Flashcards in Training Bulletin #4-Gasoline Tank Truck Incidents Deck (21)
What are the primary considerations on these incidents?
Life, property, environment (LPE)
Where does LAFD regulate tank trucks?
Fire Code- Division 38
What are the three basic vehicle-tank configurations and gallons carried by each?
-Single tank truck with two or three axles: 3,000-5,000 gallons
- Tank tractor with a semi-trailerr connected by fifth wheel: 9,000 gallons (40 ft tank)
-Tank truck pulling two-axle trailer: 4,200 gallons (truck tank), 4,800 gallons (trailer tank), total 9,000 gallons.
What are tanks made of and how thick are they?
Aluminum: 3/16" thickest part on bottom. (Thinner at top)
Where are emergency shutdown switches located?
-left front corner
- main panel on right side
When is an offensive attack employed?
When there is an immediate life hazard and/or there is enough personnel, apparatus, equipment, and foam on scene to distinguish the fire.
When would use of plain water only (no foam) be acceptable on these incidents?
When there is an immediate life hazard/rescue when foam is not available or when foam use would cause an unacceptable delay in rescue.
When should extinguishing operation take place?
When apparatus, personnel, equipment, and foam are set and in place.
How much class B foam do foam tenders carry?
When should a second foam tender be dispatched?
Once one foam tender is added, a second should be added as well.
What not to do when applying foam?
Do not drive streams beneath surface of liquid
When is defensive attack employed?
When there is no life, exposure or environmental hazards and /or when insufficient staffing and equipment to perform offensive attack. (Idea is to let fire burn itself out.)
Aluminum tanks begin to melt at what temperature?
1,200 degrees F
At what rate does gasoline burn?
1 ft/hour vertically regardless of surface area (Ex. 4 ft high, burn 4 hours)
How much can vacuum trucks hold?
Up to 90% their rated capacity (dependent on weight of product and required vapor space)
When would a 2,500 gallon vacuum truck be needed?
Up to 2,000 gallon spill
When would a 5,000 gallon vacuum truck be needed?
2,000-4,500 gallon spill
What are the three categories of vacuum truck cleanliness?
Dirty, Clean, Super Clean
What constitutes a dirty truck?
Tank empty of product, but has not been cleaned.
What constitutes a clean truck?
Tank empty and has been washed with water only, with possible traces of product left from previous load.
* What LAFD requests due to safety and cost compared to the other two.