DCASE UNIT 7 GFE DEC 2017

Auto-Ignition

Flashpoint

Fire Point

• Detect OET.
• 1. Oxygen (19.5%2. Explosives (<10% LEL)
• 3. Toxins (Above NIOSH IDLH levels)
• Hydrogen Sulfide 10 PPM
• Carbon Monoxide 35 PPM

• Upon reporting and annually thereafter.
• What instruction or bill outlines the requirements to be met in the event of an emergency GFE evolution?
• Toxic Gas Bill

• 1. To ensure a safe working and living environment for the crew
• 2. To provide an all hands hazard awareness training program

• 1. Annually
• 2. Safety Officer

• 1. Annual Verification of CPR
• 2. Emergency Rescue Drill & Documented
• 3. Engaged in GFE During the Year Issued 10 Certificates.
• a. If Above Has Not Been Satisfied, Complete 5 Gas Free Evolutions Under Supervision of a Certified GFE.
• b. If Above Is Not Possible, Complete an Oral/Written Exam & a Practical Exercise.

• 1. Graduated Formal School Within 36 months of reporting.
• 2. Unit does not have a qualified GFE aboard.
• 3. Service member is a USCG Engineering Petty Officer.

• 1. Original - Gas Free Log (Retain 1 year)
• 2. OOD (QD or Bridge)
• 3. All accesses to the space
• 4. Division Requesting the Service
• 5. DC Central

• 1. 19.5% < O2 < 22 .0%
• 2. Toxins less than PEL
• 3. All Flammables removed (LEL = 0)
• 4. All boundary spaces protected

• 1. 8 hours
• 2. Two times for 8 hours each

• 1. Gas freeing IDLH space
• 2. Gas freeing for civilian contractors
• 3. Gas freeing for foreigner overseas
• 4. Hot Work adjacent to Magazines (never above or within 5 feet)

• 1. Oxygen deficient or rich
• 2. IDLH Atmosphere
• 3. Danger of Fire or Explosion in Presence of Hotwork

• 1. Provides provisional entry into space.
• 2. Toxics exceed PEL or Unity, but less than IDLH
• 3. Explosives >0% and <10%
• 4. Hot work prohibited or not requested
• 5. Note: Hot work is prohibited in the space or in the boundary spaces for which a provisional certificate is issued.

• 1. Toxics below PEL
• 2. Sufficient oxygen
• 3. Danger of explosion or excessive toxicants in presence of hot work or hot work not requested

• 1. Pressed up or Inerted
• 2. This is an emergency procedure and not one used routinely

• 1. Extreme emergency (failure to perform GFE services would increase liability).
• 2. CO permission is required.

• 1. For QA (CO retains right to have S/F conduct gas free regardless).
• 2. When in a private shipyard (IAW MOA).

• 1. Outside US Waters.
• 2. No Shore Maritime GFE available.
• 3. No local Competent Person available.

• 1. Both GFE and Contractor will independently gas free the space
• 2. GFE will inform contractor of his findings
• 3. GFE will inform contractor that he retains legal obligation for the safety of contractor personnel in the space

• 1. To conduct Assessments
• 2. To conduct Inspections
• 3. To develop Repair Work Packages

• 1. Air Purifying
• 2. Supplied Air

NSTM 077

NAVOSH Manual (5100.19E)

• 1. No flammables present or being generated
• 2. No toxics present or being generated
• 3. Only to provide clean air for breathing and comfort

One complete air change in three minutes.

• 1. Source of Make-Up air is too close to exhaust inlet ducting.
• 2. Place the trunk further into the space.

Class I: High Energy Sparks

35 ft

4 inches

Maintain 5 Ft Boundary Away from Magazine Bulkheads

• 1. Smoking lamp out
• 2. 200’ exclusion zone
• 3. PPE
• 4. Safety observer
• 5. Non-spark producing tools
• 6. Continuous ventilation
• 7. SAR

Dry Nitrogen

• 1. Hot or Cold Water Wash
• 2. Steam Cleaning
• 3. Butterworthing / Wheelerizing
• 4. Chemical Cleaning
• 5. Biological Cleaning

The GFE

• 1. Continue to ventilate until space is clear.
• 2. Secure ventilation then let the air settle for 10 minutes.
• 3. Test the atmosphere (re-ventilate as needed).

