Damage Control > Basic_DC > Flashcards

Basic_DC Flashcards

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1
Q

What references form the basis of Basic Damage Control?

A

Repair Party Manual (RPM), NWP 3-20.31 Surface Ship Survivability, NSTM 079 Vol. 2 Practical Damage Control, NSTM 555 Firefighting, NSTM 470 Shipboard BM/CW Defense, DC Book and Plates.

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2
Q

How many repair lockers are onboard USS Essex?

A

10 total; 7 on main deck, 3 on 02 level.

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3
Q

Where are the repair lockers located?

A

1H Mid hangar bay port, 2M next to Post Office stbd, 2F O2 level fwd gym, 3 Aft hangar bay stbd by AFFF Stn 5, 4 Port mess decks scullery, 5A Main deck by CO’s ladderwell port, 5M Mess decks stbd, 6/7F O2 level outside DCA stateroom stbd, 6/7A past high knee knocker port, 2A near AFFF Stn 2 port.

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4
Q

How many AFFF stations are onboard and where?

A

6 total: 1 FWD STBD outside Hazmat, 2 by Repair 2A, 3 I-10 P-way, 4 CHAPS P-way, 5 Aft hangar bay by Repair 3, 6 Mid hangar bay by 1H.

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5
Q

Who is the DCA?

A

Damage Control Assistant, currently CDR Alvarado.

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6
Q

What is the role of the Fire Marshal?

A

Assistant to CHENG/DCA; aids training and firefighting; leads Rapid Response as Scene Leader until relieved.

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7
Q

Difference between Ship’s Fire Marshal and Duty Fire Marshal?

A

Ship’s Fire Marshal: overall ship protection. Duty Fire Marshal: IET Fire Marshal while in port.

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8
Q

What does the Scene Leader do?

A

In charge of firefighting at the scene.

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9
Q

What does the Team Leader do?

A

Leads firefighting team at source, keeps team low, constant comms with Scene Leader.

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10
Q

What are investigator requirements?

A

Set/manned boundaries within 15 min; rove in pairs; one reports, one fights; if comms lost—one fights, one reports; rove primary/secondary boundaries.

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11
Q

What is expected of nozzleman and hoseman?

A

Nozzleman is hardest working, rotates frequently to manage heat stress. Hosemen support advancement and control.

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12
Q

What is the RPE’s job?

A

Secures electrical power per Scene Leader; checks for electrical damage; must isolate before entry into flooding casualty.

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13
Q

Who can be messenger and what comms are used?

A

Anyone; comms by sound-powered phone, radio, J-Dial, message blanks.

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14
Q

What does the Accessman do?

A

Opens doors, hatches, scuttles, clears routes as directed by Team Leader.

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15
Q

What do Boundarymen do?

A

Set fire boundaries per RPL/Fire Marshal; secure fittings/doors; monitored and report to investigators.

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16
Q

Who makes up Rapid Response?

A

In-port: Fire Marshal, Sounding & Security, RPE, Fire Safety Watch. At-sea: Flying Squad (HT/DC/MR).

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17
Q

What is the IET?

A

In-Port Emergency Team; responds to casualties in port during duty days; multi-rate sailors manning lockers.

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18
Q

What is the Flying Squad?

A

At-sea fire party; R-Div rates respond, assess extent, take initial actions.

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19
Q

What does the Dewatering team do?

A

Rigs, operates, restows dewatering equipment as directed.

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20
Q

What does the Desmoking team do?

A

Rigs, operates, restows desmoking equipment as directed.

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21
Q

Define X-ray condition.

A

No danger; X fittings closed at all times.

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22
Q

Define Yoke condition.

A

Normal sea/after hours; X and Y fittings secured.

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23
Q

Define Zebra condition.

A

Set during GQ; X, Y, and Z fittings secured.

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24
Q

What are Circle X and Circle Y?

A

May be opened without permission for inspections or vital space access; immediately re-secured.

