RE: [PipingDesign] Hydrostatic Test for PE100 pipeline

From: <elie>
Date: Tue Jul 19 2005 - 09:31:00 EDT

The second web address you provided is dead.

> fyi I noticed some issues dealing with internal
> "beads" and conditions were perhaps coincidentally
> discussed recently in an engineering forum thread at
>
>

http://www.eng-tips.com/viewthread.cfm?qid=124331&page=3,
> as well as some underground internal inspections for
> fusion joint conditions (and cracking etc.) with
> cameras discussed in a past paper though now online
> at
>

http://www.pipe-line.com/archive/archive_99-09/99-09_ldc-romero.htm.
> Randy Conner
>
> -----Original Message-----
> From: PipingDesign@yahoogroups.com
> [mailto:PipingDesign@yahoogroups.com]On Behalf Of
> elie altawil
> Sent: Monday, July 18, 2005 7:50 AM
> To: PipingDesign@yahoogroups.com
> Subject: Re: [PipingDesign] Hydrostatic Test for
> PE100 pipeline
>
>
>
> Pick a pig (with a P) that will not hang by the
> internal beeds. Use a pig with an internal cavity
> and an electronic tracer for a long pipeline.
> Take into account pressure due to static head of
> test medium even if you are using gas (air or
> nitrogen) for the hydrotest. Potential problems: If
> your test location is lower that the highest point
> in the pipeline, the highest point may not reach the
> minimum acceptable test pressure. Don't
> underestimate!
> Under what ASME/? code are you testing the
> pipeline? B31.1/ .3/.4/.8 or AWWA?
>
> Cheers, ET, PE.
>
>
>
> Ashraf Farouk <ashraffrk@yahoo.com> wrote:
>
> Please,
>
> I would like to have your advice. If I'll test
> pipeline hydrostaticaly and this line is plastic
> pipes P.E100. Is there any specification that say I
> have to remove the internal beed in the butt fusion
> joints before pushing bigs in the line.
>
> Thanks& Best Regards
>
>
>
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