Volume 3 Flashcards
What are the 3 components that make up a “triple?”
1) water tank
2) water pump
3) hose
What are pumps rated at on a triple?
1500 gpm @150psi
What is done before streams are directed towards the fire from a fire boat?
Air horn is blasted 4 times to warn people of water flow
What is the pump capacity of fire oats 1,3,5?
750 gpm @150psi
What is the pump capacity of boat 2?
16,000 gpm @150 psi
What is the pump capacity of boat 4?
9,000 gpm @150psi
What is the water and foam capacity of the crash fire foam rigs?
Water 3,000-4,000 gallons
Foam 500 gallons of AFFF
How much foam is carried on the foam tender?
300 gallons of AFFF in the tank plus
(50) five gallon containers of AFFF
How many people can the Devon trailer decontaminate?
Up to 150 people
What is the capacity of the hand crew bus?
14 people
What is the 3 airbag system rated to?
56 tons (1) 12 ton bag and (2) 22 ton bags
What are the 2 capacities of airbag systems?
56 ton (3) bags
236 ton (7) bags
Which side of the airbag has a non-slip surface and an “x” marked on it?
Both sides
What are the dimensions of the aluminized ceramic blanket and what is it used for?
6’x8’ used primarily with the cutting torch and rotary saw. Will conduct electricity
When cutting with the pick-head axe, at what degree should the blade contact the wood?
60 degrees
What is the flathead (single-bit) axe used for?
Primarily for cutting wood
When using the battering ram, how should bricks be removed when breaching a masonry wall?
Remove one brick with axe, then using the battering ram work your way down and remove bricks in a diamond shape
The brush hook can cut what diameter of branches?
Up to 3 inches. Strike branch at a 45 degree angle
What is the mccloud designed to cut and what angle should the blade be sharpened to?
Small to medium brush. Blade sharpened to 45 degrees
What are the 2 sizes of haywards (cal tool) carried by the LAFD.
30” and 42”
What is the bio pack 240 self-contained breathing apparatus used for?
Used for long duration protection in oxygen deficient or toxic atmospheres. Often in below ground incidents.
On the crowbar, what is the notch used for?
To help gain a purchase
What is the size of the floor runner?
6’x18’ made of waterproof cotton duct stored in a 3’ roll
Will hydraulic jacks function in the horizontal position?
Yes
How many watts are the quartz lights?
500 watts
How long are extension cords?
50’
What are the dimensions of the mattress carrier?
6.5’x9.5’
What will the pneumatic power chisel cut through?
1 1/4” mild steel plate
3/4” steel bolt
Various thicknesses of sheet metal
What size redwood plug can be used to plug broken sprinkler heads?
Tip less than 1/2”
What are the 2 sizes of rescue air cushions?
How long will it take a task force to deploy?
15’x20’x8’ rated to 70’
18’x25’x9’ rated to 100’
Deployed in 2 minutes
How often are the rubber gauntlet gloves exchanged and tested by DWP?
Every 60 days. Tested at 10,000 volts
What is the dimension of the rubbish carrier?
4.5’x4.5’
What are the 2 types of salvage covers and what are the dimensions?
Rubber coated cotton duct and lightweight plastic coated in nylon
12’x18’
What are the dimensions of the salvage pan?
32.5”x18”x5”
What is the crosscut saw used for?
Cutting wood
What is the plummers saw used for?
Cutting sheet metal and nails
What is the hacksaw used for?
Cutting iron bars and bolts
The chainsaw should be operated by how many people?
2 operator and safety member
What are the 4 types of rotary saw blades and what are their sizes?
Abrasive metal- 12” or 14”
Abrasive masonry- 12” or 14”
Carbide tip wood cutting- 12” or 14”
Dry cutting diamond blade- 14”
What should sledge hammers NOT be used to strike?
Hardened steel
What is the average temperature rating of sprinkler heads?
165 degrees
What are the 2 types of squeegees?
36” curved used to push
24” straight used to pull or push
What are the 2 types of staple guns used by the LAFD?
