Chapter 6 Flashcards
List the components of Structural Firefighting PPE
- Fire Helmet
- Flash Hood
- Protective coat (Bunker coat)
- Protective Trousers (Bunker pants)
- Firefighter Gloves
- Firefighting Boots
- Eye Protection
- Hearing Protection
- Self Contained Breathing Apparatus complete with PASS alarm
- Face Piece
What are the main components of SCBA
- Cylinder
- Harness
- Face Piece
- PASS system
What is required PPE for operating a chainsaw?
- Safety Glasses/ Goggles/ Visor
- Safety boots
- Safety Helmets
- Safety gloves
- Hearing protection
- Safety pants (bunker)/ chainsaw chaps
To which pressure does the High Pressure Reducer decrease incoming cylinder pressure
85-110psi
What components make up the SCBA Harness?
- Back Frame
- Harness
- Pressure lines
- Control systems
- Alarm systems
How many minutes aer SCBA cylinders rated for?
60minutes
What are the 3 components of the Protective Trousers
- Outer Shell
- Moisture Barrier
- Thermal layer
What colour helmet does and FFQ wear?
Black with Red/Yello Illumination
What colour is a Chief’s helmet
White
What colour is a Firefighter’s helmet?
Black with Yellow illumination
Define the acronymn IDLH
Immediately Dangerous to Life and Health
At a medical aid, why is it imperative to change to clean gloves after patient procedures
Prevents contamination of the patient
What colour is an officer’s helment
Black with Red illumination
What will happen if battries run low on PASS during usage
- Sensor module will chirp every 2 seconds
- Green light on console will go out
Actions
- Exit structure, replace SCBA, tag harness for battery replacement
What pressure does the E-Z flow regulator reduce incoming line pressure to?
0.8-1.5psi
What does PASS stand for? (SCBA)
Personal Alert Safety System
How should Harnesses be stored
With straps fully extended
How do you clean the SCBA face piece
- Mild soap and water
- air dry
- Percept Spray
- air dry
List the Daily SCBA checks
- Inspect cylinder + harness, including air cylinder retention collar for visible damage
- Check air cylider pressure
- Inspect the high pressure hose for signs of wear or damage
- Inspect the high pressure hose coupling for tightness and teflon seal for damage or looseness
- Fully open air cylider valve
- Check that the pass alarm warns after approximately 20 seconds of non-movement
- Check the chest mount console gauge. 300-400psi difference tag and send for repair
- Close air cylinder valve
- Check the alarming systems function: bleed air from regulator, vibralert should activate at approx 1200 psi
- Deactivate PASS
- Inspect harness , including hold down clip for wear, damage and cleanliness
- Extend and straighten all straps
List the 3 major limitations of the SCBA system
- Limitations of Air supply
- Capacity
- Pressure
- Limitations of Equipment
- visibility
- mobility
- communication
- Limitation of Wearer
- Physical fitness
- Agility
- Emotional stability
- Experience
Explain two styles of Controlled breathing
- Inhale through nose and exhale through open mouth
- 4 count deep inhale, Hold 2, 4 count exhale
Explain Survival breathing
- Firefighter sidelying
- a ‘few’ controlled breaths to increase focus
- focus on breathing, try to use diaphragm only to inhale
- 4 in.–> hold 2–> 4 out
- increase to 4 in–> hold 4–>4 out
What are the components of WIldland FIrefighting PPE
- Structural firefighting boots
- Light weight leather gloves
- Nomex flash hood
- Nomex coveralls
- Safety glasses/ goggles
- Light weight helmet
What are 4 respiratory hazards a firefighter will face
- O2 deficiency
- Smoke
- Toxins
- High temperatures
Define:
Oxygen Deficient Atmosphere
< 135mmHg or about 18% @ barometric pressure of 740mmHg
What effects occur at 17% oxygen
- Increased volume of respirations
- Increased Heart rate
- Reduced night vision capability
What is the Correct procedure3 for Donning full fireground protective clothing?
- Step into the boot/pant assembly
- pull up pants, place suspenders, close zelcro and snaps on pants
- pull on flash hood
- pull on protective voat, ensuring thunbs are through holes of wristlets
- close front of coat with velcro, snaps and cover flap
- close neck flap of the coat
- put on firefighter gloves, ensuring wrist cuff is over the coat wristlets
When must primary eye protection be worn?
- Station operations
- All fireground operations
- medical operations
- rescue and vehicle extrication operations
- inspection in industrial occupancies
List the forms of primary eye protection
- Safety glasses
- Safety goggles
- SCBA facepiece
List the types of secondary eye protection
Helmet face shields
When can firefighters be exposed to loud noise?
