Training Bullitin 4 Gasoline Tanker Trucks Flashcards
What division of the fire code regulates tank vehicles for flammable liquids?
Division 38
How many gallons does a 2 axle tank truck carry?
3000 gallons
How many gallons does a 3 axle tank truck carry?
5000 gallons
How many gallons does a full semi trailer hold?
9000 gallons
How much may a large fuel tank weigh?
Large fuel tanks weigh up to 80,000 pounds
What is the capacity of fuel vacuum trucks?
Fuel vacuum trucks have a capacity of 2500 to 5000 gallons
Actually carry 400-500 gallons less than rated capacity to allow for vapor space.
What information is needed when ordering vacuum trucks from metro?
Metro needs to know the type of fuel, amount of fuel, and number of vacuum trucks needed
Tank trucks transport what percentage of fuel that is consumed by vehicles?
90%
Lafd also regulates the transportation of flammable liquids and combustible liquids through what division in the fire code?
Div 38
According to training bulletin 4 - gasoline tank truck/trailer incidents, the aluminum tanks are thickest where?
The bottom, 3/16
Most tanks have 2 to 4 compartments, with single bulkheads separating the compartments. When might you find double bulkheads and why?
Carrying different types of flammable product with different flash points, i.e. Diesel and gasoline
The void space between the bulkheads can carry up to how many gallons of product?
200 gallons
True OR False,
The best why to determine the amount of product in a tanker is through the driver or the shipping manifest
True
Tankers pressure relief devices are set to maintain what psi? Is BLEVE a consideration at tanker fires?
3-5 psi
No , BLEVE should not be a consideration
Plan for a ______minute supply of concentrate for suppression operations •Plan for an extra _____minute supply of concentrate for foam blanket maintenance.
15min
15 min
Gasoline will burn at a rate of what per hour, regardless of the surface are area?
1 foot per hour
Who assumes command of tanker incidents on private property from beginning to termination?
Lafd
Vacuum trucks are classified into 3 categories, dirty, clean and super clean. When ordering a vacuum truck, which one do you want to order?
Clean - super clean is unnecessarily expensive
What is the main purpose of a baffle ?
What is the main purpose of the head or bulkheads?
Baffles are basically a partition in a tank that are not airtight, main purpose is for strength
Heads/bulk heads are liquid tight closure at the end of cargo tank or in between compartments used to separate products
Tanks have how many compartments?
2-4
How long are the hoses on the vacuum trucks?
(2) 25’ sections. Total 50’
In what position are fuel tanks the strongest?
Upright
On tanker cars carrying flammable liquids, where are the emergency switches used for emergency shut down usually located?
At the left front corner or at the main panel on the right side
According to training bulletin 4, prior to shutting off the battery or disconnecting the battery terminal, the area should be what percentage below the LEL of the liquid?
10%
According to training bulletin 4, what hose line should be used for tires involving vehicle tires?
1 1/2
125 gpm
According to training bulletin 4, vacuum trucks can hold what percent of their rated capacity?
90%
According to training bulletin 4, if using the exhaust method for vapors, vapors shall be directed how many feet away from any possible ignition source?
50 feet
How much heavier are gasoline vapors than air?
3-4 times heavier than air
Who is responsible for the cleanup of a spill on city streets?
Owner of the tanker truck
Spills less than how many gallons are NOT required to be reported as HAZMAT incidents to the STATE?
42 gallons
