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Combination Hi/Lo drinking fountain, one fixture or two?

Discussion in 'Plumbing Codes' started by Tim Mailloux, Mar 4, 2019.

  1. ADAguy

    ADAguy Sawhorse

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    Interesting question, what does the plumbing code say as to how to test?
     
  2. ADAguy

    ADAguy Sawhorse

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    Waiting for answers with baited breath, would the same be true when testing residential fixtures that all must be tested while running simultaneously?
     
  3. Rick18071

    Rick18071 Sawhorse

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    The code doesn't say anything about testing when anything else is running. But I never had to wait for anything to stop running to check the height of the stream for a drinking fountain yet. But I guess it could happen sometime, especially if the fire sprinklers are running.
     
  4. Mech

    Mech Sawhorse

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    Test the system how it was designed for "peak" flow (?).

    One method to determine peak flow is to use the Hunter tables / Hunter's method, which does not tabulate every fixture operating simultaneously. Dr. Roy Hunter's method assigns load factors to plumbing fixtures which are tabulated and then converted to a flow rate.

    If I know the sprinklers are running, I would not worry about getting a drink or flushing a toilet. I would be heading for an exit.;):);)
     
    my250r11 likes this.
  5. Rick18071

    Rick18071 Sawhorse

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    Can't find this by googling. If this is just math it won't help with measuring the height of the drinking fountain stream during an inspection.
     
  6. ADAguy

    ADAguy Sawhorse

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    Ah, access rears its head with an unintended consequence?
     
  7. ADAguy

    ADAguy Sawhorse

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    Good Stuff Mark, thank you
     
  8. Rick18071

    Rick18071 Sawhorse

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    None of this answers my question.

    If the water stream on a drinking fountain is not high enough to comply with code do I need to go around the building and shut off all plumbing fixtures that may be running and then check the drinking fountain stream height again?
     

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