equipment.
 
To ensure that these containers are safe and reliable, a series of tests are conducted. These tests include:
 
1. All Point Lifting Test: This test involves placing a weight of 2.5R-T inside the container and measuring the deformation of the bottom frame while the container is lifted at all four corners for 5 minutes. After 5 minutes, the deformation of the bottom frame is measured.

2. Two-Point Lifting Test: In this test, the weight inside the container is reduced to 1.5R-T, and the deformation of the bottom frame is measured.

3. Fork Pocket Lifting Test (if applicable): If the container has fork pockets, this test involves adjusting the weight inside the container to 1.6R-T and measuring the deformation of the bottom frame while fixing the fork arm with angle pieces or jacking up the container and standing still for 5 minutes. For small containers, the container is directly lifted with a forklift and held still for 5 minutes, after which the data is recorded.

4. Vertical Impact Test: For this test, the weight inside the container is adjusted to the R-T state.To lift a container, appropriate shackles and wire rope slings should be installed on all four lifting points according to the design requirements specified in the drawing. The lifting point of the wire rope should be adjusted to ensure that the container is at a certain slope. When lifting the container, it should be unloaded quickly between the hook of the crane and the wire rope, and the container should be pulled by the rope to prevent it from swinging randomly. Once the container is lifted to the cement surface, adjust the tilt angle of the bottom side beam of the box by 5 degrees. The highest point of the bottom frame should not be higher than the lowest point by more than 400 mm. Make sure that the lowest point of the bottom frame is at least 5 cm away from the ground to operate the quick shackle, allowing the container to free fall. After the test is completed, inspect all structural parts of the container for any cracks or damage.
 
The main purpose of the tests is to examine the impact of the lifting and placing of containers at sea to ensure that the cabinet can withstand the damage caused by the impact. 

Written by Oliver



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  • Home
    • About us
    • Quality, Health, Safety and Environment
    • Manufacturing standards
    • Container certificates
  • Containerised solutions
    • Intelligent pressurised container | MUD logging cabin
    • Battery energy storage system (BESS) container
    • Laboratory container | workshop container | Equipment containers
    • Temporary refuge shelter | Toxic gas refuge | Safe haven
    • Offshore accommodation cabin | office container
    • Reefer container | Refrigerated container
    • Intelligent waste water treatment container
    • Fresh water generator container
  • Cargo Containers
    • Offshore closed containers
    • Half height container
    • Cargo basket
    • Cutting skip, waste skip
    • Drum basket
    • Offshore Tank
    • Mini container
    • Open top container
  • Product photos & videos
  • News & Blogs
  • Contact us