- Fire station activity
- Responding to calls
- At the emergency scene
When is hearing protection NOT worn
When firefighter is involved in work on the Fireground
What forms of noise protection is offered by the department?
- Foam ear plugs
- ear muffs
- intercom headsets
Hearing protection shall be worn whenever the firefighter is:
- Operating power tools
- Operating or riding inside a moving apparatus
What are the three types of Breathing apparatus
- Open circuit
- Closed circuit
- Supplied air system (SABA)
What style of SCBA cylinder does EFRS use?
- Grey Carbon Fibre cylinder- 8.2kg
What pressure is a full SCBA cylinder?
4500psi
At what pressure should you replace a SCBA cylinder?
3600psi or lower
How often does a SCBA cylinder need Hydrostatic testing?
Every 5 years
What is the life span of EFRS SCBA cylinders?
15 years
How tight should the high pressure hose nut be?
Hand tight
Before connecting the high pressure line, what checks should be completed?
- High pressure hose for damage
- White teflon O ring for damage
- The O ring is inside the high pressure hose connection
What is the Universal Air Connection used for?
An emergency connection to replenish the SCBA cylinder with breathing air from an alternate high pressure air source
When do station officers fill out a PPE report?
1st of the Month
What effects occur at 16% O2
- Double vision
- Dizziness
Firefighters shall not wear _______ underneath wildland nomex coveralls
Synthetic clothing
What are the two styles of Water rescue/ Ice rescue suits
- Immersion suit
- Ice Commander
- Dry Suit
- Kokatat GFER
- Mustang Sentinel
High temperatures can result in what 3 types of injuries?
- Thermal burns
- Respiratory burns
- Heat stress
- resulting in cardiovascular collapse
Minimum O2 content to support combustion
12%
At what percentage of O2 will someone lose consciousness
=/< 12%
List the protocol for contaminated PPE
- Red Bag
- Biological contamination (body fluids)
- Yellow Bag
- Haz Mat
- Green Bag
- General soiling
What are the three components that make up the protective coat
- Outer shell
- Moisture barrier
- Thermal barrier
List the qualities of the flash hood
- Made of fire resistant materials
- Provides flame and some thermal protection to the head and neck as well as parts of the face not covered by the SCBA facepiece
The protective coat has what features to improve performance besides the construction components
- Wristlets c/w thumb loops
- Front closure system
- Collar closure system
- Reflective trim
- DRD
The protective trousers have what features to improve performance besides the construction components
- Reinforced knees
- Leather pant cuffs
- Heavy duty suspenders
- Reflective Trim
What is the DRD?
Drag Rescue Device
Hidden strap in protective coat used to drag a downed firefighter
What protections does the Fire helmet provide?
- Protects the head from impacts
- Provides thermal protection from heat/cold
- Provides thermal, flame, and secondary suspension protection with attached nomex ear/neck cover
- Provides secondary eye protection with an attached face shield
- Provides member identification to assist in PAR with attached leather shield, name decal, as well as removable EFRS unit number
Firefighter gloves are made of what components
- Outer leather layer (outer shell)
- Middle layer (moisture barrier)
- Inner layer (thermal layer)
List the features of the Firefighting Boots
- Some thermal protection from heat/cold
- Steel toes provide protection from falling objects
- Rubber boots are pull on style
- Leather boots may be pull on or lace up. Lace up may have zippers
Donning full fireground Protective clothing should be accomplished in how long
1 minute
How long does an air supply replenishment through the Universal Air Connection take to complete?
~2 minutes
Equalize cylinder pressures only
At what force does the hold down clip break and why?
50 lbs
For safety in the event the cylinder is snagged while being worn
4 holes on the side of the HP reducer, what actions must be taken during daily checks?
- Check they are clean
- Do not attempt to clean
- If blocked- remove from service and tag for repair
- If air escaping from these holes- tag for repair and remove from service
What are the lines connected to the frame jsut above the HP reducer, and which shoulder straps are they connected to?
Hose and wire retaining clip holds hoses to reduce snag hazard
- Left shoulder
- Low pressure line to gauge assembly
- Low pressure line to the facepiece
- Right shoulder
- Stiff conduit line going to the chest console from the PASS
- Low pressure line to the pressure gauge console
What material are the harness straps made of, and what are the advantages?
