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dcase GFE > GFE > Flashcards

GFE Flashcards

1
Q

WHAT PUB WOULD YOU USE FOR GFE

A

NSTM 074 VOL3

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2
Q

WHAT PUB WOULD YOU USE FOR POLLUTION CONTROL

A

NSTM 593

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3
Q

WHAT PUB WOULD YOU USE FOR WELDING

A

NSTM 074 VOL1

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4
Q

WHERE CAN YOU FIND PEL AND IDLH LIMIT VALUES

A

NSTM 074 VOL3 APPENDIX G

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5
Q

WHERE CAN YOU FIND A LIST OF DREAGER TUBES

A

NSTM 074 VOL3 APPENDIX L

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6
Q

WHERE CAN YOU FIND GFE NOTE BOOK

A

NSTM 074 VOL3 APPENDIX C

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7
Q

WHAT PUB WOULD YOU USE FOR SAFETY

A

OPNAV 5100.19

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8
Q

WHAT PUB WOULD USE SHIP PRESERVATION

A

NSTM 631

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9
Q

WHERE CAN YOU FIND INFORMATION ABOUT HOT WORK NEAR AMUNITON MAGAZINES

A

NAVSEA OP4

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10
Q

WHERE AND AT WHAT DISTANCE CAN YOU WELD ON A MAGAZINE?

A

ON ADJACENT SIDES ONLY AT A DISTANCE OF 5 FT WITH AMMUNITION IN THE MAGAZINE

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11
Q

WHAT DC PLATE HAS YOUR EHAUST SYSTEM ON IT

A

PLATE #10

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12
Q

WHAT DC PLATE HAS YOU SUPPLY AND RECIR ON IT

A

PLATE #9

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13
Q

WHAT ARE THE TWO PURPOSES OF GAS FREE ENGINEERING

A
  1. PROVIDE A SAFE WORKING AND LIVING ENVIRONMENT.

2. PROVIDE HAZARD AWARENESS TRAINING OF A GENERAL NATURE FOR THE CREW

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14
Q

WHEN CAN A GFE CERTIFY A SPACE FOR NON-SHIPS FORCE UNIFORMED PERSONNEL

A

WHILE IN PORT FOR CONDUCTING ASSESSMENTS, CONDUCTING INSPECTIONS, DEVELOPING REPAIR WORK PAKAGES

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15
Q

EXISTING CONDITONS ON A GFE CHIT

A

NOT SAFE FOR PERSONNEL/NOT SAFE FOR HOT WORK
NOT SAFE FOR PERSONNEL WITHOUT PROTECTION/NOT SAFE FOR HOT WORK,
SAFE FOR PERSONNEL/ NOT SAFE FOR HOT WORK,
SAFE FOR PERSONNEL/SAFE FOR HOT WORK,
NOT SAFE FOR PERSONNEL INSIDE/ SAFE FOR HOT WORK OUTSIDE.

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16
Q

REQUIREMENTS FOR NOT SAFE FOR PERSONNEL/NOT SAFE FOR HOT WORK

A

OXYGEN DEFICIENT OR RICH, IDLH ATMOSPHERE, DANGER OF FIRE OR EXPLOSION IN PRESENCE OF HOT WORK.

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17
Q

REQUIREMENTS FOR NOT SAFE FOR PERSONNEL WITHOUT PROTECTION/NOT SAFE FOR HOT WORK

A

PROVIDES PROVISIONAL ENTRY INTO SPACE, TOXICS EXCEED PEL OR UNITY, BUT LESS THAN IDLH, EXPLOSIVES >0% BUT <10% * HOT WORK PROHIBITED OR NOT REQUESTED

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18
Q

REQUIREMENTS FOR SAFE FOR PERSONNEL/ NOT SAFE FOR HOT WORK

A

TOXICS BELOW PEL, SUFFICIENT OXYGEN, DANGER OF EXPLOSION OR EXCESSIVE TOXICANTS IN PRESENCE OF HOT WORK, OR HOT WORK NOT REQUESTED.

