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Recent content by Youbinho

  1. Youbinho

    GRP pipe U/G hydrotest

    thanks fpr the reply, i guess i'll opt for the 1.5 x design pressure, and keep it 24h, because it's a big line under ground.
  2. Youbinho

    GRP pipe U/G hydrotest

    - the intake has stop gates and trash racks, so the problem of sea weed and fishes isn't a matter, they're blocked that level. - the diameter of the pipe is 3m - the intake has pumps so the operating pressure is not 0 do you have any idea about pressure test to be done according to AWWA ? and...
  3. Youbinho

    GRP pipe U/G hydrotest

    yes indeed, we're planning to make the test pressure test 1.5x design pressure which is 6 bar for our case. the contractor suggest to use EN 850 standard which only add 1 bar to the pressure of design.
  4. Youbinho

    GRP pipe U/G hydrotest

    Hi everyone, we're installing a GRP (FRP) pipe for see water intake according to AWWA standard, but i can't find specification about the pressure test to be used in the hydrotest neither the holding time. if anyone have an idea about the process of hydrotest for that kind (refering to awwa...

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