Kevlar
- High heat resistance
- High strength
- High abrasion resistance
- If exposed to high heat will change colour to TAN
- not necessarily damaged unless straps become brittle
What does the Gauge console contain
- Chest mount pressure gauge
- Personal Alert Safety System control buttons/ light indicator
Which two points must be inspected for air pressure, and at what discrepancy is there a problem?
- Chest mount pressure gauge
- Air cylinder pressure indicator
- 300-400psi
- Replace bottle to identify which is at fault. Tag as out of service and send for repair
Describe the Harness Inspection process
- Stored with straps fully extended
- Check for excessive wear
- Check straps for colour change and/or brittleness
Any damage found, tag unit , inform officer and forward to Air room for repair.
Where is the Vibralert alarm system housed, and what pressure will it activate
Face piece regulator
1200psi
Describe the procedue to function test the low pressure (vibralert) alarm system
- Turn on air cylinder valve
- compare air cylinder pressure indicator with chest mount pressure gauge
- Ceck all connections and hoses for air leaks
- Turn off air cylinder valve
- Slowly bleed air from the system with the regulator purge valve
- Note pressure when vibralert system begins activating
- Bleed all air from system
What must be activated to prevent free flow when disconnecting the regulator
Donning/ Doffing switch
What is the purge valve used for?
- Clearing the face piece if it becomes fogged
- In an emergency
- to bypass the regulator and allow you time to get out of the contaminated atmosphere
Describe the inspection process for the face piece
- Check face piece lens for signs of thermal damage (visual distortion, discolouration)
- Check the lens/face piece for cracks around mounting screws
- Ensure the exhalation valves are installed on the inside of the nose cone
- Ensure the nose cone is properly mounted within the face piece
- Examine the head harness and straps for damage or excessive wear
What are some of teh components of the EZ flow regulator?
- Black coloured Donning/Doffing switch
- Red purge valve
- Face piece/ regulator connection lock
- Face piece/ regulator seal gasket
- Vibralert low air alarm
How do you check the PASS battery life
Push and hold yellow reset button
- Green light flash
- batteries are good
- Red light flash
- tag unit and send for repair
Who replaces PASS system batteries
ONLY SCBA technicians
2- 9v batteries
What steps do you take if your regulator ceases to function?
- Open the purge valve
- Turn on your PASS alarm
- Exit the structure
- Report to an Officer immediately
Which straps on the face piece are tightened first
Chin straps (bottom) on both sides simultaneously
List the components of the Head’s Up Display (HUD) and meanings
2 Green lights- Full cylinder
1 Greem light- 3/4 Cylinder
1 Flashing Yellow light- 1/2 cylinder
1 Flashing Red light- 1/4 cylinder
1 orange light above green lights- Low battery
Describe the process for Donning the face piece
- Attach voice amp to the facepiece
- Ensure chin and temple straps are fully extended
- Place face piece over your face (chin first and roll up to forehead)
- Pull head harness over your head
- Tighten chin straps simultaneously
- Tighten temple straps simultaneously
- Perform negative and positive pressure seal checks
Which conditions require activation of the PASS alarm
- Downed firefighter who has not moved for more than 30s (automatically activated)
- Firefighter who is lost and cannot find their way out (manually activated)
- Emergency SCBA malfunction and firefighter requires assistance (manually activated)
How can PASS be manually activated
Press the RED button on the Chest mount console gauge
How can you return the sytem to the armed mode from:
Pre alarm
Full alarm
- Pre alarm-
- Rocking their hips and moving the ball bearing in the sensor module
- press the yellow reset button once
- Full alarm
- press the yellow reset button twice
How do you Deactivate the PASS alarm after SCBA use?
- Turn off main air cylinder valve at base of air cylinder
- Bleed all air pressure out of the SCBA system
- Push the yellow reset button twice
*System deactivates by a loud countdown chirp of ten or two beeps*
Where is the gauge consol located?
Right shoulder strap
How long can a firefighter be motionless before the PASS Pre-Alarm activates?
20 seconds
What are the PASS controls
Indicator light bar
Red Alarm button
Yellow Reset button
Identify a Full PASS alarm
Pulsating tone
Red flashing light on gauge console
Identify a PASS system Pre-Alarm
Chirping sound
Red flashing light on gauge console
How do you turn on/ arm the PASS system
Automatically when main air cylinder valve is opened and harness regulator is pressurized
Why is it important to doff and dispose of medical PPE at the point of use?
Key behaviour in reducing the firefighter’s risk to work place contamination and prevention of infection
Why is it important to perform an N-95 mask fit check?
Properly fitted masks seals to your face and reduces the potential for contamination entry as well as eye wear fogging when wearing the mask