NSTM 593 - Pollution Control

• 1. In an Emergency.
• 2. CO permission.

When the GFE/GFEA orders entry.

• 1. One Investigator
• 2. One Rescuer

• 1. CAB'S (Circulatory, Airway, Breathing)
• 2. Control Bleeding
• 3. Treat for Shock
• 4. Treat Broken Bones
• 5. Transport to Medical

• 1. All accesses to the space.
• 2. GFE Files (Original copy).
• 3. Division Requesting Services.
• 4. OOD (Quarterdeck or Bridge).
• 5. DC Central.
• Note: Original must be kept for 1 year.

• 1. 1 per Ship
• 2. E-7 or Above
• 3. CO’s Designation Letter
• 4. Annual CPR Verification
• 5. Formal School
• 6. 40 Hours Practical Work U/I (waiverable)

• 1. 1 per Ship
• 2. E-6 or Above
• 3. CO’s Designation Letter
• 4. Annual CPR Verification
• 5. Formal School

• 1. 1 per IET (minimum)
• 2. E-4 or above
• 3. CO’s Designation Letter
• 4. Annual CPR Verification
• 5. Formal School
• 6. PQS (NAVEDTRA 43704, 316)

Minimum temperature at which self sustained combustion occurs without an external ignition source.

Temperature at which sufficient vapors are released to support continuous combustion once ignited.

Minimum temperature at which sufficient vapors are released to form an ignitable mixture.

• 1. Remove any/all ammunition prior to Availability or Overhaul.
• 2. No hot work in any space containing ammunition.
• 3. CO must approve in writing any hot work in adjacent spaces.
• 4. Apply 5 foot rule for adjacent spaces.

If there is more than one toxicant product in a space undergoing testing, the cumulative effects of the two or more products may be above unity, even though the PELs for any one of the products has not been exceeded.

Pollution Control (Sec 4, Sewage)

Preservation of Ships in Service (Sec 2. Safety Information)

Ammunition Afloat (Ch 2, General Regulations)

• 1. Considered IDLH due to exceptional risk of fire.
• 2. Greater than 22%

• 1. Considered IDLH by OSHA due to lack of coordination, perception, and judgement.
• 2. Less than 19.5%.

National Institute for Safety and Health tests and approves respiratory equipment and recommends toxicity exposure limits to OSHA.

Supplied Air Respirator (SAR) w/15 min backup air (SCBA).

Respiratory protection is mandatory (filter type respirator or supplied air respirator as appropriate).

Respiratory protection is optional.

• 1. Chemical
• 2. Butterworthing
• 3. Steam
• 4. Water Wash
• 5. Biological

• 1. Temperature may not exceed 230 deg F.
• 2. Apply 50 or 150 PSI steam for a period of 24 hours through a tank top connection.
• 3. Used to steam out MOGAS tanks.
• 4. May NOT be used in plastic or epoxy coated tanks (e.g. JP-5).

• 1. Use CO2 (heavier than air) or N2 (lighter than air and preferred medium) to maintain <1% O2 concentration.
• 2. Work outside of the space shall be certified and maintained as "Safe for Hot Work"
• 3. Upon completion of work, dispose of displaced vapor and inerting medium safely.

• 1. 5 SCBA's: 2 PASP's, 5 RASP's with 55 min of air per PASP (1 bottle).
• 2. 4 safety harnesses and safety lines
• 3. 2 radios or 3 SP Phones with salt and pepper lines on scene.
• 4. First aid kit and stretcher
• 5. Chain fall
• 6. Detection equipment
• 7. Explosion proof lighting, flashlight, drop lights, or chem lights.
• 8. Additional PPE as required.

• 1. Longer stay time
• 2. 15 minute Back-up air supply
• 3. Ease in Rescue
• 4. Ease in Egress

• 1. One Investigator
• 2. One Rescuer
• Conducts initial contact, assessment, & safe removal.
• Investigator has the comms.

