Damage Control
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Damage Control Lesson 10 and 11. Learning Objectives Lesson 10. Know the reqs. for looking ahead in shipboard DC training and preparedness. Know DC organization and responsibilities of key personnel Know how shipboard watertight integrity is obtained Know conditions of readiness

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Damage Control

Lesson 10 and 11


Learning objectives lesson 10
Learning ObjectivesLesson 10

  • Know the reqs. for looking ahead in shipboard DC training and preparedness.

  • Know DC organization and responsibilities of key personnel

  • Know how shipboard watertight integrity is obtained

  • Know conditions of readiness

  • Know importance of preventative DC


Who said it
Who said it?

  • “Hit hard, hit fast, hit often!”



Dc overview
DC Overview

  • Ships at sea are isolated from shore help and usually help from other ships; therefore, the crew must be capable of handling any damage the ship may encounter.

  • Ships are dangerous!

    • Compressed systems

    • Liquid fuels, other flammables

    • Water everywhere

    • No escape!


Damage control is a 3 phase activity
Damage control is a 3-phase activity:

  • Prevent the damage

  • Minimize the effects of damage

  • Restore the ship to an effective fighting unit


Plugging and Praying

Plugging

First Aid

Shoring

Pipe patching


Effective damage control requires
Effective damage control requires:

  • Organization

  • Education

  • Training

  • Maintenance of equipment

    • Ninety percent of the damage control needed to save a ship takes place before the damage occurs.

    • Damage control is an all-hands evolution. The crew must be capable of handling damage because there is no place to go at sea. Everyone on a ship must be general damage control qualified and train regularly.



Damage control organization
Damage Control Organization

POSITION/COCLOCATION

CO CIC/Bridge

CHENG (DC Officer) Main Control

DC Assistant DC Central

Locker Officers/Leaders Repair Locker

Scene Leaders Scene of damage

Hose teams Scene of damage


DCC

  • Damage Control Central

    • The “brain” of the DC central nervous system.

    • DCA controls repair parties from here.


Repair parties
Repair parties

  • The larger the ship the greater the number of repair parties.

    REPAIR PARTY LOCATION

    Repair 2 Forward repair

    Repair 3 After repair

    Repair 5 Propulsion repair


Watertight integrity
Watertight Integrity

  • Navy ships are extensively compartmented. This compartmentation acts as a barrier to fires and flooding and prevents further damage. Navy ships are built to withstand the solid flooding of a certain number of compartments without sinking. This passive defense is surrendered if watertight integrity is not maintained through training and repair. Watertight doors and hatches must be maintained and closed properly.


Material condition of readiness
Material condition of readiness

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


Material condition of readiness1
Material condition of readiness

  • X-ray (X): Provides the least protection and is set when there is no danger of attack or damage. All fittings marked with a black “X” shall be closed.


Material condition of readiness2
Material condition of readiness

  • Yoke (Y): Set and maintained at sea and in port during wartimeor outside normal working hours. All fittings marked with a black “Y” shall be closed in addition to all “X” fittings.


Material condition of readiness3
Material condition of readiness

  • Zebra (Z): Set during general quarters; provides the maximum protection for the ship and personnel in battle and emergency situations. All fittings marked with a red “Z” shall be closed, in addition to those marked with an “X” and “Y."


Special classifications
Special classifications

  • William (W): Sea suction valves and fittings which serve vital systems’ cooling water, and other fittings and equipment necessary for fire protection and mobility. They are closed only to prevent further damage.


Special classifications1
Special classifications

  • Circle X and Circle Y: Letter within a black circle. Signifies that may be opened without special permission, but must be secured immediately after use


Special classifications2
Special classifications

  • Circle Z: Letter within a red circle. May be opened with permission of the CO during general quarters for the comfort of the crew. Guarded when opened for immediate closure, if necessary


Special classifications3
Special classifications

  • Circle W: Letter within a black circle. Signifies ventilation fittings that are normally open and operating, but may have to be closed to prevent contamination from CBR attack or smoke. When closed, the habitability of the ship decreases rapidly. Should be closed for only very short periods


Special classifications4
Special classifications

  • Dog Z: Fittings marked with a red “Z” inside a black “D” are closed to darken the ship. (Accesses to weather decks not equipped with light traps or door switches; porthole covers, etc.)

