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Recent content by QFlow

  1. QFlow

    Siphon Drawdown Pipe Line

    jfp10130: yes, 15-feet is the elevation difference between pond surface and discharge. highpoint to pond surface is approx. 6-feet. An evacuation valve will be placed at highpoint with a valve on the downstream side, for closure and possible throttle. my biggest concern is that the suction side...
  2. QFlow

    Siphon Drawdown Pipe Line

    HELP! Does anyone know of any examples for a siphon design? My project consists of a pond that requires drawdown via a siphon pipe line. Looking at flows=12,000 GPM and pipe diameter of 24" or better. Head is approx. 15 feet. Pipe line length=1000 feet prior to high point and 100 feet downstream...
  3. QFlow

    Daily Flow for Library - Septic System

    Hi Guys, Anyone have daily sewage flows for a library? I am designing a septic system for the library, but our state code does not list flows for a library. Maybe I could use flows for retail (50 GPD per 1000 SF
  4. QFlow

    Flow

    anyone have a rough typical specific gravity value for wastewater sludge? a range will help.
  5. QFlow

    Watershed Analysis to Pond

    I am looking for a practical solution for estimating water inflows to a natural pond; I believe that TR-20 is not the way to go. The pond will need to undergo a drawdown of 2" per day for 10-weeks. I think I would need to do some sort of water budget on a daily or monthly basis. As the pumps...
  6. QFlow

    Flow

    An oil pipeline was constructed to transport an oil with SG=0.8 for a distance of 10 miles. The country was hilly and the line makes many ups and downs. The rolling terrain can be considered 10 rises at 200 ft, followed by descents of 200 ft. When the pipe was completed, water was pumped through...

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