1. Damage Control

2. WHY ?

5. Learning Objectives Know the typical shipboard damage control organization and responsibilities of key personnel Know the typical shipboard damage control organization and responsibilities of key personnel Know how shipboard watertight integrity is obtained Know how shipboard watertight integrity is obtained Know the various conditions of readiness Know the various conditions of readiness Know the importance of preventive damage control Know the importance of preventive damage control

6. DC Overview Ships at sea are isolated Ships at sea are isolated The crew must be capable of handling any damage the ship may encounter. The crew must be capable of handling any damage the ship may encounter. Ships are dangerous! Ships are dangerous! Compressed systems Compressed systems Liquid fuels, other flammables Liquid fuels, other flammables Water everywhere Water everywhere No escape! No escape! DC is an all-hands evolution DC is an all-hands evolution

7. Damage control is a 3-phase activity: Prevent the damage Prevent the damage Minimize the effects of damage Minimize the effects of damage Restore the ship to an effective fighting unit Restore the ship to an effective fighting unit

8. Plugging Plugging and Praying Shoring First Aid Pipe patching

9. Effective damage control requires: Organization Organization Education Education Training Training Maintenance of equipment Maintenance of equipment 90% of the damage control needed to save a ship takes place before the damage occurs. 90% of the damage control needed to save a ship takes place before the damage occurs.

10. HOSEHANDLING!

11. Damage Control Organization POSITION/COC LOCATION COCIC/Bridge CHENG (DC Officer)Main Control DC Assistant DC Central Locker Officers/LeadersRepair Locker Scene LeadersScene of damage Hose teams Scene of damage

12. DCC Damage Control Central Damage Control Central The “brain” of the DC central nervous system. The “brain” of the DC central nervous system. DCA controls repair parties from here. DCA controls repair parties from here.

13. Repair parties The larger the ship the greater the number of repair parties. The larger the ship the greater the number of repair parties. REPAIR PARTYLOCATION Repair 1Main Deck repair Repair 2Forward repair Repair 3After repair Repair 4Amidships repair

14. Repair Parties Repair 5 - Propulsion Repair Party Repair 5 - Propulsion Repair Party Engineering Officer or Chief Petty Officer & a broad cross section of engineering ratings Engineering Officer or Chief Petty Officer & a broad cross section of engineering ratings Repair 6 - Ordnance Repair Party Repair 6 - Ordnance Repair Party Repair 7 - Gallery & Island repair party Repair 7 - Gallery & Island repair party Repair 8 - Electronics Repair Party Repair 8 - Electronics Repair Party

15. Compartmentation Navy ships are extensively compartmented. This compartmentation acts as a barrier to fires and flooding and prevents further damage. Navy ships are extensively compartmented. This compartmentation acts as a barrier to fires and flooding and prevents further damage. Watertight Integrity – integral part of compartmentation Watertight Integrity – integral part of compartmentation Maintained through training and repair Maintained through training and repair

16. Material condition of readiness Explains which doors, hatches and fittings are permitted open (the ship’s level of watertight integrity). Explains which doors, hatches and fittings are permitted open (the ship’s level of watertight integrity).

17. Material condition of readiness X-ray (X): X-ray (X): Least amount of protection Least amount of protection No danger of attack or damage No danger of attack or damage X-ray classified fittings are closed at all times X-ray classified fittings are closed at all times

18. Material condition of readiness Yoke (Y): Yoke (Y): Set and Maintained at sea Set and Maintained at sea In-port during wartime In-port during wartime When condition yoke is set, all fittings marked with an X or Y are closed When condition yoke is set, all fittings marked with an X or Y are closed

19. Material Condition of Readiness Modified Yoke Modified Yoke Used at sea, in good weather, calm seas and in-port at peacetime Used at sea, in good weather, calm seas and in-port at peacetime Yoke fittings above waterline are left open Yoke fittings above waterline are left open

20. Material condition of readiness Zebra (Z): Zebra (Z): Set during GQ Set during GQ Maximum protection in battle and emergency situations Maximum protection in battle and emergency situations All fittings marked with a red “Z”, an “X” or “Y” shall be closed All fittings marked with a red “Z”, an “X” or “Y” shall be closed

21. Special classifications William (W): William (W): Applied to vital ship systems Applied to vital ship systems Open and operating when system in use Open and operating when system in use Closed to restrict the spread of damage or to accomplish PM Closed to restrict the spread of damage or to accomplish PM

22. Special classifications Circle X and Circle Y: Circle X and Circle Y: May be open without special permission BUT must be secure immediately after use May be open without special permission BUT must be secure immediately after use

23. Special classifications Circle Z: Circle Z: Applies only to fittings that may be opened during prolonged periods of general quarters, with Commanding Officer permission Applies only to fittings that may be opened during prolonged periods of general quarters, with Commanding Officer permission Must be guarded for immediate closure Must be guarded for immediate closure

24. Special classifications Circle W: Circle W: Ventilation systems and access openings Ventilation systems and access openings Closed in case of CBR attack Closed in case of CBR attack Closed to restrict the spread of damage or to accomplish PM Closed to restrict the spread of damage or to accomplish PM

25. Special classifications Dog Z: Dog Z: These special classifications allow normal passage for watches or patrols These special classifications allow normal passage for watches or patrols Closed by divisional DCPO when darken ship is set Closed by divisional DCPO when darken ship is set

26. All Hands It is the responsibility of all hands to maintain the material condition in effect. If it is necessary to break the condition, permission must be obtained (from OOD or DCC). A DC closure log is maintained in DCC at all times. It is the responsibility of all hands to maintain the material condition in effect. If it is necessary to break the condition, permission must be obtained (from OOD or DCC). A DC closure log is maintained in DCC at all times.

27. QUESTIONS?