• 1. GFE determines the number
• 2. 2+1 minimum size
• 3. Don respiratory equipment and stand by to provide assistance to the Primary Rescue Team.

• 1. One per rescuer.
• 2. Helps to don gear.
• 3. Tends safety line and chain fall.
• 4. Tends SAR/SCBA air hoses.
• 5. Maintains comms with the space.

• 1. Insert unbroken tube.
• 2. Squeeze bellows.
• 3. Wait 30 minutes.
• 4. Chain should still have slack.
• 5. Read instruction sheet.
• 6. Break off both ends of the tube.
• 7. Insert tube with the arrow pointing to the pump.
• 8. Squeeze bellows required number of times (Indicated by N= on the tube).
• 9. Determine readings.

• 1. Gas freeing an IDLH space.
• 2. Gas freeing for civilian contractors.
• 3. Gas freeing for a foreigner overseas.
• 4. Hot work in vicinity (5 ft) of a magazine.

• 1. Required to control the flammability and toxicity hazard.
• 2. Use dilution-type ventilation to protect adjacent areas. This ensures vapor concentrations remain below 10% LEL.
• 3. Run ventilation continuously.

• 1. Provides uncontaminated air for breathing or general comfort.
• 2. Can be supply or exhaust.
• 3. Rated for one complete air change every three minutes.

• 1. Captures contaminants as they are generated.
• 2. Draws them through exhaust ductwork located 6-10 inches from the work being conducted.
• 3. Effective for welding and solvent use.
• 4. Exhaust only.
• 5. The work zone farthest from the exhaust inlet requires airflow of 100 fpm towards the exhaust.

• 1. One complete air change in three minutes.
• 2. If welding, compare the results to NSTM 074 Vol 3 (pg. 74-78) and use the larger number for ventilation requirements.

• 1. H2S
• 2. Ammonia
• 3. Methane

Hydrogen

• 1. Nitrogen dioxide
• 2. Ammonia

• 1. CO
• 2. CO2

• 1. Above 22%
• 2. Below 19.5%

When concentration exceeds 10% LEL

• 1. CO2
• 2. H2S
• 3. HALON
• 4. Freon

• 1. CO
• 2. Ammonia
• 3. Hydrogen
• 4. Methane

• 1. General Info
• 2. Physical/Chem. Characteristics
• 3. Fire/Explosion Data
• 4. Reactivity Data
• 5. Health Hazards
• 6. Precautions for Safe Handling and Control Measures

• 1. Fresh Air test (Done prior to each use)
• 2. Bump test (daily before use)
• 3. Monthly calibration

• 1. Carbon Dioxide
• 2. Carbon Monoxide
• 3. Hydrogen Chloride
• 4. Hydrogen Cyanide
• 5. Hydrocarbons
• Per NSTM 555-7.10.3

• 1. Section 20 = Navy Gas Free Certificates
• 2. Section 21 = Ventilation
• 3. Section 22 = Hot Work
• 4. Appendix C = Sample Gas Free Engineering Notebook
• 5. Appendix D = Navy Gas Free Certification and Test Log
• 6. Appendix E = Shipboard Hazardous Atmospheres and Compartments Identification Tables
• 7. Appendix G = Chemical Names, PEL and IDLH

• 1. Manufacturer's Chart
• 2. NAVOSH Manual
• 3. Industrial Hygienists' Field Operators Manual (IHFOM)

• 1. Ship's Safety Officer shall audit annually.
• 2. Audit follows NAVSEA checklist found on the NAVSEA DC page.
• 3. Evaluates the GFE Service Personnel and recertification requirements.
• 4. Document Crew Training upon reporting and annually.
• 5. GFE personnel shall have letters of designation and qualifications shall be recorded in individual's service record.

• 1. Flame heating, welding, torch cutting, brazing, or carbon arc gouging.
• 2. Any operation producing temperatures of 240 deg C/400 deg F.
• 3. Any operation occurring in the presence of flammables which require the use of the presence of an ignition source.

• 1. Class I - High energy, scattered sparks.
• 2. Class II - Minimal energy, localized sparks.

• 1. Gas free every two hours.
• 2. Gas free every hour if temperatures are above 90 deg F.

