Fire Ops Bulletin Flashcards
Who holds the Licensee for all radios, frequencies, and radio equipment
OUC
1 Tone =
non-fire response
2 Tone =
Fire Response
List Status Changes to ALWAYS verbalized
- Units enroute to single local or medical local shall state address
- First unit to arrive at single local or medical local shall confirm
- When command established, IC shall give disposition
- EMS transport Unit leaving Hospital will confirm current location and status on 0A14
What is the test count
5 count, 1,2,3,4,5 then 5,4,3,2,1
How far to hold mic from mouth
2”
When will EB not work
- Failsoft
- or 15/16
How to activate EB
Push and hold for 1 second, then push PTT to send radio ID
How to Rest EB
Hold EB for 2 seconds until you hear exit tone, OUC will notify if reset was successful
What button is the Keypad Lock
Purple button
What will happen if the EB is activated to the flashlight
Flashlight will strobe
Where are radios to be kept while in quarters
- carried by member
- inconspicuous location on the apparatus
When will batteries be replaced
When they blink Red or Yellow
Mutual aid 8Tac groups are in what zone
G zone
When will DVRS be activated
upon arrival at scene when assigned a talk group
What talk groups will DVRS work on
Only Fire Ground talk groups
other talk groups will display VR disabled
Steps to turn on DVRS
1-Place talk group selector (will say VR off)
2-Press DVRS menu button (LCD will flash)
3-Press DVRS menu button again (Off will become SYS also short tone will sound, and flashing will stop)
DVRS receives radios within what range
- 70 degrees on a horizontal plane
- 60 degrees on a vertical place
How far away should tech be from antenna
15’
Most accidental vehicle fires are caused by ?
- Electrical
- fuel system malfunctions
Position wagon how on vehicle fires
-min 50’ in the front 100’ if possible
When positing in the rear of vehicle fires
-min 100’
What is the approach angle for a care fire
-45 degrees
How many lines are to be used and where are they deployed
- 2 lines
- first line to passenger compartment
- 2nd line to fuel tank from underside
Do you remove fuel tank cap
NO
What is the pressure on Air bag cylinders
1400-3000 psi
What temp will rupture disk and vent argon
480 degrees
What temp will initiator will auto ignite
750 degrees
What temp can cause air bags to inflate
some as low as 250 degrees
What to do is leaking fuel tank?
Request haz mat unit
Can Electric Vehicles shock you
Do not use the earth as a ground and should no cause a shock
Signs of an Electric Vehicles
international orange wiring system
Time it take to de energize electric cars
5-10 minutes, power should be cut as soon as possible
Large Electrical Vehicles Fires
Use water
Small Electrical Vehicles fires involving batteries
Type D dry chem
How much combustible material is in average vehicles
over 900 LBS
What must always be checked after a vehicle fire
Check the Trunk
How far to position away from trench
200’
How should apparatus be secured
turn off all apparatus and all construction equipment leaving it in positions and shut down
Can you enter a trench?
NO not unless deemed safe by IC
How many members in Recon
no more then 2
How should you approach the trench
from the narrowest portion of excavation
What does recon use to distribute weight
Ground pads
Engine company role in Trench
Secure scene and preform size up
Truck company role in Trench
Safety
Where should units stage for report of trench
all units stage 1 block away
What are the two most common causes of accidental vehicle fires?
Electrical and Fuel system Malfunctions
What is the normal internal and external operating temperature for catalytic converters
Internal 1300-1600
External in the range of 1000
What can cause the temperature in a catalytic converter to exceed 1600 degrees F
Too Rich a fuel mixture
The fuel cap, which is part of the evaporation control system, contains two relief valves. What are they and what do they do?
Vacuum Relief operates at approx 3-8 psi, pressure relief valse operate at 1 psi
Where shall apparatus positions on vehicle fire and how far? If this cannot be done, where is the alternate positing for apparatus and how far?
Apparatus shall be positioned in front of the vehicle that is on fire be at least 50 feet. If apparatus must be positioned in the Rear of the involved vehicle a distance of 100 feet shall be maintained.
When attacking vehicle fire how many attack line shall be used, where shall the attack lines be directed and how shall the attack on vehicle fires (angle)?
2 attack lines, 1.5” shall be utilized, with the first line directed into the passenger compartment and the second line being directed at the fuel storage tank area. Vehicle fires shall be attacked from a 45 degree angle.
What pattern should the second attack line be operated at?
Wider fog pattern
When should the request for a second engine company be considered on vehicle fires?
When distance from a water supply is an issue or when there is a larger passenger vehicle well involved.
What are air bag cylinders pressurized to? Where are the compressed fas canisters located?
Between, 1400-3000 psi, The firewall B post and C post
At what temperature will auto ignition of compressed gas canisters occur? What gas will be vented?
480 degrees; Argon
At what temperature will the initiator compartment on airbags auto ignite?
750 degrees
What temperature are some airbags designed to auto inflate?
above 250 degrees
Who shall be requested for leaking fuel tanks
Hazmat unit
What does BEV stand for?
Hydride Electric Vehicle
What are the four major electrical system of the EV?
- Charging Mechanism
- The traction(propulsion) Battery
- The Controller
- The electric traction(propulsion) Motor
What are the three EV fluids you might encounter on the EV Fire
- Potassium Hydroxide (KOH)
- Marlotherm
- Sulfuric Acid
What is the telltale sign of an EV?
The International orange wiring system
It is important to cut power t can EV immediately upon arrival because it takes how long for the vehicle to be de-energized after cutting the power?
Approx 5-10 mins between, time is cut and the system is de energized
If fire involves only the batteries of and EV, what type pf extinguishment shall be considered?
Consider using a Class “D” Fire extinguisher
What classification has District law made the act of intentionally buying an automobile?
Destruction of Property
What are should always be checked by company officers on all vehicle fire?
Company Officers should always check the trunk for victims of crime
What is the most critical time frame when developing a primal case that involves automobiles
The first 48 hours.
______are wood planks and wood panels that support the trench wall.
Sheeting
_______is the general term used for the lengths of timber, screw oaks, hydraulic and pneumatic jacks and other devices that hold sheeting against trench walls.
Shoring
What is a slough-in?
The Collapse of a portion of a trench wall that leaves an overhang
Apparatus shall be positioned no closer then _____ feet to the trench.
200 Feet
Once in position, all apparatus will be _______
Shut Down
Who must give approval before any member are allowed to enter an unshared or unstable trench?
IC
How many member will be used for recon/size-up?
No more then 2
The first arriving engine comapany’s first responsibilities are to?
Secure the scene and preform initial size-up
If ground pads are not available, what else could be used to distribute the weight of a rescuer?
Backboard of ladders
Who establishes Level III accountablility
Truck company
An exclusionary zone of at least _____ feet will be established and all sources of vibration within ______ feet will be eliminated.
- 200 Feet
- 500 Feet
What units are allowed to enter the scene with apparatus and where will all others position ?
First Arriving Engine, Truck, RS, and BFC allowed in
-Remaining are to stage one block away
