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Email : info@kooka.com.tw

 

KOOKA Technology Corporation
 

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Marine Growth Preventor Ring

 

THE WORLD’S LOWEST COST 
STRUCTURAL INTEGRITY MANAGEMENT (SIM) SOLUTION
 

 

THE EFFECTS OF MARINE GROWTH ON OFFSHORE STRUCTURES

 

1)    The increasing thickness of the marine growth increases the member’s effective diameters, leading to increased projected area and displaced volume, and hence increased dynamic loading;

2)    With the attachment of marine growth, a member’s surface is roughened. The increase in surface roughness gives rise to changes in both the drag and inertia coefficients, which strongly affects the hydrodynamic response of the structure. Large differences were found in the maximum hydrodynamic loads for different marine growth thicknesses values because not only the jacket mass was affected but also the added mass was increased.
COMBATING THE “LETHAL” COMBINATION 

 

The combination of marine growth and wave loading on offshore platforms:

 

  • Increases cyclic stress and reduces fatigue life
  • Increases lateral loadings and reduces Reserved Strength Ratio (RSR)
  • Increases probability of failure (PoF).
  • Increases maintenence cost and manpower
  • Increases maintenance frequency and difficulitites
WITH THE PATENTED MGP-i  SOLUTION
 
  • A 30-year old technology developed and owned by IEV Group
  • Recognised in API RP2 SIM (Nov 2014 1st Edition) as a measure to reduce hydrodynamic loading on platforms
  • Targets marine fouling in the wave zone 
  • Cleans and prevents marine growth in one single deployment
  • Powered solely by ocean energy
  • Can be applied to all marine structures, new or old
  • Eliminates and/or significantly reduces the need for periodical cleaning 
  • No diver / ROV intervention
  • No structural modification required 
  • Allows incremental marine growth thickness below the wave zone
The MGP-i marine attachment suppression ring developed by IEV Group in Malaysia in 1987 is made of special environmentally friendly rubber. The special design structure of the product has a self-cleaning function. It does not need to use any power source, its power is provided by the endless ocean energy, through the use of ocean waves, swells, currents and tidal fluctuations for the specially designed MGP-i marine attachment suppression ring Continuous rolling motion inhibits the growth of marine attachments and provides a steady stream of power.

 

The "i" of MGP-i symbolizes the product: 1. Innovative, 2. Impact-resistant, and 3. Improved technical specifications.

 

MGP-i is the latest generation of design, with self-cleaning function and typhoon-proof and impact-resistant design. It can be installed in single-ring or multi-ring according to the needs of the basic structure.
With tidal and wave surges, the MGP-i has the ability to remove existing attached marine growth from above the water surface, permanently preventing their repopulation in the wave zone and reducing the wave load caused by it.

 

MGP-i provides a highly cost-effective Structure Integrity Management solution for structural integrity management and extended service life. Compared to alternative solutions that require regular cleaning and maintenance, or regular structural modifications.
 
MGP-i provides structural integrity management and extended service life for offshore platforms. Extended service life offers a simple, reliable and low-cost solution.

 

The use of MGP-i reduces dynamic and hydrodynamic loads on offshore wind turbine platforms, thereby increasing their structural capacity and retained strength ratio (RSR). The reduction in cyclic wave loads also improves the fatigue life of all connectors, thereby extending the life of the platform.

 

The MGP-i harnesses the energy of the ocean to provide structural cleaning, so there is no need for divers or ROVs to perform regular cleanings, saving time and money safely.
MGP-i : CERTIFIED AS A TYPHOON PROOF PRODUCT THROUGH A DROP-TEST VALIDATED BY SGS
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