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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


Lifting devices for offshore containers

9/23/2022

 
Unlike ordinary dry cargo containers, which are primarily used for land transportation, offshore containers are specialized containers used on offshore oil rigs;  Therefore, there is a well-established set of European standards for their design and manufacture, including DNV 2.7-1 and EN 12079.
Marine containers are mainly used on marine drilling platforms, where the operating environment is demanding and frequent hoisting is required, which places high requirements on container hoisting equipment.
All four corners of the top of the container have a top corner piece structure. The top corner piece structure consists of a standard container top corner piece, a lifting lug, and a reinforcing piece.
The uplifted ears are located on the inner side of the top horn, adjacent to it, and are arranged and fixed to it. The four-point or two-point lifting of a container can be performed by means of a hoist, and therefore there is a higher strength requirement on the hoist itself as well as on the top of the box in which the hoist is mounted. The lifted lug material must have low-temperature shock resistance properties.
The reinforcing piece consists of a bottom plate for the lifting lug, and a coaming plate arranged on three sides of the bottom plate of the lifting lug. The setting of the coaming plate not only strengthens the lifting ear area but also protects the lifting ear.
When lifted, a special sling is used, the shackles are passed through the eye holes and locked firmly, then the sling is lifted through the main ring of the sling.
LIFTING PAD EYE FOR OFFSHORE

What's the thickness and how many years can last of C5 VH painting in the offshore FPSO provide by TLS?

7/1/2022

 
Compared with the design durability of C5-H of 15-25 years, the corresponding dry film thickness of C5-VH is 320μm, and the design life of C5-VH is over 25 years. 
Specific parameters are as follows: 
  • Shop primer (pretreatment) 10 μm 
  • Epoxy zinc primer (secondary primer) 100 μm 
  • Epoxy intermediate coating 150 μm 
  • Polyurethane finish 60 μm
c5-vh-offshore-paint test
C5 painting for marine container which used in fpso
TLS Offshore Containers/TLS Special Containers is a global supplier of standard and customised containerised solutions.
Wherever you are in the world, TLS can help you.  Please contact us.
E-mail: sales@tls-containers.com  
Hotline: +65-65637288; +65-31386967

​Key words:
​
#FPSO Application  #Offshore containers  #DNV271 certified containers  #C5VH Painting

In cooperation with on-site inspections from end customers

4/13/2022

 
The specially designed ultra-wide explosion-proof lab container|workshop container| Pressure container is about to be delivered. Our technicians are cooperating with various inspections from the end customer and SGS to ensure that the performance of the container meets customer standards and industry standards.
TLS provides DNV2.7-1 standard | explosion-proof | which can be used in hazardous areas (ZONE 0, ZONE 1, AND ZONE 2) | special containers that meet A60 fire rating, we provide the independent certification from DNV | BV | LR | ABS | SGS.

​Any requirements, please contact us directly:
E-mail: sales@tls-containers.com 
Hotline: +65-65637288; +65-31386967
airlock is being inspected tls
cpfg testing explosion proof pressure container
the end customer is inspecting the positive pressure explosion proof box
test lab container inspection before shipping
laboratory container cleaning area zone 0 zone 1 zone 2
extra wide pressure container tls offshore
external container inspection tls
bv-lr-sgs-certificate-tls-offshore
Key words:
#DNV  #BV  #LR    #ABS  #SGS  #DNV2.7-1  #ESS  #BESS   #A60 fire rating  #explosion-proof  #LAB # workshop container  #TLS offshore containers



How to conduct a comprehensive inspection of the container before leaving the factory?

4/8/2022

 
The offshore laboratory container is undergoing overall performance testing. In order to ensure that all parameters meet the needs of customers, testing and adjustment with professional tools is one of the fixed processes for TLS to manufacture each positive pressure container | negative pressure container | lab container |workshop container.
​
TLS is an international company that can customize onshore | offshore special containers for you.
Any requirements, please contact us directly:
E-mail: sales@tls-containers.com 
Hotline: +65-65637288; +65-31386967
electrical system testing-workshop container tls
noise test offshore lab container
thermal smoke test tls offshore container
Key words:
#pressurised container #ATEX #IECEx #offshore container #workshop container #TLS #explosion-proof #CPFG #air blower fan  #Laboratory container #TLS offshore containers#noise test#temperature | smoke | test

WHAT PROCEDURES OF THE LIFTING TEST AND DROP TEST?

3/15/2022

 
TLS Offshore containers follow DNV2.7-1 standard to do test for offshore containers, the container should be lifted with a sling at a certain angle in the vertical direction according to the specification of DNV2.7-1. 
 
