Damage Control Damage Control IIII

ObjectivesObjectives

• DC Actions & ReportsDC Actions & Reports• Classes of Fires & Combating themClasses of Fires & Combating them• Firefighting Systems & equipmentFirefighting Systems & equipment

• Flooding systems & equipmentFlooding systems & equipment

General DC ActionsGeneral DC Actions• Rig spaces for casualtyRig spaces for casualty• Establish primary & secondary boundariesEstablish primary & secondary boundaries• Fight and control casualty with appropriate Fight and control casualty with appropriate

meansmeans• Localize casualty & stop Localize casualty & stop

flooding/extinguish fireflooding/extinguish fire• Restore systems to operationRestore systems to operation• Ventilate the affected spaces if necessaryVentilate the affected spaces if necessary

Flooding & FireFlooding & Fire• Must ensure restoration of vital Must ensure restoration of vital

servicesservices• PropulsionPropulsion• Electrical powerElectrical power• Vital piping and machineryVital piping and machinery

• Must always keep safety in mind -> Must always keep safety in mind -> NEVER try to be a one person DC NEVER try to be a one person DC party!!!party!!!

Casualty/DC ReportsCasualty/DC Reports• Initial reportInitial report

• What casualty is & what systemWhat casualty is & what system• Where casualty is -> be specificWhere casualty is -> be specific

• Follow up reportFollow up report• MMan in chargean in charge• AAssistance requiredssistance required• IInjured personnelnjured personnel• DDamaged equipmentamaged equipment• SStatus of casualty tatus of casualty

• Keep DC Central informed!!! allows Keep DC Central informed!!! allows for proper organization of damage for proper organization of damage control effortscontrol efforts

““MAIDS”MAIDS”

““MAIDSMAIDS””

FiresFires• Elements of the fire triangleElements of the fire triangle

• HeatHeat• OxygenOxygen• FuelFuel

• Classes of firesClasses of fires• Alfa:Alfa: wood, paper (leaves ash)wood, paper (leaves ash)• Bravo:Bravo: fuel, oil (flammable liquids)fuel, oil (flammable liquids)• Charlie:Charlie: electricalelectrical• Delta:Delta: combustible metals (Mg, Na, Ti)combustible metals (Mg, Na, Ti)

• Safety concerns: smoke, toxic gases, heat, Safety concerns: smoke, toxic gases, heat, explosionexplosion

oxygenheat

fuel

Extinguishing AgentsExtinguishing Agents• Alpha: water (firemain, sprinklers)Alpha: water (firemain, sprinklers)

• Removes heatRemoves heat• CO2 also acceptable for small firesCO2 also acceptable for small fires

• Bravo: AFFF, PKP, HALONBravo: AFFF, PKP, HALON• Smothers fireSmothers fire

• Charlie: COCharlie: CO22 (portable, installed) (portable, installed)• Displaces OxygenDisplaces Oxygen

• Delta: waterDelta: water• Solid stream, fogSolid stream, fog• JettisonJettison

Firefighting EquipmentFirefighting Equipment• Firemain systemFiremain system

• Receives water from sea & distributes to Receives water from sea & distributes to hoses and sprinklershoses and sprinklers

• Several types of constructionSeveral types of construction• Single Main (small ships)Single Main (small ships)• Horizontal LoopHorizontal Loop• Vertical LoopVertical Loop

• Sprinkler systemsSprinkler systems• Installed in magazines, turrets, weapons Installed in magazines, turrets, weapons

roomsrooms• Can be manual or automaticCan be manual or automatic

Firefighting EquipmentFirefighting Equipment• All-purpose nozzleAll-purpose nozzle

• Solid streamSolid stream• High-velocity fogHigh-velocity fog• Low-velocity fog (rotate nozzle)Low-velocity fog (rotate nozzle)

• HosesHoses• StandardStandard

• 50’ or 100’ lengths50’ or 100’ lengths• 1.5” diameter1.5” diameter

• CollapsibleCollapsible

Firefighting EquipmentFirefighting Equipment• Foam equipmentFoam equipment

• AFFF - Aqueous film-forming AFFF - Aqueous film-forming foamfoam

• Used for Class B (smothers fire) Used for Class B (smothers fire)

• Portable extinguishersPortable extinguishers• COCO22: : Class C or small Class A/BClass C or small Class A/B• AFFF: AFFF: Class A or B firesClass A or B fires• PKP: PKP: Class B fires (dry Class B fires (dry

chemicals)chemicals)

Firefighting EquipmentFirefighting Equipment• Oxygen Breathing Apparatus Oxygen Breathing Apparatus

(OBA)(OBA)• Self-contained breathing protectionSelf-contained breathing protection• Generates its own oxygenGenerates its own oxygen• Provides 30-45 minutes of air/canister Provides 30-45 minutes of air/canister

• Emergency Air Breathing (EAB)Emergency Air Breathing (EAB)• Breathing device that plugs into Breathing device that plugs into ship’s airship’s air

• Essentially unlimited air supplyEssentially unlimited air supply

• Must unplug/replug each time you Must unplug/replug each time you movemove

• Emergency Exit Breathing Device Emergency Exit Breathing Device (EEBD)(EEBD)

• Self-containedSelf-contained

• Provides 15 minutes of oxygen to Provides 15 minutes of oxygen to allow for escapeallow for escape

Firefighting EquipmentFirefighting Equipment• Naval Firefighting Thermal Naval Firefighting Thermal

Imager (NFTI)Imager (NFTI)• Battery-powered thermal Battery-powered thermal

imaging deviceimaging device• Provides “sight” in poor Provides “sight” in poor

visibility (smoke)visibility (smoke)• Provides indication of hot spotsProvides indication of hot spots

• Fire Fighting Ensemble (FFE)Fire Fighting Ensemble (FFE)• Flame/heat retardantFlame/heat retardant• Full-body suit to prevent Full-body suit to prevent

exposed skinexposed skin• Worn in conjunction with OBAWorn in conjunction with OBA

FloodingFlooding• Can occur for a number of reasonsCan occur for a number of reasons

• Missile / Torpedo hitMissile / Torpedo hit• Damaged pipingDamaged piping• Running agroundRunning aground

• Must not only stop flooding but Must not only stop flooding but also remove water that has also remove water that has entered shipentered ship• Drain system usedDrain system used• Portable submersible pumps usedPortable submersible pumps used

• Repair leak & structural damageRepair leak & structural damage• Use shoring, wedge, shole, strongback Use shoring, wedge, shole, strongback

etc.etc.

Flooding ActionsFlooding Actions• Identify flooding locationIdentify flooding location• Stop / Limit floodingStop / Limit flooding• Establish boundariesEstablish boundaries

• Water tight bulkheadsWater tight bulkheads• Piping systemPiping system

• Repair: shoring, patching, pluggingRepair: shoring, patching, plugging• Dewater SpacesDewater Spaces• Restore vital systems / equipmentRestore vital systems / equipment

Priority of DewateringPriority of Dewatering• Spaces where damage cannot be Spaces where damage cannot be

repaired?repaired?• Stability (List / Trim)Stability (List / Trim)• Equipment:Equipment:

• P-250 pumpP-250 pump• Electric submersible pumpElectric submersible pump• EductorEductor

Safety Precautions Safety Precautions During Damage Control During Damage Control

OperationsOperations• FlashburnFlashburn• Electric ShockElectric Shock• Exploding Ordnance / FuelExploding Ordnance / Fuel• Heat StressHeat Stress• Overcome by smoke / COOvercome by smoke / CO22

• Loss of lighting / Trip hazardsLoss of lighting / Trip hazards

QuestionsQuestions??