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19
Q

REQUIREMENTS FOR SAFE FOR PERSONNEL/ SAFE FOR HOT WORK

A

OXYGEN >19.5% & <22.5%, TOXICS BELOW PEL, ALL FLAMMABLES REMOVED, BOUNDARY SPACE PROTECTED.

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20
Q

REQUIREMENTS FOR NOT SAFE PERSONNEL INSIDE/ SAFE FOR HOT WORK OUTSIDE.

A

THE TANK OR SPACE HAS BEEN PRESSED UP WITH LIQUID OF INERTED WITH NITROGEN, THIS IS TYPICALLY USED IN EMERGENCY SITUATIONS

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21
Q

WHEN IS THE CO’S SIGNATURE REQUIRED ON A GFE CHIT

A

Gas freeing IDLH space
Gas freeing for civilian contractors
Gas freeing for foreigner overseas
Hot Work adjacent to Magazines 
(never above or within 5 feet)

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22
Q

REASONS FOR RETESTING A SPACE

A 
Entry or Work Delay 
Expiration (8 Hours)
Hazards Detected
Ship Movement
Securing Ventilation
New Operations or Materials
Closing Space Or Temporary Shutdown
Temperature Increase
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23
Q

WHERE SHALL THE GFE CHITS BE POSTED

A 
All accesses to the space
GFE Files (original)
Division requesting services
DC Central
Officer of the Deck (Inport or Underway)
  • Must be Kept for 1 yr Minimum
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24
Q

WHAT Two documents establish GFE procedures for the ship.

A

Gas Free Instruction

Toxic Gas Bill

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25
Q

WHO DEVELOPS THE GFE INSTRUCTION, AND TOXIC GAS BILL

A

DCA

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26
Q

WHAT IS THE GFE INSTRUCTION

A

Details shipboard policies for NORMAL GAS FREE EVOLUTIONS

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27
Q

WHAT IS THE TOXIC GAS BILL

A

Establishes procedures for UNPLANNED OR ACCELERATED GFE EVOLUTIONS

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28
Q

How often must All Hands receive

training in Hazard Awareness?

A

Upon Reporting & Annually

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29
Q

WHERE CAN GFE TRAINING REQUIREMENTS BE FOUND

A

NSTM 074 Vol 3 App. B

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30
Q

How Often is the Gas Free Program Audited and who is the Inspector?

A

Annually

Safety Officer

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31
Q

REQUIREMENTS FOR GFE

A 
1 per Ship
 E-7 or above (USN) 
 E-6 or above (USCG)
 CO’s Designation Letter
 Valid CPR Quals
 Formal School
 40 Hours Practical Work
Emergency Rescue Training
32
Q

REQUIREMENTS FOR GFEA

A 
1 per Ship (CO optional)
 E-6 or Above
 CO’s Designation Letter
 Valid CPR Quals
 Formal School
 40 Hours Practical Work
Emergency Rescue Training
33
Q

C.O. May Waive Requirement for 40 Hours of Practical Training in Writing if:

A

Candidate Has Graduated from Approved Training Within Past 36 Months

Unit Does Not Have Qualified GFE Onboard

34
Q

REQUIREMENTS FOR GFEPO

A 
1 per IET, DCRS and ASFP (minimum)
 E-4 or above 
 CO’s Designation Letter
Valid CPR Quals 
Formal School
PQS NAVEDTRA 43704 (316)
Emergency Rescue Training
35
Q

GFE & GFEA DUTIES & RESPONSIBILITIES

A

ensure gfe equipment is maintained and calibrated
ensure proper training and training aids are available
maintain gfe documents
certify spaces safe for hot and cold work
develop and maintain GFE notebook

36
Q

AFLOAT GFE

A

Conduct Hot work and Cold work services for all military personnel.

Conduct only Cold work services for DOD Civilian personnel aboard ship with some exceptions when outside U.S territorial waters.

37
Q

INPORT GFE SHIPS FORCE PERSONNEL

A

Conduct limited gas free services for all ship’s force personnel.

