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Comprehensive Stability
This comprehensive self-study manual is targeted for offshore drilling industry field personnel. It methodically teaches vessel stability and many of its concepts in an easy-to-understand language. The book covers fundamental topics such as terms and definitions, on-board calculations, draft, hydrostatic properties, free surface effect, inclining experiment, center of gravity, center of buoyancy, and metacenter theory.
Topics covered include:
- Basic measurement, units, and quantities
- Definitions used for stability
- Center of gravity (G), center of buoyancy (B), and metacenter (M) and calculations for all three
- Principles of change of draft, heel, and trim
- Hydrostatic property tables
- Free surface effect
- Inclining experiment
- Stability at large angles and regulations
- Stability curves
- Stability calculations on board
- Damage stability
- Design and construction
The book teaches concepts to the standard required by IMO resolution A.891(21), which specifies the knowledge, understanding, and proficiency for stability for offshore installation managers (OIM), barge supervisors (BS), and ballast control operators (BCO) on board mobile offshore units (MOUs). It is a must for all marine personnel working on jackups, semisubmersibles, and other MODUs. ISBN 0-88698-214-6. 2005, 152 pp.
Also available as an e-book!
This manual only teaches the concepts of stability up to the standards of IMO Resolution A.891(21). For a more in-depth and technical look at the concepts covered in this book, please refer to Advanced Stability.
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Don’t Forget the Essentials!