• 1. Discovery and Notification
• 2. Initiation of Action
• 3. Evaluation
• 4. Containment & Damage Control
• 5. Dispersion of Gases/Vapors
• 6. Cleanup & Decontamination
• 7. Disposal of Contaminated Materials
• 8. Certification for Re-Entry
• 9. Follow-Up Reports

Green

• 1. Feet first
• 2. Head first only when transporting up or down ladders.

• CNSP/CNSL INST 6000, Appendix K
• What are the four stretcher types?
• 1. Stokes Stretcher
• 2. Miller Board (Litter Splint)
• 3. Army Litter
• 4. Reeves Sleeve 2

• 1. Provide a safe working and living environment for the crew.
• 2. Provide Hazard Awareness Training of a general nature for the crew.

• 1. No flammables present or being generated.
• 2. No toxics present or being generated.
• 3. Only to provide clean air for breathing and comfort.
• When conducting a bump test with the 6-gas analyzer, what is the delta (in percentage) that is acceptable?
• 90-110% of cylinder value

• 3, 15', ducts per fan.
• What ways do toxicants enter the body?
• 1. Ingestion (eating, drinking)
• 2. Absorption (touching)
• 3. Inhalation (breathing)

• 1. Previous chits.
• 2. Tag Out Audit.
• 3. DC Book.
• 4. WAF log.

• 1. Entry or Work Delay
• 2. Expiration (8 hours)
• 3. Hazard Detected
• 4. Ship Movement
• 5. Securing Ventilation
• 6. New Operations or Materials
• 7. Closing Space or Temporary Shutdown

• 1. Local exhaust Ventilation
• a. Welding, Painting, Using Solvents
• 2. Dilution Ventilation
• a. Reducing toxins, Controlling flammable vapors
• 3. General Exhaust Ventilation
• b. Providing cool comfort air in a hazard-free environment

IDLH requires SAR/SCBA and CO permission prior to conducting work.

Conducting a test every 15 minutes

Any periodicity greater than 15 minutes.

When the exhaust of a space is located too close to the intake.

• 1. Inport - All water and soil drains to tank, then to pier riser.
• 2. Transit - Within 3 nm of coast. All black water diverts to tank, grey water to below W/L (to tank), grey water above W/L (overboard)
• 3. At Sea - Beyond 3nm of coast. All grey and black water discharges overboard.

• 1. Confine spaces that contain, or have not contained, toxic or flammable materials.
• 2. Operations which generate or have the potential to generate toxic levels above PEL.
• 3. Operations that do not result in IDLH flammable and O2 levels.

• 1. Cold Work in spaces that do not contain, or have not contained, toxic or flammable materials.
• 2. Operations which do not naturally generate toxic levels above PEL.
• 3. Operations that do not result in IDLH flammable and O2 levels.

• 1. Written approval in CO designation letter
• 2. Operations repetitive and routine
• 3. No Space immediately designated as IDLH (sewage tanks, fuel tanks, etc.)
• 4. Testing and Certification procedures clearly established in GFE instruction.
• 5. GFEPO trained and qualified to perform delegated tasks.

• 1. 2,000 cu ft per welder, if a 5/32 or 3/16 rod is used.
• 2. 3,500 cu ft per welder, if a 1/4 rod is used.
• 3. 4,500 cu ft per welder, if a 3/8 rod is used.

• Insert unopened Draeger tube into the socket
• Squeeze pump completely and release.
• Pump is adequately leak-proof if the end-of-stroke indicator has not appeared after 15 minutes.
• The end of stroke indicator will turn white at the end of a stroke
• Select the appropriate Draeger tube
• Break off both tips of the tube and insert into pump.

Required before each days use.

Required if the Bump Test fails.

Required before each use.