Squeeze and hammer
What is the width of the nylon ladder straps?
1”
What shall the prosser pump not be powered by?
Portable generator less than 2500 watts
When shall swift water equipment be carried on apparatus?
Year round
What is the capacity of the water vac holding tank?
8 gallons
Porter wire cutters can cut wire up to how thick?
3/16”
At What solution should AFFF be applied?
6%
How much more effective is AFFF on open surface gasoline fires than alcohol type foams?
3 times more effective
What type of foam should be used on polar solvents?
ATC (alcohol type concentrate)
What is the capacity of the refill tank for the wet water proportioner?
2.5 gallons
What is the metering disk of the wet water anti-siphon sprayer set to?
What pressure is supplied to the nozzle?
Meter is set to 1
40psi to the nozzle
At what degree should the stream of the wagon battery enter the building?
The wagon battery is ineffective on buildings over how high?
30 degrees
Ineffective over the 3rd floor
What are the 4 nozzles/tips that can be used with the ladder pipe assembly?
1.5”, 1.75”, 2” tips
Turbo master spray nozzle
How many gpm does the Bresnan distributor provide?
How far is water dispersed?
600-800 gpm
Dispersed 30’
How are siphon ejectors measured?
By the inlet size
What is the capacity of the water gun?
What is it’s pressure?
2.5 gallons
90-110 psi
What is the pressure of the CO2 extinguisher?
800-900 pounds
What is the expansion ratio from liquid to gas of the CO2 extinguisher?
450-1
At what constant temperature will the burst disk rupture on the CO2 extinguisher?
135 degrees
How are extinguishers weighed?
Gross- total weight
Tire- weight of the cylinder empty
Net- weight of contents
What is the discharge time of a 20lb CO2 extinguisher?
60 seconds
When shall the CO2 extinguisher be recharged?
When content weight is 15 pounds
Gross weight of 35lbs
How much dry chemical is in the extinguisher?
20lbs
Dry chem is how much more effective than CO2 on hydrocarbon fires?
Twice as effective
What is the discharge time of the dry chem?
10 seconds
What is the capacity of the dry powder extinguisher?
20 lbs
How are Pacific Coast Thread PCT adapters identified?
Painted yellow
What is the MAST-R-Adapter used for?
To connect a garden hose to the end of a faucet that isn’t threaded
What are the 4 disadvantages of spray streams vs straight streams?
1) lose water by evaporation
2) lose water in wind currents
3) inability to span great distances
4) don’t penetrate well
What is the purpose of the 4-way valve?
To change from hydrant pressure to pump pressure without interrupting the flow of water
On the Gleason pressure reducing valve, what are the numerical indicators on the knob that controls the pressure?
0-300 in increments of 20
On the Gleason valve, what indicates there is adequate pressure from the hydrant?
What will cause an immediate shutdown?
Water flowing from the intake overflow
Opening the emergency petcock
In flammable atmospheres, what type of metal hand tools should be used?
Brass or aluminum because they don’t spark
What are the 3 sizes of chlorine tank patch kits?
Type A- For 100-150lb containers
Type B- For one-ton containers
Type C- For railroad cars and tanker trucks
In a hazmat incident, what is the minimum pairs of gloves an entry team member shall wear?
3 pairs
What are the classes of HAZMAT suits?
Class A- Fully encapsulated
Class B- Hooded jumpsuit with an SBCA on the outside
Class C- Turnouts with SCBA
How much pressure may be in the SCBA cylinder?
Up to 5,000 psi
What does the SCBA not protect against?
Gasses or skin absorbed vapors
The SCBA consist of how many components?
10
How many carrying handles are on the SCBA backpack? What are they rated to?
3 handles rated to 1,000lbs
How much does the SBCA backpack weigh and what percent of the load in transferred to the hips?
Weighs 30.25lbs
60% of the load transferred to the hips
How is the SCBA backpack powered and how is low battery indicated?