Are authorized to act as a Navy Competent Person with the written approval of the Navy Maintenance Facility GFE at the Maintenance Facility (USCG must meet additional education requirements).

38
Q

Afloat GFE (Pier Side) Authority Limits

A

The Afloat GFE must utilize an NMF GFE or Marine Chemist for:Hot work in or immediately adjacent to spaces that contain or last contained combustible or flammable liquids or gases.
Any work being conducted by dod civilians.

39
Q

WHAT IS A CONFINED SPACE

A

Restricted openings for entry/exit
Ventilation not expected to remove hazardous contaminants
May contain or produce hazardous contaminants or oxygen deficiencies or enrichment
Not intended for human entry/occupancy on a routine basis

40
Q

Examples of CONFINED SPACES

A 
Tanks
Voids
Double bottoms
Interior machinery (boilers, condensers, oil sumps)
Non-ventilated storerooms
Ventilation &amp; Exhaust ducts
41
Q

PERMISSIBLE EXPOSURE LIMIT (PEL)

A

The maximum permissible concentration of a toxic agent to which personnel may be exposed.

42
Q

IMMEDIATELY DANGEROUS TO LIFE OR HEALTH (IDLH)

A

Any atmosphere that meets one or more of the following conditions
Oxygen content < 19.5 or > 22%
Flammable vapors at a concentration of ≥ 10% of the LEL
Presence of toxicants above NIOSH IDLH limits

43
Q

RESPIRATOR REQUIREMENTS FOR IDLH

A

Supplied Air Respirator in pressure demand mode (SCBA) or
Supplied Air Respirator (SAR)w/
15 minute backup Air (SCBA)
Required

44
Q

WHAT ARE GFE TESTING FOR

A

OXYGEN
EXPLOSIVE
TOXIC

45
Q

CARBON MONOXIDE (CO)

A 
COLORLESS, ODORLESS, TASTELESS
FLAMMABLE
LIGHTER THAN AIR
SUBTLE ASPHYXIANT
POST-FIRE, WELDING, PAINT DRYING
46
Q

HYDROGEN SULFIDE H2S

A 
COLORLESS, WITH ROTTEN EGG SMELL
FLAMMABLE
HEAVIER THAN AIR
ATTACKS NERVES
FIREMAIN, AFFF, SEWAGE SPACE
47
Q

CARBON DIOXIDE CO2

A 
COLORLESS, ODORLESS,TASTELESS, INERT
NOT FLAMMABLE
HEAVIER THAN AIR
BLUNT ASPHYXIANT
PORTABLE CO2, OR CO2 FLOODING SYTEMS
48
Q

METHANE CH4

A 
COLORLESS, ODORLESS
FLAMMABLE
LIGHTER THAN AIR
NO PHYSICAL EFFECTS
AEROBIC DECAY, CHT SYSTEMS
49
Q

AMMONIA NH3

A 
PUNGENT ODOR
FLAMMABLE
LIGHTER THAN AIR
CHOKING HAZARD
CLEANING PRODUCTS, URINALS
50
Q

Toxic Materials Enter Body 3 Ways

A

Ingestion (eating, drinking)

Absorption (touching)

Inhalation (breathing)

51
Q

Types of air purifying respirators

A

Mechanical - protection from particles (dust, fumes, fog)

Chemical - vapors and gases in low concentrations

52
Q

types of supplied air respirators

A

Air-line

Self-Contained Breathing Apparatus (SCBA)

53
Q

IDLH ENTRY

A

Entry into IDLH spaces is authorized only under emergency conditions.

Only the CO can authorize opening and entry into IDLH spaces.