• NSTM 074 V3
• aka GFE Manual

• Developed by the DCA and signed by the CO
• Sample contained in 074V3 App C
• Details shipboard policies for NORMAL GAS FREE EVOLUTIONS

• Gas Free Instruction
• Active Gas Free Chits
• Inactive Gas Free Chits (1 yr)
• Gas Free Engineering Procedural Working Guide
• IDLH Space Emergency Entry Checklist
• Closed Compartment Opening Request Form
• Toxic Gas Bill
• Required by SORM
• Developed by the DCA and signed by the CO (as part of the RPM)

• UPON REPORTING + ANNUALLY
• -Recognizing hazards
• -Identifying confined spaces and precautions regarding confined space entry
• -Requesting Gas Free Services
• -Helping shipmates in an emergency

Toxic Gas Bill

• of the Gas Free Engineering program?
• To ensure a safe working and living environment for the crew

• GFE Requirements
• 1 per Ship
• E-7 or above (USN)
• CO’s Designation Letter
• Valid CPR Quals
• Formal School
• 40 Hours Practical Work
• Emergency Rescue Training

• 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

• C.O. May Waive Requirement for 40 Hours of Practical Training in Writing if:
• Candidate Has Graduated from Approved Training Within Past 36 Months
• Unit Does Not Have Qualified GFE Onboard

• 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

• Required by the CO once a year
• Conducted by Safety Officer

• Evaluates:
• -GFE Personnel recertification
• -Crew Training
• -Equipment
• -Qualifications and Letters of Designation
• -Administration
• Safety Officer and GFE will maintain copies

• 1.Annual Verification of CPR
• 2.Refresher Emergency Rescue Training
• 3.Engaged in GFE During the Year
• Issued 10 Certificates
• If Above Has Not Been Satisfied, Complete 5 Gas Free Evolutions Under Supervision of a Certified GFE
• If Above Is Not Possible, Complete an Oral/Written Exam & a Practical Exercise

• 1.Graduated Formal School Within 36 months of reporting.
• 2.Unit does not have a qualified GFE aboard.
• 3.Service member is a USCG Engineering Petty Officer.

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

• Oxygen content < 19.5 or > 22%
• Flammable vapors at a concentration of ≥ 10% of the LEL
• Presence of toxicants above NIOSH IDLH limits

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

• Respiratory Protection Mandatory
• (Filter Type Respirator or Supplied Air Respirator as Appropriate)
• < 19.5% oxygen in space

Require CO Permission to enter

• #1 KILLER OF SAILORS
• COLORLESS, ODORLESS, TASTELESS
• LIGHTER THAN AIR
• SUBTLE ASPHYXIANT
• FLAMMABLE
• Where is it found?
• P-100s, Post-Fire Atmosphere, Welding, Diesel Generators, Paint Drying

• #2 Killer of Sailors
• COLORLESS GAS WITH
• ROTTEN EGG SMELL*
• HEAVIER THAN AIR
• FLAMMABLE
• Attacks Nerves: Apnea, Coma
• Where is it found?
• FIREMAIN
• AFFF SYSTEM
• ROTTING FOOD
• GARBAGE GRINDER
• SEWAGE SPACES

• Colorless, Odorless, Tasteless
• HEAVIER THAN AIR
• Blunt Asphyxiant
• NON-FLAMMABLE
• Where is it found? Portable CO2/CO2 Flooding Systems

• DARK BROWN, PUNGENT GAS
• HEAVIER THAN AIR
• NON FLAMMABLE
• CHOKING AGENT
• Where is it found? Hot Work, Fires, Combustion Engines, Burning Polyester/Nylon

• Colorless, odorless, and lighter than air.
• It is a product of aerobic decay of organic materials such as those found in CHT systems.
• Flammable

• Flammable, explosive, lighter than air
• Can be created by rust
• Where is it found? Battery charging spaces

• Colorless/Odorless
• Heavier than air
• Non-flammable
• Frostbite
• Attacks CNS, asphyxiates
• heat creates phosgene gas

• Pungent Odor
• Lighter than air
• Flammable
• Choking Agent
• Where is it found? Cleaning products, urinals

• Colorless/Odorless
• 5x heavier than air
• non-flammable
• frostbite danger + attacks CNS

CO2, H2S, HALON, Refrigerants

CO, Hydrogen, Methane

• Assign personnel (fire watches, compartment testing, etc.)
• Determine ventilation requirements
• Conduct safety brief
• tag out space, set up safety equipment
• secure area, conduct ORM

• 1. Drop Test (if IDLH, need CO permission to enter)
• 2. Ventilate at least 2 complete air changes (regardless of IDLH)
• 3. 2nd drop test, reventilate + retest if required
• 4. Enter for visual inspection and in-space atmospheric test
• 5. Exit, fill out, post certificates

• used for large spaces
• test top, middle, bottom + all pockets
• Where must you post gas free certs?