Powered by 4 Duracell “C” batteries
Amber light will flash every 2 seconds when low. Amber lights are located on the HUD, top right of backpack, and on the PASS
What is the max working pressure of the SCBA cylinder?
4500psi
What does the SCBA bottle gauge range from?
0-6000 in increments of 1000
What is the psi of the green part of the gauge on the SCBA?
4000-5000
How many cubic feet of air does a 45 minute SCBA bottle hold? 60minute?
45 min- 65.6 cubic feet
60 min- 87 cubic feet
The minute rating on a SBCA bottle is based on using how much air per minute?
40 liters per minute
How often are SCBA bottles hydrostatically tested?
Every 5 years
What is the department designator for SCBA bottles?
LFD on a 2” band
To what pressure does the first stage regulator reduce the pressure from the SCBA bottle?
115psi
At what pressure does the relief valve of the regulator activate?
200-225 psi
What do the (4) LED’s in the HUD represent?
Full, 3/4, 1/2, 1/4
What are the air alarms of the SCBA?
50%- flashing 1/2 red light on HUD for 20 seconds
25%- warbling whistle activates between 1215-1035psi. 1/4 red light on HUD flashes.
10%- red 1/4 led light on HUD flashes faster.
200psi- led lights turn off
Where are the 3 indicators for battery on the SCBA?
1) HUD
2) Top right corner of backpack
3) On the PASS
How do you manually put the PASS device in full alert?
Press red button for 1-2 seconds
What are the stages of alarm on the PASS?
Pre-alarm: Begins after 20 seconds of no motion.
Gets louder every 5 seconds
Full-alarm: After 30-45 seconds without motion. Sound reaches minimum of 95 decibels. Usually 97-103 decibels
How long is the buddy breathing hose?
39” intermediate hose
How is the VAS in the face piece powered?
(3) aaa batteries
What will the escape cartridge not protect you in? How long does it last?
Oxygen deficient atmospheres
15 minutes
When connecting buddy breathing “y” blocks, who makes the connection?
Member out of air connects. Donor leads out
What (2) repairs can be made by field personnel to the SCBA?
(1) Batteries
(2) “O” ring on the first stage regulator
What is the length of the intermediate pressure hose of the RIC kit?
10 feet
What is the length of the drop bag in the RIC kit?
150 feet
What is the flashlight of the RIC kit powered by?
(3) C batteries
When connecting lifeline to a harness, if you don’t have a carabiner, what are the 2 ways you can attach the rope?
1) with a figure 8 follow through
2) with a bowline backed up with a double overhand
How long is the blue, yellow, and red webbing?
Blue- 5’
Yellow- 12’
Red- 20’
What are the dimensions of the blue anchor strap?
2”x7’
How long is the multi-loop and what is it rated at?
3’ rated to 5,000 lbs
Each loop rated to 1100 lbs
The figure 8 plate can be used to repel how long?
Up to 75’
Over 75’ use brake bar rack
When using the brake bar to lower a single person, how many bars do you start with?
For lowering 2 people?
What is the minimum and maximum bars?
When lowering 1 person start with 4 bars
When lowering 2 people start with 5 bars
Minimum 3 bars max 6
How are pickets driven into the ground when using as an anchor?
15 degree angle away from rescuer
2/3 the depth of the pick. 2’
What are the 3 markers that can be used to mark the lifeline?
1) CARTER MARKS-LOT
2) Stanford SHARPIE
3) Binney-Smith MAGIC MARKER
What is the equipment line dimensions?
What is it rated at?
What is it’s working load?
150’ 5/8” inner core carries 80% of load
Rated to 13,000 lbs
Working load is 2,600 lbs
What is the diameter of the halyard on the 35’ extension ladder? The 20x?
35’- 5/8”
20’- 3/8”
What are the dimensions of the dropbag rope?
150’
5/16” diameter
When hoisting a ladder what rung do you put the rope through?
Roof ladders?
Divide the length of the ladder by 5 then multiply by 2.
For roof ladders put rope under 3rd rung from the top
When throwing a rope, how far can the line be cast?