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25
What is Circle Zebra?
Used during prolonged Zebra to allow feeding/sanitary space use; CO authorization required.
26
What is Dog Zebra?
Secured during Condition Zebra/darken ship; fittings on decks/bulkheads exposed to weather to prevent light escape.
27
What is William vs Circle William?
William normally open, secured only for DC or repair. Circle William = ventilation access, always open unless CBR/DC requires securing.
28
What is the DC Closure Log?
Log of all fittings open in violation of material condition; responsibility of DCC Supervisor, S&S, OOD, DCA, all hands; CO controls violations. Fittings max open 24 hrs; logged in black ball pen.
29
What is the OOC Log?
List of Out of Commission DC fittings; prevents relogging; tracked by DCA.
30
What is DC symbology used for?
Shorthand to communicate/plot damage; plotted on subdivision plates to show survivability status.
31
What comms media are used?
Sound-powered phone, Hydra radio, J-Dial, message blanks.
32
What are primary sound-powered circuits?
2JZ/NET80 DCC+all lockers, 3JZ DCRS1, 4JZ/NET81 DCRS2, 5JZ/NET82 DCRS3, 6JZ/NET85 DCRS4, 7JZ/NET86 DCRS5, 8JZ Crash & Salvage.
33
What is an EEBD?
Emergency Escape Breathing Device; escape only, not firefighting.
34
What is SCBA rated for?
4,500 psig air; 30 or 45 min; 2nd stage regulator; alarms at ~1,125 psig/25%; don’t panic—execute egress/relief.
35
How many SCBA charging stations on Essex?
5 stations.
36
What is FFE?
Firefighter Ensemble: FPG, hood, helmet, gloves, boots.
37
What is TIC?
Thermal Imaging Camera; smaller than NFTI; laser pointer; zoom; locates heat, fire seat, boundaries, hotspots, guides rescuers.
38
What is FES?
Firefighter Extraction System; lifts/removes downed firefighters from escape trunks.
39
What is LSS?
Ladder Safety System; fall protection on escape trunks (main/aux MMR).
40
What is PECU?
Portable Exothermic Cutting Unit; cuts steel, aluminum, stainless, cast iron, insulated piping; 6–19 in penetration.
41
What are most important fire vs flooding boundaries?
Fire: top boundary; Flooding: bottom boundary; set all sides.
42
What are 1?-in nozzle patterns?
Solid stream (flush), narrow V, wide V.
43
What are fire growth stages?
Incipient, Growth, Flashover (~1100 °F), Fully Developed, Decay.
44
What is fire tetrahedron?
Oxygen, Heat, Fuel, Chain Reaction.
45
What are 4 fire classes & agents?
Alpha (wood/paper): water/AFFF. Bravo (fuels): AFFF/PKP. Charlie (electrical): CO?, de-energize, water wide V. Delta (metals): jettison or fog water.
46
What is Halon 1301?
Colorless, odorless, non-conductive; 14 spaces on Essex (machinery); 30 s delay unmanned, 60 s delay manned.
47
Describe AFFF station system.
94% seawater/6% concentrate; 2,000 gal Cu-Ni tank; 2 pumps (65 gpm @ 175 psi); Master SOPV starts pump, opens hycheck/powercheck; Service SOPV routes foam; 50 ft hoses w/ vari-nozzle; piping colors: blue/red concentrate, red/green mixture, red firemain; H2S hazard (rotten egg smell); ventilation must be operating.
48
Where are salt water sprinklers located?
Dry in berthing; wet type on 02 level.
49
How many fresh water hose reels?
9 total; 8 on 02 level, 1 on 05 level; all 50 ft hose.
50
What desmoking equipment is used?
RAM FAN 2000 (2,000 CFM, firemain-driven); Box Fan (3,200 CFM, electric).
51
Specs of CO2 extinguisher?
15 lb CO2, 4–6 ft range, 40 s duration, ground to deck; hazards: frostbite, asphyxiation, static electricity.
52
Specs of AFFF extinguisher?
2.5 gal premix, 15 ft decreasing range, ~60 s duration, gauge in green.
