Flammable Liquids Flashcards
Foam Task Force
2 AR Foam Units
1 pump and roll
2 engines
1 BC
One Hazmat Asset
1st due engine on flammable liquid call
Perform Recon
Incidents involving fixed facilities such as distribution centers and storage facilities
Municipal water supplies or onsite commercial water supplies should be used
Amount of finished product per unit flowing (Rule of Thumb)
At Least 1000 gpm of finished product
Outside Resources LDH Trailers
IAD has trailer with 3000ft of 7”
Fairfax City: 900ft of 5” on foam nozzle trailer
1000ft of 5” on foam pump trailer
AFFF-type foams require how many gpm per sqft
Approx 1 gpm foam solution flow for every 10 sqft of burning surface of hydrocarbon-type fuel
Ethanol-blended fuels require what flow
2 gpm per 10 sqft of AR type foam solution for products not in depth
Ethanol-Blended fuels in depth required flow
3gpm per 10 sqft
Fixed Foam systems located at the loading rack shall not
Be used unless it is the only resource available to accomplish the vapor suppression objective
In Conjuction with exposure lines, it is absolutely necessary to?
Support any fixed foam protection system incorporated within the loading rack that has been activated
3rd Engine Flammable Liquids
Maintain at least 1000 gpm supply for foam units
In relation to foam, what does
NFPA 11 Section 4.4.1.1 say
Different brands of the same type of concentrate shall not be mixed