50’
What is the smallest diameter hose carried by the LAFD?
3/4” garden hose
What is the minimum length a stick of hose can be when used for firefighting operations?
40 feet
If NOT USED, how often shall hose be removed from the apparatus and cleaned?
Once every 3 months
If firefighting hand lines get damp or dirty when shall they be cleaned?
Within 24 hours
What are the (4) places hose change is documented?
F-2, book 55, f-122, f-128
If hose is heavily soiled, what concentration of soap can be used to clean it?
5-10% concentration
When hose is sent to Supply and Maintenance for repair, how many places is it tied in?
2
If the female coupling needs repair, which end of the hose shall form the center of the roll?
Male coupling
When is hose tested?
Annually and when a new section is received
Maximum of 12 months between tests
At what pressure is bypasses and soft suctions tested?
300psi
After hose is tested, what (2) documents are filled out?
F-129 hose test record
F-2
What can the female coupling be lubricated with?
Dry graphite
No oil
When folding the 1” hose, how far back shall the male coupling be folded over on itself?
18-24”
When flowing water while standing on a ladder, the stream shall not exceed how many degrees from being inline with the ladder?
15 degrees
When extending a line, how far behind the shut-off butt shall the hoseclamp be placed?
6-12”
The 1.75” hose shall be loaded in which troph of the transverse bed?
Front
What is the diameter of the pipe of a built-up fire hydrant?
4” or 6”
Where are SSFH sub surface fire hydrants usually found?
How are they identified?
Airports
Painted yellow
What does a drafting connection consist of?
6” pipe reduced to 4” with NST threads
When a drafting connection is not being used, how tight shall the caps be?
Spanner tight
What size are angle valves in a fire hydrant?
Can they be used by the fire department?
2.5”
Yes
What is “chattering” of a fire hydrant caused by?
What do you do if a hydrant chatters?
Caused by a loose valve
Open or close it until chattering stops and notify DWP
What is the operation for draining a dry standpipe that has been loaded?
Drain water from second floor then use the hydrolator to release clapper valves at the FDC
When the stem of an OS&Y valve is exposed, what position is it in?
Open
On a post-indicator valve, where is the wrench kept to close the valve?
On the stem secured by a lock
When diffusing a refrigeration plant, what is necessary before the refrigerant control valves are opened?
Water must be flowing
When folding a high-rise hose pack, how far past the SCBA bottle should the folds be made?
10”
What size nylon straps are used to fold the high-rise hose pack?
24”
When securing the bottom nylon straps to the high-rise hose pack, how far from the bottom of the pack shall the straps be placed?
8”
What are the dimensions of the high-rise hose pack?
40” x 22”
How long is the 2.5” hose on the high-rise hose pack stinger?
8 feet
What are the 3 types of engine companies?
1) Single engine company
2) Two-piece engine company
3) Light force
What are the 2 phases of a hose evolution?
1) Supply phase
2) Fire fighting phase
How long is the hose sling?
5 feet nylon strap
When a nozzle is SHUT OFF and grounded, how much straight hose shall be behind the nozzle?
5 feet
10 feet if flowing water
A member is “stealing from the lay” if he connects a coupling that is more than how many feet from the discharge gate?
More than 3 feet
When breaking couplings, within how many feet of the tailboard or discharge gate should you be?
Within 3 feet
What is the work area of the apparatus?
3 feet to each side and 8-10’ to the rear
Also called the “danger area”
When extending a line, the one-member fold is dropped how far from the nozzle of the line to be extended?
25 feet
When “standing on a line” and telling the engineer to “take off,” how far from the couplings shall you be?
Couplings shall be more than 5 feet to the rear and more than 10 feet in front
Where shall the nozzle be when advancing a dry nozzle?
On the back below the right shoulder
When advancing the 2.5” line dry, where shall the coupling be?
in front of and below the right shoulder
When climbing a ladder with a dry hose line, what is the correct spacing of members?
What is the spacing of members for a loaded line?
