2 FoamSolution of air, water, foam concentrate, and mechanical agitation used to form a floating ‘blanket’ on flammable and combustible liquids. It prevents or extinguishes a fire by excluding air and cooling fuel. Foam also aids in preventing reignition by suppressing flammable vapors.
3 Terminology Foam concentrate - from factory Foam solution - water + concentrateFinished foam solution water + concentrate + mechanical agitation
33 Chesapeake’s First Foam Unit Property of ShellUtilized a dry powder hopper which worked off of a venturi effectCarried A & B foam
34 Foam 35 Donated by the Department of Civil Defense. It carried an extinguishing agent called “Purple K” which is located in the center dome shaped container.It also carried the A & B type foam powder.
35 Engine 6 Chesapeake Fire Department’s third foam unit Manufactured in house by CFD Personnel
36 Foam 12 Foam 12 - 1978 Pem-Fab / National Foam Designed with a balanced pressure system1000 GPM pump275 gal. Water tank128 GPM Foam pump with 550 gallons of Universal GoldCurrently assigned in the Western Branch area
37 Engine 1 1993 Pierce / National Foam Unit Has a balanced pressure system2000 GPM water pump with 500 gallons water250 GPM foam pump with 500 gallons Universal Gold
38 Foam 1 1973 Chevrolet Carries 1400 gallons of XL-3 type foam Also carries a limited supply of foam appliances