Storm drain piping

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    • 10 Aug 2005 at 12:54 pm #279513
      Avatar photoMasterPlumbers
      Keymaster

        I need roof drain pipe sizing charts for sizes greater than 15 in.

      • 10 Aug 2005 at 10:46 pm #301070
        Avatar photoRetired plbg1
        Participant

          All I could find is that you have to fig. by the rain fall in your area, its in the UPC & Ipc code book. Multiplying thelisted GPM / Sq. ft.by the roof area being drained by each inlet ( In sq. ft.) produces the the gal. per min. of required for sizing each inlet. I would contact a Plbg. Eng. if it is inportant, let me know.


          Art retired plbg

        • 10 Aug 2005 at 11:03 pm #301071
          Avatar photoRetired plbg1
          Participant

            Go to http://www.google.com they have charts for storm water drainage. let me know.


            Art retired plbg

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