Engine and Rescue Flashcards
drivers school study material
code 3 complete stops
- when directed by law enforcement
- red lights
- stop signs
- blind intersections
- when driver cannot account for all lanes in intersection
- stopped school bus w/flashing warning lights
- when other intersection hazards are present
new mexico motor vehicle code 3 privileges
exceed the maximum limits so long not to endanger life or property
park or stand irrespective or the provisions of motor vehicle code
proceed past a red or stop signal or stop sign, but only after slowing down as necessary for the safe operation
disregard regs governing direction of movement or turning in specified directions
AFR driving policy and guidelines
may exceed the posted speed limit by no more that 10mph- with good weather and light traffic
may proceed through red lights/stop sings after coming to complete stop
may buck traffic within 1 mile
may park irrespective of direction
rescue radio
10 channels
- UNMH
- AAS base/lifeguard
- VA/Mats
- ACL
- ST Vincents
- Lovelace dt/HHNM/Westside/womens
- Pres dt/kasmen/rust
- Sandoval regional
9&10 AAS dispatch
placement of apparatus standards
1) Tactical objectives and priorities
2) Staging protocols
3) Direct order from IC
4) A conscious decision on the part of the company officer, based on existing or predictable conditions
Rescue Chevy Chassis
have retarder
Statically what % of all FF deaths in the line of duty occur wile responding or returning from calls
25%
10-15 FF die
Rescue Meds
enter by 10am
Fentanyl and Versed
When do we call pharmacy for expired meds
30 days prior to its expiration
multiple unit response
- do not follow within 500ft
- do not pass unless they are disabled
Piercing nozzle
flows 125 GPM @ 100 psi w/200 max psi
elevation pressure
0.434 per ft
5 psi per floor, above first floor
deck guns
Pump at 95 PSI
PDP = NP+AP
max 1,250 GPM
15 psi for appliance
throttle control mode (volume)
- used for drafting
- Throttle up/down will change engine speed in 25 rpm increments
- NO PROTECTION FOR FF IN THROTTLE MODE
Akron Mercury 500
- 1 3/8 tip
- 80 psi
- 500 gpm max
- 400 ft max supply 2 1/2 supply/ will reach hose limit if past
pump capacity
100% @ 150 psi (max capacity)
70% @ 200 psi
50% @ 250 psi
Angle of approach
Angle of departure
Break-over angle
- front ties to the lowest point in front of the vehicle
- rear tires to the lowest point to the rear of the vehicle
- the wheelbase midpoint to both the rear and the front tires
violent scene respose
units may stage at the fire station on apparatus if call is within 1 mile of station.
Tier responses
Tier 1- potential violent city
Tier 2- act of violence toward FF
Tier 3- act of violence has occurred in a specific area of the city
Tandem pumping or Relay pumping
one after another
- Discharge to Intake
- 175 psi
Level 1 staging
- in effect for all incidents involving 3 or more companies
- if staged companies observe critical tactical need they will advise command of such critical conditions and their actions-
- 1 block away in the direction of travel
Drafting
- strainer 24” all directions
- 10 ft is usually max for draft
- open valves slowly
- throttle mode (volume)
Substance abuse
- do not consume alcohol w/4 hrs prior to shift
- do not drink 8 hr after accident or until test
Wheel chocks
- anytime parked on a slope
- engine is in pump
- aerial ladder is set up
- chock both sides of tire
Asset works
SharePoint
- request for repairs (missing, damaged equipment has to be entered b 12)
- all logs entered in by 10 everyday
2 types of coolers
1) marine type
2) immersion
When to use engine cooler
- use if 80 degrees or hotter
- do not cool engine below 170-200 degrees
- engine cooler adds heat to pump water
Pressure control mode (series)
WE USE ALWAYS
- used for hand lines
- control pressure for FF
- 4 psi increments
2 types of pumps
1) positive displacement (like piss pumps)
2) centrifugal ( afr types)
of impellers is what stage the pump is
Static Pressure
Intake Gauge
- do not go below 20 psi
- static reading is when no water is flowing
( to get true static close tank fill )
3 types of water sources
1) Water Tank (on board)
2) Static source (draft)
3) pressurized source (hydrant)
how to tell if the pump is engaged
inside the cab - 2 green lights - speed 10-15 mph - feel/hear outside the cab -pump engaged light (middle light) - green/yellow light. pierce/seagrave - reading on master discharge
Standpipe OPS
- 2 2 1/2 inlets on building
- make connections as short as possible (max 100)
- 100 psi + 5 psi per floor above the first floor
FL coefficients
1 3/4 = 15.5…..2 1/2/ = 2……5 = .08
max operating pressure
1 3/4-2 1/2
5 inch
-275 psi
- yellow 185 psi
- green 275 psi
dry 105 lbs wet 900 lbs / 95 gallons of water per section
PDP = NP+FL+AP+/- EL
- 10 psi added for greater than 350 GMP
- 15 psi for Deck gun, Aerials, Master stream
