TB4 Flashcards
(27 cards)
Primary purpose of baffles in tank trucks
Strength
What size hose line for fire involving vehicle tires?
1.5” 125 gpm
3 basic vehicle tank configurations
Single truck 2 axles 3000 gal.
Single truck 3 axles 5000 gal.
Tractor with 5th wheel-9000 gal.
Tank truck pulling tank 4200+4800 gal.
Void space in tank trucks can hold how many gallons?
200
Tank truck thickness
3/16”
When are tank truck double bulkheads required?
Carrying flammable products with different flash points
How many compartments do tank truck tanks usually have?
2-4
Federal motor carrier standards for gas tankers?
MC306 1968-1993
DOR406 1993-Present
Emergency shutdown of fuel truck is located where
Front left corner and on main panel right side
Tank truck pressure relief devices are designed to maintain what psi
3-5
Before disconnecting battery shut off switch verify area is below what LEL
10%
Who shall handle product offloading
LAFD HAZMAT
Who is ultimately responsible for product removal and clean up?
Vehicle owner
Guidelines for ordering vacuum trucks
Incidents up to 2000 gal. = 1-2500 gal trk
Incidents 2500-4500 = 1-5000 gal. Trk
Incidents 4800 gal. = 2-5000 gal trk.
Incidents up to 9000 gal = 3 5000 gal truck
Vacuum trucks can hold how much percent of the rated capacity?
90 percent
Tank truck and it’s product can weigh how many pounds?
80,000
On tank truck spills IC has authority to request private clean up. Who authorized the request?
Deputy Dept. commander
Plan for an extra ___ minute supply of foam for tank truck incidents
15
Plus original 15 mins
If tank truck owner is not available who assumes financial responsibility?
LAFD
or cal trans if on Highway/freeway
How many gallons of class B foam do foam tenders carry?
1,000 gallons
Gasoline will burn at roughly what rate?
One foot per hour
According to TB 4 what temp will aluminum tanks melt?
1200 degrees
Where should tank truck driver be kept during incident?
At the command post