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THE
NEW CLASS B FOAM IS IN: AND WE MADE A MESS!!!! |
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October
07, 2007
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Recently the Manassas Volunteer Fire Company decided
to change the foam compliment carried by the engine
company. Up till now, all of our engines, with the
exception of the Foam Engine, carried 25 gallons of
class A foam. The Foam Engine, which is first due to
the largest general aviation airport in the state of
Virginia, carries 110 gallons of class B foam in
addition to 300 lbs of Purple-K. A recent in house
study showed that the majority of foam applications
in recent years were used on class B fires, mainly
on auto fires where the fuel line had ruptured or on
tanker spills. Using class
A foam in a class B situation may lead to unexpected
results, as the class A foams are not designed to
contain the explosive vapors produced by the
flammable liquids.
Since we seldom use foam in class A applications and
have an illustrated requirement for class B foam,
the Chief decided that we should maintain the same
type of foam across the board. And since the parking
lot was in need of a good scouring, the boys laid
down some suds and left the rookie with a scrub
brush and a radio. |
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Manassas Volunteer Fire Company |
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