• OOD/Quarterdeck
• All accesses + main entrance to space
• Division requesting services
• DC Central
• Post Inspection Procedures

Conduct final inspection w/ requesting activity

• Secure Access to space
• Restow Gear
• Remove all gas free certs
• Retainability for GF cert in GF Log
• Retain for 1 year

• –Ship’s Gas Free Instruction
• –Active Gas Free Chits
• –Inactive Gas Free Chits
• Chits retained for 1 year

8 hours

• 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)

• All accesses to the space
• GFE Files (original)
• Division requesting services
• DC Central
• Officer of the Deck (Inport or Underway

• 19.5% < O2 < 22 .0%
• Toxins less than PEL
• All Flammables removed (LEL = 0)
• All boundary spaces protected

Occurs in Confined Spaces when oxygen is displaced or consumed (less than 19.5%)

Air Purifying

• Pressure demand mode (respiratory protection)
• Continuous positive pressure within face piece
• Prevents leakage into face piece
• SCBA (Scott Air Pack)
• SAR with SCBA

NAVOSH Manual (5100.19E)

Minimum 2 complete air changes

• GENERAL
• LOCAL EXHAUST
• DILUTION

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

Maximum of three 15 ft ducts per fan

• No flammables present or being generated
• No toxics present or being generated
• Only to provide clean air for breathing and comfort

• 1 air change
• every 3 mins

• How To remedy the problem?
• –Source of Make-Up air is too close to exhaust inlet ducting
• –Place trunk further into space

• Any operation occurring in the presence of flammables which requires the use or the presence of an ignition source.
• Spark-Producing Tools
• Arc-Producing Equipment
• Grinders > 3” diameter
• Open Flames or Embers

• High Energy (Scattered Sparks)
• Minimal Energy (Localized Sparks)

• 30 mins
• or until material is cool to touch
• (whichever is longer)

NO HOT WORK IS ALLOWED IN SPACES ABOVE , OR WITHIN 5 FT OF A LOADED MAGAZINE

Class I : High Energy Sparks

35 ft

4"

Smoking lamp out, 200’ exclusion zone, PPE, safety observer, non-spark producing tools, continuous ventilation, SAR, etc.

Dry Nitrogen

• In-Port: all waste drains to tank, then pier riser
• Transit: use within 3 nm of coastline. Blackwater goes to tank, greywater below waterline goes to tank
• At Sea: black + grey water overboard

• Oxygen between 19.5% And 22%
• Toxics below PEL
• All flammables removed
• Boundary Spaces Protected

• Local Exhaust Ventilation (i.e. welding/painting/solvents)
• Dilution Ventilation (reduce toxins)
• General Ventilation (provide comfort air in a hazard-free atmosphere)

• QA only
• (at CO's discretion)

• 1.C A B’s
• (Circulation/Airway/Breathing)
• 2.Control Bleeding
• 3.Treat for Shock
• 4.Treat Broken Bones
• 5.Get Casualty to Medical

• 1. Report Casualty
• 2. Survey area for danger
• 3. Check for response
• 4. Check circulation
• 5. Check the airway
• 6. Check for breathing
• 7. Stop bleeding
• 8. Treat for shock
• 9. Treat broken bones

IAW ship’s Authorized Minimal Medical Allowance List

• Stokes Stretcher
• Miller Board (Backboard)
• Army Litter
• Reeve Sleeve 2

• Pros: Good for helo transfer
• Cons: Poor Spinal support, bad in narrow p-ways

• Pros: Immobilizes spine, lightweight
• Cons: Awkward to hold, slippery&narrow

Cannot strap down

• Provide Alternate Sites for corpsman to Assess/Treat During Emergencies
• 4 Stretcher Bearers & Phone Talker