- +/- 5 psi per floor not including the 1st floor
Head pressure (how much psi to raise 1 gallon of water)
2.304
Automatic pressure control devices
- must operate 3-10 sec after the discharge pressure raises at least 30 psi above the set pressure
- -operating range 75-300 psi
NFPA 1500
NFPA 1582
-standard on FF occupational safety and health program
(fitness for duty)
vision and hearing
Portable Monitor
1 line
2 line
- 500 GPM max for single line
400 ft max supply line
-800 GPM max for two lines
600 ft max supply line
5 causes of apparatus accidents
1) improper backing
2) reckless driving by the public
3) excessive speed
4) lack of driving skills/experience
5) poor apparatus design and maintenance
Fuel mixture
50: 1 - chainsaws, k 12
24: 1 - float pump
Atmospheric pressure
14.7
What is a good hydrant
20-80 psi
dont go below 20 psi on intake or risk cavatation
tire depth
4/32
NFPA 1451
driver training program
Seatbelts
NFPA 1901
NFPA 1500
- seat belts will e provided for every seat
(NFPA 1901)
-All riders must be seated and belted (NFPA 1500) Exceptions -providing pt care in rescue -when loading hose on apparatus - training to drive tiller
warning devices
- 40 mph 300 ft effective rance
- 50 mph out run the effectiveness
- 60 mph 12 effective range
Intersection lights (what to do)
- 200 ft: turn off all sirens before stopped traffic is reached
- 100 ft: leave lights on and bring truck to a stop from nearest traffic
Duel Pumping
- 1 hydrant supplying 2 engines
- intake to intake
Tandem/ relay pumping
- one after another
- discharge to intake
- used to bump pressure up or for great distances 175 psi
Collapse zone
- one and a half times the building height
Apparatus accident
- contact Supervisor, BC, APD
- do not leave until APD had finished investigation
- refer news or any questions to safety office
- fill our green sheet in black ink within 48 hrs
- only one original copy is necessary
Apparatus Placement: fire scene
- 30 ft away from building
- maintain an access lane down the center of the street if possible
- avoid bell to butt. do not drive apparatus directly to the fire
- beware of overhead power lines
- leave room for ladder
Rescue Dump
drops down 12-14 inches
Barratric units
R-2 1,300 lbs
R-17 1,000 lbs
Fire stream
a stream of water or other extinguishing agent agent after it leaves a fire hose and nozzle until it reaches the desired point
3 types of nozzles
1) solid
2) fog
3) broken
Handline
Master stream
up to or less than 350 GPM
more than 350 GPM
Broken stream types
- cellar nozzle
- piercing nozzle
- chimney nozzle
NP (100-150 psi)
Nozzle operating pressure
- solid tip/TFT/Vindacator 50 psi
- fog 100 psi
solid tip master 80 psi
vindicator master 85 psi
broken stream 100-150 psi
Starting apparatus time and starter cool down
if engine does not start within 15 sec allow starter to cool down for 60 sec
Rescue trucks with DEF
R-8
R-12
During the time a fire stream passes through SPACE its influenced by?
- velocity
- wind
- gravity
- friction with air
The condition of the stream when it leaves the nozzle is influenced by?
- operating pressure
- nozzle design
- nozzle adjustment
- condition of nozzle orifice
5” portable monitor
- 1,000 GPM max 2 in tip
- 1,100 max supply
Primer
- should establish a prime within 30 sec for pump capacity of 1500 gpm or less
- 45 sec for pump greater that 1,500 gpm
Valves
- ball type
- push/pull
- quarter turn
- gate or butterfly
- 3 inch or larger must have a slow acting control valve
Apparatus position considerations
- 30 ft away
- heat release
- structural collapse
Instruments and Gauges
Engine Temp 170-200 degrees
Oil Temp 5 to 70 degrees
Trans Temp 150-200 degrees 250 max
Volts 13 to 14
Air Pressure 100-120
NFPA 1901: build psi in 1 min-60 psi to release brakes
Fuel 1/2 is empty
NFPA 1001
NFPA 1002
- standard for FF professional qualifications for FF1
- standard for fire apparatus driver/operator professional qualifications
TFT Metro 1
TFT Metro 2
1 3/4: 50 psi @ 150 GPM
2 1/2: 50 psi @ 250 GPM
Master Stream Solid Tips (80 psi)
1 1/4...400 GPM 1 3/8...500 1 1/2...600 1 5/8...700 1 3/4...800 1 7/8...900 2 ...1000
Hand line solid tips (50 psi)
1 3/4
7/8… 160 GPM/ .875
15/16… 180 GPM/ .9375
Hand line solid stream tips (50 psi)
2 1/2
1… 200 GPM 8 FL per 100
1 1/8… 250 GPM 12
1 1/4… 325 GPM 21
Vindicator Nozzles
Hand lines 50 psi
Mater 85 psi
1 3/4… 250 GPM
2 1/2… 325 GPM
Master…1,000 GPM
Classes of fluid leakage
Class 1
Class 2
Class 3
- Seepage of fluid, wetness or discoloration not enough to form a drop
- Leakage of fluid great enough to form a drops but not enough to fall
- Leakage of fluid great enough to cause drops to fall
Level II staging should be implemented for the following scenarios
1) All second-alarm or greater alarm incident
2) First alarm medical or hazardous materials incidents
3) Incidents when IC desires to centralize resources