ALL POINT LIFTING TEST: 
The weight (2.5R-T) is placed inside the box and the deformation of the bottom frame is measured simultaneously. After 5 minutes of static lifting of the container, measure the deformation of the bottom frame.
 
2- point LIFTING TEST: 
Reduce the weight inside the box to (1.5R-T), and measure the deformation of the bottom frame.
 
FORK POCKET LIFTING TEST(If the container has pockets):
Adjust the weight inside the box to (1.6R-T), and measure the deformation of the bottom frame at the same time. Fix the fork arm with angle pieces or jack the container up and stand still for 5 minutes, then measure the line variation of the bottom frame (for the small container, directly lift the container with forklift and stand still for 5 minutes, then test and record the data). 
 
VERTICAL IMPACT TEST: Adjust the weight in the container to R-T state.
 
Appropriate Shackle and Wire Rope Sling should be installed on the four lifting points according to the design requirements of the drawing, and the lifting point of the Wire Rope should be adjusted appropriately to confirm that the container has a certain slope, and then the container should be unloaded quickly between the hook of the crane and the Wire Rope, and the container should be pulled by the Rope during lifting to prevent the container from swinging randomly.
Lift the container to the cement surface, adjust the tilt angle of the bottom side beam of the box by 5° (ensure that the highest point of the bottom frame can't be higher than the lowest point 400 mm), and ensure that the lowest point of the bottom frame of the container is more than 5 cm free naked distance from the ground to operate quick shackle, so that the container free fall.
Inspect all structural parts of the container for cracks or damage immediately after the drop sample is completed.

​Key words:
#container test #drop test #lifting test


DOES THE PAINT THICKNESS OF THE CONTAINER MATTER?

3/9/2022

 
    To withstand the test of various climates, the coating of the container must have very good application performance. One of the important indicators is excellent anti-corrosion performance, including long-term corrosion resistance of marine climate, good water resistance, salt water resistance, oil resistance, humidity and heat resistance, chemical resistance, etc.
      The film thickness of the paint is an important indicator to detect the performance of the container coating, which will directly affect the anti-corrosion performance of the paint film.
      Containers with different functions have different requirements for paint film thickness. TLS will give professional suggestions according to the specific needs of customers. For the manufacturing process of containers, TLS will follow up and monitor the whole process, including the detection of film thickness.

Key words:
#container painting #painting thickness #TLS offshore #painting test #container NDT #NDT inspection
offshore painting C5
MARINE SHIPPING CONTAINER

HOW ABOUT THE WELDING QUALITY OF TLS OFFSHORE CONTAINERS?

2/28/2022

 
    Welders of TLS offshore containers must have the corresponding welding qualification certificate, have the same type of container welding experience, and be approved by the production department manager and filed with the quality assurance department.

    The whole container assembly process is followed by QC to ensure that it passes the on-site inspection of the third-party classification society.

    Offshore containers provided by TLS are certified by third-party classification societies (BV, LR, DNV, ABS....), and the quality is trustworthy.

Key words:
#container welding #container third party  inspection #third party classification societies #BV inspection
TLS offshore containers welding
assembled offshore container shipping modular
assembled container tls
internal of shipping container
welding inspection tls offshore containers
assembly process of shipping container
inspection of welding
shipping container material
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shipping container welding inspection
shipping container welding inspection
shipping container welding inspection

IS THIS THE CONTAINER YOU NEED?

2/14/2022

 

​Customized offshore container module | workshop container is ready for shipment. Before the shipment, we carry out a system check to ensure that the equipment is in good condition when it arrives at the customer.
Please feel free to contact us if you also need such a customized module.


WHAT BASIC TESTS WILL THE FACTORY DO BEFORE THE CONTAINER DELIVERY?

1/21/2022

 

1 WELDING INSPECTION
Welding inspection of containers, including inspection and NDT.
The whole inspection process runs through the manufacturing process of containers, not limited to the final product, and adjusts production at any time to ensure welding quality.
 
2 LIFTING TEST
In addition to the test required by international container safety convention, our company will also carry out a two-point and four-point lifting test.
The two-point lifting test mainly tests the anti-deformation ability of containers at sea under extreme conditions, and the four-point lifting test mainly tests the carrying capacity of containers at sea. Both tests do not allow permanent deformation of containers at sea during accelerated crane lifting.
 
3 DROP TEST
The main purpose of the drop test 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.
 
4. WATER TIGHTNESS TEST
The container body is sprayed with high-pressure water from all directions, and will be checked in all directions after spraying to ensure that there is no water in it.

WATER TIGHTNESS TEST
WATER TIGHTNESS TEST for shipping container
LIFTING TEST

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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