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