Dry line is 25 feet
Loaded line is 10’
When performing a 2-piece forward lay, how far in front of the hydrant does the engine spot?
25’
How often are salvage covers removed from apparatus and cleaned?
After each use or bimonthly
What (3) chemicals can be used to clean chainsaws, rotary saws, and blowers?
1) kerosene
2) 325 solvent
3) diesel fuel
Don’t use water
What is the pressure of the dry chemical extinguisher?
125-175psi
Before lowering hose from ladders or above ground, where should the water be drained?
At street level
Do small burns in the outer jacket of hose constitute damaged hose?
No but it shall be tested
When are hard suction hoses tested?
Annually at pump test
What is the NFPA standard for fire hose?
NFPA 1962
How shall fire station numbers be stamped into hose couplings?
On the male coupling with the threads to the left and hose to the right, next to a lug to prevent numbers from wearing off
How shall soft suctions be stamped?
On the stationary part of the female coupling
How is hose identified?
On both the male and female sides, 6” from each coupling with 1.5” stencils, on the plain side of the hose
What is the color code for the 2.5” high rise pigtail?
Either all red or all blue
What do red couplings on hose indicate?
Hose to be used as yard hose and not for firefighting
What does hose with couplings sprayed yellow indicate?
Hose is for relief apparatus only. Shall be stored separately
How long stall hose be left on inside hose towers?
Outside hose towers?
Inside- dropped and rolled weekly
Outside- left long enough to dry, then rolled and stored inside
How are salvage covers identified?
On the corners
What is the minimum diameter of a landing site for a large helicopter?
Small helicopter?
Large- 100’
Small- 60’
What should the landing and takeoff angle at a helicopter landing site be?
Not more than 25 degrees
When approaching a helicopter, how shall long-handled tools be carried?
Horizontally
Unless assigned to a specific task, members shall keep at least how far away from helicopters?
At least 100 feet
What are the (3) times the logbook shall accompany apparatus?
1) When in relief
2) when going to the shops for pump/aerial test
3) when transferred to a new station
How many extra F-620 per station?
2
Who approves changing or altering equipment on fire apparatus?
The fire chief
Who must supervise an off-duty member using a relief apparatus for training?
A member certified on the apparatus
When an off duty member is using apparatus for training, how much time are they allowed to use it?
1 hour per member training. Shall stay in first-in district of apparatus
What is the approved product for undercarriage cleaning?
Degreaser- Gunk type
After power washing the undercarriage, when shall lube be applied?
Same day, no later than next day
What type of grease is used for undercarriage lubing?
Chevron “black pearl”
What is to be greased using a hand pump only?
All steering components with rubber boots, clutch throwout bearings, bearings with rubber seals
When shall all maintenance and lubrication be performed?
During the first 2 weeks of the appropriate month. 377 to battalion by the 15th of the month
If an apparatus travels more than how many miles per month it gets lubricated monthly
More than 12,000 miles PER YEAR- monthly
Less than 12,000- bimonthly
When are 377’s performed?
Bi-monthly on even months
When is transmission fluid and oil filter changed?
At pump or aerial ladder test
The brake system needs service if the low air pressure alarm goes off within how much time of non operation?
12 hours
When shall the tires be brushed?
Following each daytime run
When drafting the strainer of the suction shall be how far off the bottom?
How far from the surface of the water?
12” from the bottom
24” from the top
After a fuel delivery, how long shall you wait before using diesel pump?
24 hours
During refueling, smoking is not allowed within how many feet of the pump or motor?
25 feet
What are the dimensions of the station identifying numbers on the front, back, sides, and top of apparatus?
Front- 7.5”
Back- 7.5”
Sides- 9”
Top- 15.75”
Who approves community title designations written in 4.5” lettering on the white reflective tape of the apparatus?
Bureau of emergency services commander
What percent of hydrants have the shutoff located within 10 feet of the hydrant?
75%
What is the working pressure of the hand lines?
What is the burst pressure?
Working pressure- 600
Burst pressure- 900
On the 2.5” syphon ejector, what does the adjusting wheel run to?
