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Class A Pumper, and CAFS

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  • Class A Pumper, and CAFS

    I have two questions and I am not sure if this is the right forum, forgive me if it is not.

    1) Does anybody know what booster tank size is needed for a "Class A" pumper according to NFPA?

    2) What percentage of foam concentrate does a CAFS require?

    Thanks in advance

  • #2
    To your questions;
    1.) 300 gallons is the minimum water tank capacity.
    2.) A CAFS system typically operates with a concentrate induction rate of between one tenth of one percent to seven tenths of one percent.

    Check out a book on Class "A" foam written by Dominic Colletti of Hale Products for an indepth look at all foam system types and operations.

    I hope this helps.

    Train Hard and Train Safe

    Philip Publicover, Fire Chief
    District #1 Fire Department
    Blandford, Nova Scotia, Canada
    E-mail [email protected]

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    • #3
      Hi.

      In My Dept We Run A CAFS With A 300 Gallon Tank And Depending On The Situation Our Precentage Can Range From .1%(Wet Foam) to 1.5%(Dry Foam). We Run A 'Sunffer' Unit From The Snuffer Corp., You Can Contact Them And They May Be Able To Give You Some More Information About CAFS. Have A Good One And Stay Safe!


      Ryan Duggan
      Barrington Passage FD,
      Barrington, Nova Scotia, Canada

      ------------------
      Be Safe, Use Smoke Detectors....
      Be Safer, Sleep With A Fire Fighter:-)

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      • #4
        I will be able to help in June!! Our new pumper will have a CAFS but we are running with 1000 gallons. Hopefully we won't even have to lay line again hehehe

        ------------------
        This is your brain... Pierce
        This is your Brain on drugs..... E-One
        http://www.nfco1.freeservers.com

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        • #5
          Originally posted by mike021:
          I will be able to help in June!! Our new pumper will have a CAFS but we are running with 1000 gallons. Hopefully we won't even have to lay line again hehehe

          And hopefully your Pierce will work, assuming that's what you bought.

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          • #6
            I can not help with the CAFS question, however I do have a question for a few of the others. It was my understanding that NFPA 1901 states that the minimum tank size for a class A pumper is 500 gallons. If it is not, I was wondering when NFPA changed 1901?

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            • #7
              Yes it is a Pierce. It is a Lance 2000 series with the biggest 10 man cab offered, top mount, rescue and engine style compartments, top bins, light tower. Should be a nice truck once it's up and running.

              ------------------
              This is your brain... Pierce
              This is your Brain on drugs..... E-One
              http://www.nfco1.freeservers.com

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              • #8
                The current NFPA 1901 says 500 gallon water tank on a pumper.

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