• Semi-Annually
• (IAW CNSL/SP INST 6000)

• Assist Medical in Training and Drilling
• Monitor Personal Qual (PQS) Progress
• Maintain Communications Between BDS and DCRS
• Provide Safe Route

• Assign Stretcher Bearers
• (NOT from Primary Fire Attack Team)
• Send S/Bs as Required
• Maintain Comms
• Track Injuries

Senior Medical Rep/IDC

• 1 per Ship
• E-7 or Above
• CO’s Designation Letter
• Annual CPR Verification
• Formal School
• 40 Hours Practical Work U/I (waiverable)

• 1 per Ship
• E-6 or Above
• CO’s Designation Letter
• Annual CPR Verification
• Formal School

• 1 per IET (minimum)
• E-4 or above
• CO’s Designation Letter
• Annual CPR Verification
• Formal School
• PQS (NAVEDTRA 43704, 316)

Minimum temperature at which self sustained combustion occurs without an external ignition source

Temperature at which sufficient vapors are released to support continuous combustion once ignited.

Minimum temperature at which sufficient vapors are released to form an ignitable mixture.

• Remove Ammunition Prior to Availability or Overhaul
• No Hot Work in Any Space Containing Ammunition
• CO Must Approve in Writing any Hot Work in Adjacent Spaces
• Apply 5 ft. Rule for Adjacent Spaces

“If there is more than one toxicant product in a space undergoing testing, the cumulative effects of the two or more products may be above unity, even though the PELs for any one of the products has not been exceeded.”

Pollution Control (Sect. 4 Sewage)

Preservation of Ships in Service (Sect. 2 Safety Information)

Ammunition Afloat (Chpt 2 General Regulations)

• NATIONAL INSTITUTE FOR OCCUPATIONAL SAFETY & HEALTH (NIOSH)
• Tests & approves respiratory equipment
• Recommends toxic exposure limits to OSHA

• CHEMICAL
• BUTTERWORTHING
• STEAM
• WATER WASH
• BIOLOGICAL

• CANNOT BE USED ON PLASTIC OR EPOXY COATED TANKS (JP-5)
• USED TO STEAM OUT MOGAS TANKS
• TEMP MAY NOT EXCEED 230F
• APPLY 50 OR 150 PSI STEAM FOR A PERIOD OF 24 HOURS THROUGH TANK TOP CONNECTION

• GASES USED:
• –CO2 (HEAVIER THAN AIR)
• –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

• 5 SCBAs: 2 PASPs 5-RASPs 55 minutes of air per PASP (1 Bottle)
• 4 Safety Harnesses, Safety Lines
• 2 Radios or 3 S.P. headsets w/salt & pepper reel on scene.
• First Aid Kit & Stretcher
• Chain Fall
• Detection Equipment
• Explosion-Proof Flashlights, Drop Lights, or Chem Lights Additional PPE as required.
• SAR w/SCBA Times
• PASP: 55 Mins
• RASP: 110 Mins
• SCBA: 15 Mins
• Control Panel Assembly: 60-80 PSI

• Longer stay time
• 15 mins back up air
• ease in rescue
• ease in egress

• One Investigator & One Rescuer
• Initial Contact, Assessment & Safe Removal
• Inv. has Comms

• GFE Determines Number ( 2+1 min.) (+1 is line tender)
• Don Respiratory Protection & Standby to Assist Primary
• Rescue Team
• Attendants (GFE)
• One Per Rescuer
• Help to Don Gear
• Tend Safety Lines & Chain Fall
• Tend SAR/SCBA Air Hoses
• Comms w/ Space

• Primary
• Secondary
• Attendants

• Insert unbroken tube
• Squeeze bellows
• Wait 30 minutes
• Chain should still have slack
• Read instruction sheet

• Break off both ends of tube
• Insert tube into unit so that arrow points to pump
• Squeeze bellows required # of times (whichever is less on scale)
• Determine readings

• Gas Freeing an IDLH Space
• Gas Freeing for Civilian Contractors
• Gas Freeing for Foreigner Overseas
• Hot Work within 5 ft of a Magazine