What is it set at?
0-100
40-60
Who determines the time to test hose?
Station commander
Who determines the time to test hydrants?
Battalion commander
Batteries in the PASS are changed on what day of the year?
Labor Day
How often is radiological equipment checked?
Monthly
When practicing on department apparatus at other stations, how long are training sessions limited to and where can you practice?
Limited to 1 hour per person.
Must stay in the first-alarm district
When shall all preventative maintenance and lubrication be done on apparatus?
Within the first 2 weeks of the appropriate month
When shall F-377’s arrive in battalion office by?
No later than one day prior to battalion inspection or the 15th of the month
The 22 ton bag will lift how many inches?
11”
The 22 ton bag will lift how many inches?
11”
The mechanical axe can cut wire up to how thick?
5/8”
According to volume 3, if it is necessary to park in a parking lot during non-emergency operations, what shall divers take into consideration?
Condition of the lot, congestion within the lot, sufficient room for safe maneuvering, and any inconvenience to the public
According to volume 3, what form is NOT required for an accident involving injuries?
F-225
According to volume 3, how often shall the aerial ladder of reserve trucks be lubed?
Every 2 months
According to volume 3, frequency of lubing heavy apparatus is based on what?
COMPANY annual mileage
How many members are permitted on a 14’ roof ladder?
2
What is the only product allowed for refinishing wood on firefighting ladders?
Varnish
According to volume 3, when using large hose lines off a ladder, the stream shall not exceed what degree to the side of the center of the ladder?
15 degrees
According to volume 4, a air or oxygen cylinder shall be labeled when exceeding how many pounds of pressure?
40 psi
According to volume 4, when an inventory item is being repaired at the shops, a loaner shall be issued for no more than how many days?
No more than 30 days
According to volume 4, equipment carried on apparatus shall be compared to the inventory printout supplied by S&M prior to?
July 1 of ODD years
What does the rapid intervention vehicle (ARFF80) carry?
1585 gallons of premixed AFFF
700 gallons of dry chem
How long is the telescoping boom on the emergency lighting apparatus?
25 feet
Portable generators range up to how many watts?
3500 watts
When shall the CO2 extinguisher be recharged?
When it gets down to 15 pounds
The 1/2” static kernmantle rope carries what percent of the load on its high strength core?
90%
How do you calculate the safe working load of rope?
Divide rated strength by the NFPA safety factor (15)
Ex: 10,000/15= 666
At what temperature does the 1/2” kernmantle rope melt?
450 degrees
What area behind the rig is considered the work area?
3 feet to each side and 8-10 feet behind
*SAFETY area while backing is 3’x15’
When standing on a line to lay a line, how far from the couplings shall the member be?
10 feet behind the coupling
At least 5 feet in front of the coupling
How many members are allowed on the 10, 12, 14, 16 foot straight ladders?
20 and 24’ ladders?
35 extension
10,12,14,16- 1 member
20,24- 2 members
35- 3 members
When involved in an accident, other than minor damage in what areas shall the rig be placed out of service and inspected?
Minor damage to body or fenders does not need inspection
After an accident, if an apparatus has damage other than just to the body or fender, who shall inspect the apparatus to see if it is able to stay in service?
Company commander or chief officer
When performing the 1 member throw with the salvage cover, how many folds does the member grab?
3-4 folds
What is the hand signal for a helicopter to “land here?”
Both arms up with palms facing each other
To obtain a 50:1 fuel mixture, how much premix should be mixed with 5 gallons of gasoline?
12.8 ounces
What is the hazard associated with using the CO2 extinguisher?
There is a risk of reflash
Drop bagging hose lines is effective up to what floor?
The 5th floor
What is the weight rating of the stair chair?
350 Pounds
What rung is the knot of the 35’ extension ladder halyard tied under?
4th rung
What is the minimum number of wraps to secure a no knot to an anchor?
3
What is the minimum number of rescuers needed for a lowering system?
4
Drop bagging is effective up to how many floors?
5