53
Specs of PKP extinguisher?
18 lb: 19 ft, 27 lb: 21 ft, both 10–11 s duration; remove hose & depress plunger to fire.
54
Specs of P-100?
164 lb, 2-man lift, 2.75 hr op with 1.45 gal fuel, 100 gpm @ 83 psi with 20-ft suction lift; primarily firefighting, can dewater.
55
How many fire pumps onboard?
12 total: 8 electric @ 1000 gpm (FWD/AFT rooms), 4 steam @ 2000 gpm (2 per MMR).
56
Installed dewatering?
7 main drainage eductors, 22 secondary drainage, 3 types of portable eductors, 2 portable pumps.
57
Specs of S-Type eductor?
1½-in supply, 2½-in discharge, has foot valve/strainer.
58
Specs of Peri-Jet?
2½-in supply, 4-in discharge, no strainer, passes small debris.
59
ESP specs?
Electric Submersible Pump; 440 V; 140 gpm @ 70-ft head, 180 gpm @ 50-ft head; electricians only; can run tandem.
60
What are four pipe patches & limits?
Jubilee: up to 294 psi, multiple sizes, no source securing, fastest. Banding: up to 150 psi. Soft patch: softwood/canvas/oakum/marline, up to 150 psi. EWARP: water-activated fiberglass, not for potable/fuel/high steam; up to 150 psi/<300 °F.
61
What are shoring types?
Wood (fire-resistant treated, 16–18 ft stored, cut to fit); Metal (3–5 ft 20k collapsed/12k extended, 6–11 ft 20k collapsed/6k extended; weldable).
62
What are shoring configs?
I-type strongest, K-type weakest, H-type non-anchoring.
63
What defines a tank vs void?
Tanks: hold liquids (ballast, fuel, water). Voids: empty, unmanned compartments.
64
What hazards exist in tanks/voids?
Oxygen deficiency (<19.5%), O2 enrichment (>22%), flammable/toxic atmospheres.
65
Who certifies tanks/voids?
Gas Free Engineer (DCA) or GFEA (E-6+); CO must authorize opening; Gas Free Certificate posted.
66
What is Cold Work?
Painting; requires CW chit for >1 gal; chit valid 8 hrs.
67
What is Hot Work?
Tools making sparks/heat >400 °F (welding, grinding, needle gunning). Requires fire watch within 50 ft, PPE, CO2, 30 min after completion.
68
What must Hazmat have?
Safety Data Sheet (SDS).
69
What references cover CBR defense?
NSTM 470 and 070.
70
What are MOPP 0–4?
0: inventory gear, kits, stations. 1: suspected threat, issue gear/mask. 2: possible threat, mask carried, CMWD/alarm test, prep stations. 3: probable threat, GQ, post monitors, don JSLIST/boots, intermittent CMWD. 4: imminent threat, mask on, continuous CMWD 15 min.
71
What is JSLIST?
Joint Service Lightweight Integrated Suit Technology; outer shell repels water/oil, inner carbon liner absorbs agents.
72
What is CMWD?
Countermeasure Washdown; 15 min continuous firemain wash to remove contaminants.
73
What is CPS?
Collective Protection System; filters/pressurizes to provide total or limited protection zones.
74
What is decon station layout?
Gross bootwash, outer undress (3 stations), inner undress (1), shower (1), purge locker (1).
75
What are chemical agents?
Blood, Blister, Nerve, Choking.
76
What is M-9 vs M-8 paper?
M-9 detects but doesn’t ID; M-8 IDs liquid agents: red=blister, yellow=nerve, green=V nerve.
77
What is IPDS-LR?
Improved Point Detection System-Lifecycle Replacement; detects blood, nerve, blister vapors real-time.
78
What are ship/personnel decon agents?
HTH solution/deck scrub for ship; RSDL lotion for personnel.
79
What are biological agents?
Pathogens (microorganisms) and toxins (biological chemical compounds).
80
What are nuclear burst types?
Underwater, underground, surface, air, high altitude (>100k ft).
81
What radiation exposures exist?
Alpha, Beta, Gamma, Neutron.
Damage Control
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