DAMAGE CONTROL

• Reduce harmful effects of impairment

  Damage control
• Damage Control Premama


  Preserve watertight integrity

  Make Rapid repairs

  Maintain stability
• Types of damage control system DFF

  Drainage/Flooding

  Fire main/ sprinkling

  Fuel/ Freshwater
• Usage of drainage 


  Remove large quantity of water

  Remove water from hull
• Flooding


  Balance the ship
• Types of drainage: MaSeMa

  Main drainage

  Secondary

  Main condenser circulatory pumps
• High capacity/ move large quantity of water 


  Main drainage system
• Drain small compartment 


  Secondary
• Emergency drainage of engine room


  Main condenser circulatory pumps
• Supply plenty of water for fighting 


  Fire main system
• Tanks/ fillling, feed lines. List/trim of ship

  Fuel Freshwater system
• Purpose of compartment division CoSePro

  Control flooding

  Segregate activities personnel

  Provide underwater protection by means of tanks and voids
• Reduction of armor


  Compartmentation
• Traverse/ Longitudinal 


  Bulkhead
• Heavier/ unpierced area


  Watertight bulkhead
• Protect flooding


  Collision bulkhead
• First transverse


  Bow collision
• Enclosure for bulkhead opening

  Doors/Hatches
• Reists 1 1/2 pressure with 6-12 dogs

  Watertight doors
• Fewer dogs


  Non watertight
• Horizontal doors


  Hatches
• Made of rubber/ installed on doors

  Gaskets
• From decks/bulkheads


  Knife edges
• Connect dogs to deck

  Pins
• Used to make closure

  Dogs
• Degree of access


  Material condition of readiness
• Set when enemy is improbable 


  Condition xray
• When enemy is probable/ more protection

  Condition yoke
• Fittings to be closed during condition yoke


  Xray/ yoke
• When enemy is eminent / max degree of watertight integrity

  Condition zebra
• Condition x y z

  Circle x-ray( black x in black cirle)
• Condition y z


  Circle yoke (black y in black xircle)
• Condition z


  Circle zebra- red z in red circle
• Red z with black d

  Dog zebra
• William


  Black w
• Circle william


  Black w in black circle
• Fire starts with combustible material

  Fuel
• Oxidizer


  Oxygen
• Chain reaction oxidation


  Fire tetrahedron
• Common: paper/wood/ropes


  Class A- solid stream/ water spray