Damage Control OverviewWhy Learn Damage Control?PowerPoint PresentationObjectivesIntroductionDC OrganizationSlide 7Preventing Casualties“Compartmentalization”Material Conditions of ReadinessSlide 11Special ClassificationsSlide 13Slide 14DC EquipmentQuestions?Damage ControlDamage ControlOverviewOverviewWhy Learn Damage Why Learn Damage Control?Control?•Fire… call the local fire department?Fire… call the local fire department?•Flooding… you either fix the damage Flooding… you either fix the damage or sink to the bottomor sink to the bottom•Crew’s responsibility to handle any Crew’s responsibility to handle any ship damageship damageObjectivesObjectives•Objectives of damage controlObjectives of damage control•Damage control organizationDamage control organization•Prevention aspects of DCPrevention aspects of DC•Material conditions of readinessMaterial conditions of readiness•Maintenance of DC equipmentMaintenance of DC equipmentIntroductionIntroduction•Damage control includes both prevention Damage control includes both prevention and remedial measuresand remedial measures•Two basic objectives:Two basic objectives:•Take all practical preliminary measures Take all practical preliminary measures before damage occurs to prevent itbefore damage occurs to prevent it•Limit and localize damage when it does occurLimit and localize damage when it does occur•DC abilities dependent upon prompt DC abilities dependent upon prompt action by personnelaction by personnelDC OrganizationDC Organization•DC Organization a vital part of ship’s DC Organization a vital part of ship’s battle organizationbattle organization•Engineer & DCA in charge of actionsEngineer & DCA in charge of actions•DC CentralDC Central•Controlling station for combating casualtiesControlling station for combating casualties•Primary purpose is to collect and coordinate Primary purpose is to collect and coordinate reports to determine what actions neededreports to determine what actions needed•Tracks casualties, maintains diagrams of Tracks casualties, maintains diagrams of statusstatusDC OrganizationDC Organization•Repair PartiesRepair Parties•DC groups set up to fight casualtiesDC groups set up to fight casualties•Number & ratings of people determined by Number & ratings of people determined by number of personnel on shipnumber of personnel on ship•Repair/DC lockers store equipmentRepair/DC lockers store equipment•Fire partiesFire parties•Made up of portion of repair partiesMade up of portion of repair parties•Composition varies depending on ship sizeComposition varies depending on ship sizePreventing CasualtiesPreventing Casualties•About 90% of damage control is done About 90% of damage control is done before the damage occurs -> before the damage occurs -> PREVENTIONPREVENTION•Must work to ensure structural Must work to ensure structural strength and watertight integrity strength and watertight integrity maintainedmaintained•All personnel get trained in DC All personnel get trained in DC knowledge and proceduresknowledge and procedures““CompartmentalizationCompartmentalization””•Ships can have up to 600 Ships can have up to 600 watertight compartmentswatertight compartments•Barrier to fires and Barrier to fires and floodingflooding•Prevents further damagePrevents further damage•Not effective if watertight Not effective if watertight integrity is not maintainedintegrity is not maintainedMaterial Conditions of Material Conditions of ReadinessReadiness•All doors, hatches, scuttles, All doors, hatches, scuttles, etc. classified and markedetc. classified and marked•Each material condition Each material condition represents a degree of represents a degree of tightness/securitytightness/security•Maximum closure cannot be Maximum closure cannot be maintained at all times - why?maintained at all times - why?•Three conditions of readinessThree conditions of readiness•X-ray (X)X-ray (X)•Provides least protectionProvides least protection•Set when ship not in danger of attack Set when ship not in danger of attack (well-protected harbor)(well-protected harbor)•Yoke (Y)Yoke (Y)•More protectionMore protection•Set in unprotected harbor/after hours Set in unprotected harbor/after hours or normal underwayor normal underway•Zebra (Z)Zebra (Z)•Maximum protectionMaximum protection•Wartime or General Quarters (GQ)Wartime or General Quarters (GQ)•Localize fire/floodingLocalize fire/floodingMaterial Conditions of Material Conditions of ReadinessReadinessXYZSpecial ClassificationsSpecial Classifications•Circle X and Y:Circle X and Y:•Letter within black circleLetter within black circle•May be opened without permission, May be opened without permission, but must be closed after usebut must be closed after use•Circle Z:Circle Z: •Letter within red circleLetter within red circle•May be opened during GQ for May be opened during GQ for comfort of the crew with CO comfort of the crew with CO permission permission •Guarded while open so they can be Guarded while open so they can be shut immediatelyshut immediatelyZYXSpecial Special ClassificationsClassifications•William (W):William (W):•Sea suction valves which serve vital Sea suction valves which serve vital systems cooling water. Closed only to systems cooling water. Closed only to prevent further damageprevent further damage•Circle W:Circle W: •Letter within black circleLetter within black circle•Ventilation fittings, which are normally Ventilation fittings, which are normally open, are closed when NBC attack is open, are closed when NBC attack is imminentimminent •Dog Z:Dog Z: •Letter within black ‘D’Letter within black ‘D’•Closed during darken ship as well as Closed during darken ship as well as General QuartersGeneral QuartersWWZDDC EquipmentDC Equipment•Maintenance of watertight Maintenance of watertight integrity & fittingsintegrity & fittings•Chalk tests, air blast tests, & Chalk tests, air blast tests, & pressure tests used to pressure tests used to ensure seals work properlyensure seals work properly•DC equipment is inspected DC equipment is inspected and tested as part of PMSand tested as part of PMS•DCA in charge of DC DCA in charge of DC equipment with divisional equipment with divisional DCPO’s assistingDCPO’s