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Ballast Control Operation Stability


The course is designed to give participants a good understanding in the theory and practical application of ship stability during the operation ballasting – deballasting of "MODU" , and to have a good appreciation of the stability of floating platforms.


The purpose of this course is to train Installation Managers, Barge Supervisors or Ballast Control Operators on board floating platforms to have a practical stability, to understand the inherent dangers, how to combat any loss of buoyancy that may result from damage, to appreciate the forces of nature in the marine environment and to compensate for these forces in maintaining a safe voyage.


  • Basic  stability
  • Reserve buoyancy
  • Basic  load lines
  • Transverse stability
  • Vertical and horizontal shift of centre of gravity
  • Basics of free surface understanding
  • Hydrostatic particulars of a vessel
  • Stability definition on a Mobile Offshore Drilling Unit (MODU)
  • KM curves and GZ Curve for (MODU)
  • Inclining experiment
  • Use of the radian with trim and list calculation for small angles
  • Calculating the environmental forces affecting the (MODU).
  • Rig Orientation
  • Operational Control, trim, Stability and stress
  • Prevention of pollution
  • Emergency procedures
  • Severe weather
  • Communication

Who Should Attend:

     The Course is mainly for Installation Managers, Barge Supervisors, and Ballast Control Operators on board floating platforms and/or any newcomers to that filed.




        8 Days

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