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Standpipe GPM?

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  • ffmedcbk1
    replied
    Originally posted by fire49 View Post
    Read Nfpa 14 for the set up on a standpipe

    If you are talking in a building I think it is 500 gpm out of one and 250 gpm out of all others
    that is correct.... just did that in the hydraulics class last night. (500 gpm w/ 100 psi at the top discharge without fd supply, otherwise they are required to have a fire pump)

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  • MemphisE34a
    replied
    Originally posted by Iessthename View Post
    usually about 65 PSI. remember to keep in mind PRV's
    Are you seriously the same guy that pm'ed me the following:

    Originally posted by Iessthename
    You immature southern fool. way to represent the rest of us in the country who know how to keep our mouths shut. You make us look like a bunch of malcontent yokels.
    Wow. When you get done with your tutor, send her my way.

    To the original poster......yes.
    Last edited by MemphisE34a; 09-28-2010, 10:23 PM.

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  • Iessthename
    replied
    usually about 65 PSI. remember to keep in mind PRV's

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  • fire49
    replied
    http://tn.gov/commerce/sfm/documents...opdrawings.pdf

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  • fire49
    replied
    Read Nfpa 14 for the set up on a standpipe

    If you are talking in a building I think it is 500 gpm out of one and 250 gpm out of all others

    Leave a comment:


  • nmfire
    replied
    Right. Just keep turning the red knob up until steam comes out the windows.

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  • ChiefKN
    replied
    Originally posted by CrnkB8 View Post
    Basically GPM=29.7 x D² x √P.
    I usually do that math in my head.

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  • CrnkB8
    replied
    Yes. Calculating GPM is based on pipe or hose diameter and the pressure at which water is being force through these.

    Basically GPM=29.7 x D² x √P. So, your formula would be 29.7 x 2.5² x √50

    Even at 50 psi, an open butt 2½" should flow almost 1300 gpm

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  • Dibbs12
    started a topic Standpipe GPM?

    Standpipe GPM?

    Can you get enough water into a type I standpipe to supply 2 2.5 inch hoses both flowing 325 gpm?

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