installed ballasting systm.ppt - Lesson 4.10 Installed...

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Lesson 4.10 Installed Ballasting Systems
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Lesson 4.10 Installed Ballasting Systems
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Lesson 4.10 Installed Ballasting Systems
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Lesson 4.10 Installed Ballasting Systems
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BALLASTING is the process of filling low compartments from the sea to improve ship stability or control list / trim. BALLASTING systems may be independent ( clean ballast ) or they may incorporate sections of the fuel and drainage systems ( dirty ballast ). DEFINITION
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REASONS FOR BALLASTING INCREASE WEIGHT LOW TO IMPROVE STABILITY ELIMINATE EXCESSIVE LIST / TRIM COUNTERFLOOD FOLLOWING DAMAGE TO OFF CENTER COMPARTMENT EXPLOSION ABSORPTION WET WELL OPERATIONS (AMPHIBS) GROUNDING SUPPRESS FREE SURFACE EFFECT
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TYPES OF BALLASTING SYSTEMS SOLID LIQUID
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SOLID BALLAST PERMANENT NORMALLY USED TO ELIMINATE INHERENT LIST TYPICAL MATERIALS: CEMENT (OR "SEEMENT") IRON LEAD LIST OF SOLID BALLAST WILL BE INCLUDED IN SUMMARY OF FULL LOAD CONDITION OF SHIP’S DAMAGE CONTROL BOOK
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LIQUID BALLAST SYSTEMS AUTOMATIC (FUEL OIL COMPENSATION) MANUAL SYSTEMS
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