Gas Free Engineering

STUDY
PLAY

Terms in this set (...)

Provide a safe working and loving environment,
Provide general hazard awareness training
Purpose of the Gas Free program (2)
Hydrogen sulfide
Smells like rotten eggs
Ammonia
Pungent smell (stale urine)
Carbon monoxide,
Carbon dioxide,
Methane
No odor (3 gases)
H2S,
CO2
Heavier than air (2 gases)
CO,
Ammonia,
CH4
Lighter than air (3 gases)
H2S,
CO,
Ammonia,
CH4
Flammable gases (4) detected by 6-gas analyzer or Dräger tubes
CO2
Nonflammable gas detected by 6-gas analyzer or Dräger tubes
Anaerobic decay,
CHT,
AFFF
Sources of H2S (3)
Combustion by-product,
Drying paint
Sources of CO (2)
Cleaning gear,
Urinals
Sources of ammonia (2)
Combustion, Firefighting systems
Sources of CO2 (2)
Aerobic decay,
CHT
Sources of methane (2)
GFE file (original),
DC Central,
Officer of the Deck,
Requesting division,
All accesses to space
Distribution locations of gas-free certificates (5)
1 year
Minimum time original gas-free certificates must be maintained in GFE file
E-7 or above,
CO designation,
Annual CPR verification,
Formal school,
40 hours OJT
Rank, training and admin requirements of the ship's Gas Free Engineer (5)
E-6 or above,
CO designation,
Annual CPR verification,
Formal school
Rank, training and admin requirements of the ship's Gas Free Engineering Assistant (4)
1 per IET,
E-4 or above,
CO designation,
Annual CPR verification,
Formal school,
PQS (43704-316)
Manning, rank, training and admin requirements of the ship's Gas Free Engineering Petty Officers (6)
Flash point
Minimum temperature at which sufficient vapors are released to form an ignitable mixture
Fire point
Temperature at which sufficient vapors are released to support continuous combustion once ignited
Ignition temperature
Minimum temperature at which self-sustained combustion occurs without external ignition source
Remove ammo prior to overhaul,
No hot work in space containing ammo,
CO approval in writing,
5-ft rule for adjacent spaces
Rules concerning ammunition and explosives (4)
5 feet
No hot work allowed within this distance of a loaded magazine
Additive effects
Cumulative effects of more than one toxic substance may be above unity (1.0) even though individual PELs not exceeded
Concentration divided by PEL or TLV (the lesser), added for each substance, totaling less than or greater than 1.0
Additive effects equation
NSTM 593,
Section 4
Publication for Pollution Control/section for Sewage
NSTM 631,
Section 2
Publication for Preservation of Ships in Service/section for Safety Information
NAVSEA OP 4,
Chapter 2
Publication for Ammunition Afloat/chapter for General Regulations
NSTM 074,
Volume 3
Publication for Gas Free Engineering
NSTM 074,
Volume 1
Publication for Welding
Appendix C
NSTM 074 Volume 3 section containing sample GFE Notebook
Appendix G
NSTM 074 Volume 3 section containing permissible exposure limits (PEL)
NIOSH Pocket Guide
Publication for toxic substance characteristics, exposure limits etc, small book similar to MSDS
IDLH environment
When is a supplied air respirator with 15-minute backup SCBA required?
Above PEL, below IDLH environment
When is respiratory protection mandatory?
Below PEL
When is respiratory protection optional?
Chemical,
Butterworthing,
Stream,
Water wash,
Biological
Types of tank cleaning (5)
Steam
Type of tank cleaning that can't be used on plastic- or epoxy-coated tanks such as JP5, and can't exceed 230°F
Water wash
Most common type of tank cleaning involving continuous dewatering (mucking) and wiping with rags
Chemical
Most expensive type of tank cleaning, for touch jobs, involving hazardous waste and thorough rinsing
Butterworthing
Mechanical method of tank cleaning using high-pressure hot water, requiring constant stripping and usually done on oilers
Biological
Type of tank cleaning used for CHT and fuel tanks, involving cold water, dump-and-flush after 48 hours, and 4-hour chlorine sanitization
Inerting
Process of removing oxygen and flammable gases from a tank using inert gas such as nitrogen, enabling hot work in adjacent spaces
Pressing up
Process of removing oxygen and flammable substances from a tank using water, enabling hot work in adjacent spaces
Carbon dioxide,
Nitrogen
Gases used for inerting (2), which would likely only be done in port, based on absolute necessity
Primary/Reserve Air Supply Pack
What does PASP/RASP stand for?
2 PASP,
2 RASP,
4 SCBA
According to NSTM 074 Volume 3 Para. 074-25.3, what supplied air equipment is required at the scene for emergency rescue?
Safety harnesses with attached lines,
Communication devices,
Stretchers and first aid kit,
Hosting equipment (more than 5 ft deep),
Gas analyzer,
Proper PPE
According to NSTM 074 Volume 3 Para. 074-25.3, what additional equipment is required for emergency rescue?
55 minutes
How much air (in terms of time) is available in the PASP/RASP bottles?
15 minutes
How much air (in terms of time) is available in the backup SAR-SCBA bottles?
Longer stay time,
15-minute backup,
Ease of rescue,
Ease of egress
(follow lines in and out)
Name advantages of SAR-SCBA over standard pack-worn SCBA (4)
Investigator,
Rescuer
Primary Emergency Rescue Team members (2)
Initial contact,
Assessment,
Safe removal
Purpose of Primary Emergency Rescue Team (3)
Determined by GFE,
Minimum 3
How many members on Secondary Emergency Rescue Team?
Don respiratory protection,
Stand by to assist
Purpose of Secondary Emergency Rescue Team (2)
1 per rescuer
How many Emergency Rescue Attendants?
Help don gear,
Tend safety lines/hoist,
Tend air hoses,
Maintain communications
Purpose of Emergency Rescue Attendants (4)
Enter or certify IDLH space,
Certify for civilians,
Certify for foreigner overseas,
Hot with within 5 ft of magazine
CO signature requirements for GFE (4)
No flammable material present or generated,
No toxic material present or generated,
Used for clean breathing air and comfort
Conditions for blowing air (3)
Control toxic and flammable hazards,
Run continuously,
Dilution ventilation for adjacent spaces
Ventilation requirements (2)
Ensure vapors remain below 10% of LEL
Purpose of dilution ventilation
3 minutes
Air change interval for general and dilution ventilation
6 to 10 inches from work site
Position of local exhaust relative to work producing contaminants
100 ft per min
Required airflow of farthest work station from local exhaust
Oxygen,
Explosives,
Toxicants
Gas Free Engineers test for these
Before each day's use
Periodicity of gas analyzer bump tests
Ingestion,
Inhalation,
Absorption
Ways for a toxicant to enter the body (3)
Appendix C-29
Location of IDLH checklist in NSTM 074 Volume 3
CO2,
CO,
Hydrogen chloride,
Hydrogen cyanide,
Hydrocarbons
Toxic tests required in post-fire atmosphere (5)
Oxygen level acceptable,
Toxicants below PEL,
Flammable material removed,
Boundary spaces protected
Criteria for Safe for Personnel/Safe for Hot Work (4)
YOU MIGHT ALSO LIKE...
STUDY GUIDE