• No flammables present or being generated
• No toxics present or being generated
• Only to provide clean air for breathing and comfort

• Provides uncontaminated air for breathing or general comfort
• Supply or Exhaust
• ONE COMPLETE AIR CHANGE EVERY 3 MINUTES

• Captures contaminants as they are generated
• Draws them through exhaust ductwork intake positioned 6-10 inches from work generating contaminants
• The work zone farthest from the exhaust inlet requires airflow of 100 FPM towards the exhaust.
• i.e. hot work

• One complete air change every 3 minutes
• If welding, results compared to NSTM 074 VOL 3 requirements on page 74-38
• LEL must always be less than
• 10%

• H2S, Ammonia, Methane
• What Toxicant is associated with Rust?
• Hydrogen

Nitrogen Dioxide, Ammonia

CO and CO2

Greater than 22%, Less than 19.5%

Greater than 10% LEL

CO2, H2S, HALON, FREON

CO, Ammonia, Hydrogen, Methane

• –General Info
• –Physical/Chem. Characteristics
• –Fire/Explosion Data
• –Reactivity Data
• –Health Hazards
• –Precautions for Safe Handling and Control Measures

• Toxics below PEL
• Sufficient oxygen
• Danger of explosion or excessive toxicants in presence of hot work or hot work not requested

• 1 1/2 INCH FIREMAIN INLET AND DISCHARGE CONNECTION
• 2000 CFM WITH 10 INCH VENTILATION DUCT
• WEIGHS 35 LBS/CAN HAVE 3 DUCTS PER FAN
• FM OPERATING PRESSURE 40-180 PSI, MAX 250 PSI
• EXPLOSION PROOF WHEN GROUNDED
• –BARE METAL
• 2 PER DCRS

• Carbon Dioxide
• Carbon Monoxide
• Hydrogen Chloride
• Hydrogen Cyanide
• Hydrocarbons
• (IAW NSTM 555)

Ship’s Safety Officer Shall Annually Audit GFE Program (NAVOSH 5100.19 series)

• Evaluates the GFE Service Personnel for Recertification
• Document Crew Training Upon Reporting & Annually

• SHIPBOARD GFE SERVICES FOR CIVILIANS
• NO LEGAL PROVISIONS
• –EXCEPTIONS:
• (1) EXTREME EMERGENCY
• (2) INCREASED POTENTIAL LIABILITY
• REQUIRES CO AUTHORIZATION
• GFE MUST PERFORM SERVICES

• Outside US Territorial Waters
• No Shore Maritime GFE or local Competent Person or Marine Chemist

• CIVILIAN CERTIFIES FOR CONTRACTORS AND GFE CERTIFIES FOR SHIP’S CREW
• GFE WILL INFORM CONTRACTOR REP OF FINDINGS
• CONTRACTOR SHALL BE INFORMED THAT HE RETAINS LEGAL OBLIGATION FOR SAFETY OF CONTRACTOR PERSONNEL

Can be Locally Produced

• Initial Info and Planning for Gas Free Test
• Should be Submitted Prior to Evolution
• (Use piping systems from DC plate, closure log prior to opening)

• Allows Divisions to Request Hot Work Services
• Management Tool to Optimize Use of Time, Personnel and Resources

• –Gas Free Certificate
• –Locally Prepared

• Entry or Work Delay
• Expiration (8 Hours)
• Hazards Detected
• Ship Movement
• Securing Ventilation
• New Operations or Materials
• Closing Space Or Temporary Shutdown

• Oxygen between 19.5% And 22%
• Toxics below PEL
• All flammables removed (LEL is 0)
• Boundary spaces protected

• OBTAIN CO PERMISSION TO ENTER IDLH SPACE
• OPEN TANK, CONDUCT DROP TEST AND VENTILATE PER NSTM 074
• CONDUCT DROP TEST, GFE ENTER TANK USING SUPPLIED AIR BREATHING APPARATUS AND CONDUCT O2, EXPLOSIVE AND TOXIC TESTS

IDLH requires SAR/SCBA + CO Permission

• Continuous: Every 15 mins
• Periodic: Anything longer than that