D

z


All hands
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.



Dc systems and equipment lesson 11
DC Systems and EquipmentLesson 11

  • Know how to combat fire and underwater hull damage.

  • Know the four classes of fire and how to combat each.

  • Know the use of equipment and tools used to fight the ship.

  • Know the principles of the fire main system.

  • Know how to DON fire fighting gear.



A fire what makes up a fire
A Fire? What makes up a Fire?

  • The Fire Triangle: (free radicals/chemical reaction)

Fuel

Heat

Oxygen


What is it
What is it?

  • Fuel: The part of the triangle that burns.

  • Paper,wood

  • Oil/gas

  • Paint

  • Wires

  • Textiles/cloth

  • Metal


What is it1
What is it?

  • Oxygen: The part of the triangle that allows for combustion to take place or to burn.


What is it2
What is it?

  • Heat: The temperature that is needed for a substance to exceed it’s flash point, or temp where it burns.


HOW!!!

  • The last missing piece! The missing link!

  • FREE RADICALS

  • The chemical reaction between all points of the Fire Triangle.

  • Triangle sometimes called the fire tetrahedron.


Classes of fires
Classes of fires

  • Alpha: Ash producing fire (paper, clothing, PEOPLE/Screaming Alpha))

  • Bravo: Oil/fuel fire (JP5, DFM, lube oil)

  • Charlie: Electrical fire (motors, generators)

  • Delta: BAD, Metal fire (magnesium, phosphorus, etc)


Colors of smoke
Colors of smoke

  • Alpha: White, greyish

  • Bravo: BLACK, very BLACK and thick

  • Charlie: Colorful, blueish, orange, purple, red, etc. What ever coloring of wires or type of metal the wire is made of.

  • Delta: VERY bright, white or clearish


Extinguishing agents
Extinguishing agents

  • Water

  • CO2

  • AFFF (Aqueous Film Forming Foam) 94/6

  • PKP (Purple Potassium Powder)

  • HALON 1301

  • APC (Aqueous Potassium Carbonate) – Grease Fires in the Galley

  • Jettison


What agents to use
What agents to use?

  • Alpha: Any, best is water. – Fire main, sprinkler systems

  • Bravo: AFFF, PKP, APC. AFFF is best.

  • Charlie: CO2, water (fog!), PKP. CO 2 is best, first secure power.

  • Delta: Solid stream, fog or jettison



SCBA

  • Self Contained Breathing Apparatus

    • All Ships

    • All fire party members

  • 30-45 minutes of HP air

  • Positive Pressure

  • Worn on back




EEBD

  • Emergency Escape Breathing Apparatus

    • Scott & Ocenco

    • Min 10 min of air

    • Escape Only!!

    • 100% Oxygen – stay away from flames after taking it off


Installed systems
Installed Systems

  • FIREMAIN

  • HALON 1301

  • AFFF

  • CO2


Firemain
FIREMAIN

  • Water from the sea

  • Types;

    • Single main

    • Horizontal loop

    • Vertical loop

    • Composite versions


Flooding
Flooding?

  • Second Biggest Danger on Ship

    • Watertight Integrity CRITICAL

    • Pipe patching, plugs, etc



CBR

  • Chemical, Biological, Radiological defense

    • Newest, and most worrisome threat to ships and soldiers

    • Ships have advanced methods of prep


Mcu 2p
MCU-2P

  • Standard Navy Gas Mask

    • Utilizes charcoal filter

    • Filters all agents

    • Can drink H2O through fitting

    • Must replace filter


ACPG

  • Advanced Chemical Protection Garment

    • MOPP (Mission Oriented Protective Posture) Level 3 and 4


What does a midn need to know on a ship
What does a MIDN need to know on a ship

  • HOW TO EGRESS!

  • General Quarters

  • In the event of a fire:

    • Call it in (type of fire, who, what space)

    • Extinguish if possible

    • Contain

    • ESCAPE!



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