54
Q

IDLH RESPIRATORY 
REQUIREMENTS

A

Full facepiece, pressure demand self-contained breathing apparatus (Fire Fighting SCBA)
Full face piece pressure demand air-line respirator equipped with an auxiliary self-contained air supply having a minimum rated service life of 15 minutes (SAR/SCBA)

55
Q

ADVANTAGES OF SAR W/ SCBA 
OVER SCBA

A

ADVANTAGES OF SAR W/ SCBA 
OVER SCBA

56
Q

VENTILATION PRIOR TO ENTRY

A

“There will be a minimum of two air changes prior to entry into a confined space unless installed ventilation is in operation”

				      NSTM 074-21.3
57
Q

TYPES OF VENTILATION

A

GENERAL
LOCAL EXHAUST
DILUTION

58
Q

GENERAL VENTILATION

A

Provides uncontaminated air for breathing or general comfort
Supply or Exhaust

ONE COMPLETE AIR CHANGE EVERY 3 MINUTES

59
Q

LOCAL EXHAUST VENTILATION

A

Captures contaminants as they are generated
Draws them through exhaust ductwork intake positioned 6-10 inches from work generating contaminantsEffective for welding and solvent cleaning
Exhaust only
100 Linear FPM

60
Q

DILUTION VENTILATION

A

Portable, locally rigged exhaust ventilation
Replaces contaminated air with fresh air, diluting concentration
Used to control flammable, O2 deficient/enriched areas
SAR may be required when toxics are being generated

61
Q

DILUTION VENTILATION VOLUME FORMULA (Welding)

A

One complete air change every 3 minutes, but not less than:
2,000 cubic feet per minute (ft3 /min) per welder, if a 5/32 inch or 3/16 inch rod is used.
3,500 ft3 /min per welder, if a 1/4 inch rod is used.
4,500 ft3 /min per welder, if a 3/8 inch rod is used.

62
Q

SHORT CIRCUITING

A

Source of make up air is too close to the exhaust trunk
Effective volume ventilated is insufficient
Remedy?
Place trunk further into space

63
Q

RECIRCULATION OF CONTAMINATED AIR

A

Exhaust discharge is drawn back into the make-up air

Drawn back into space

64
Q

hot work near INSULATION

A

Remove Insulation 12 inches from the hot work Area Wet Down Non-Removable Insulation and Cover with Fire Retardant Cloth
Station Fire Watch with a Charged 1 1/2” Hose

65
Q

hot work near ammunition or explosives

A

CO must approve in writing any Hot Work in adjacent spaces
No Hot Work in any space containing ammunition
Remove ammunition prior to availability or overhaul
Apply 5 ft rule for adjacent spaces

66
Q

Which Class of Hot Work ALWAYS requires a Fire Watch

A

Class I : High Energy Sparks

67
Q

Flammables Must be Moved How Far From Work Site

A

35 Ft

68
Q

Surface Coatings Should be Cleared Away How Many Inches

A

4 Inches

69
Q

methods for cleaning tanks

A

water wash, chemical, butterworthing,steam, biological

70
Q

INERTING

A

May be used when hot work is required and normal cleaning and gas freeing is impossible ”emergency use only”
Not for use with gasoline tanks
Totally isolate tank from surrounding spaces including common vents and interconnecting pipingGases used:
Co2 (heavier than air)
Dry N2 (lighter than air & preferred medium)
Maintain <1% o2 concentration
Work area outside space shall be certified and maintained as “safe for hot work”
Dispose of displaced vapor and inerting medium safely

71
Q

pressing up

A 
Emergency use only
Fill with water
Allow gases to vent
Maintain less than 1% oxygen 
Do not conduct hot work within 12 inches below water level
72
Q

STEAM BLANKETING

A

Emergency-use only
Complete same as inerting
Monitor temperature of tank wall or boundaries (230 deg max)
Start 3 hours prior to hot work

73
Q

What is the preferred medium for inerting?

A

Dry Nitrogen

74
Q

accuro dreager

A

measures 100 cubic cm per stroke, to test squeeze and insert unbroken tube in the end for 15 mins

75
Q

five first aid priorites

A 
cab's
airway
breathing
circulation
control bleeding
treat for shock
treat for broken bones
get casualty to medical
76
Q

who makes up the primary rescue team

A

investigator,rescuer,

77
Q

4 types of stretchers

A

stokes litter
miller board
army litter
reeve sleeve2

dcase GFE (1 decks)

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