RE: Hydro Test Pressure

From: <SARE>
Date: Tue May 29 2001 - 00:41:00 EDT

your last statement is very true christopher. those jumpers (piping or electrical)and temporary support structure do take a life of their own and become forgotten. these things got to be manage as you have again correctly pointed out. When we adopted the Process Safety Management, monitoring and control of these temporary stuff gets done through the Management of Change program - but the process of docementation is a pain in the neck (even when ERP in place). One has to make sure also that a blind list is develop.

i must add that you dont make a distinction when designing/fabircating/installing a temporary and permanent piping or structure. both should be treated the same and shoudl undergo engineering review.

i have observed the seeming lack of interest in the topic related to the design of piping hanger, rack and support in this forum. this areas have some heavy engineering stuff too and eat a big portion of the piping budget. before the FEA, i remember that there are two hanndbooks that we use - Structural by Kliendike (something) and Design of Weldment by Blodgett.

people dont hold back inofrmation. lets also post subject related to piping failures, quality issues during construction, life cycle cost, material selection, etc.

-----Original Message-----
From: Christopher Wright [mailto:chrisw@skypoint.com] Sent: 28 May, 2001 5:32 PM
To: ?
Subject: RE: [PipingDesign] Hydro Test Pressure

>i also don't agree that u can just use anything u want.
Perhaps I wasn't clear. I didn't suggest that you use any old thing, I suggested you use Code rules. You're not _bound_ (by anything other than common sense) to use Code rules because you're using these as temporary closures which won't carry a stamp. Or maybe I guessed wrong about what you needed the closures for.

>im a p.e. (1984) and not a cowboy. can't afford to be a cowboy,
>the result will be catastropic/disastrous to me and my buddies here. but i
>still need some one to tell me if there was change in the current b31.3
>(else we'll just order it).

I also didn't suggest you were a cowboy, unless you'd use your temporary blind flanges for cribbing or try to leave them in place permanently. Temporary stuff sometimes takes on a life of its own, and it's a good idea to keep track of it carefully so it doesn't end up in the wrong hands. You probably ought to get a copy of the current Code anyway.

Christopher Wright P.E. |"They couldn't hit an elephant from <a href="/group/PipingDesign/post?postID=hncqHXTbGDOIcwXd3BXidIoF741lIt17IQcfDPHns82QWSo0gao8k4RvZmAavmTVwZpo3bb44qiQjpA">chrisw@skypoint.com</a> | this distance" (last words of Gen.

___________________________| John Sedgwick, Spotsylvania 1864)

<a href="http://www.skypoint.com/~chrisw">http://www.skypoint.com/~chrisw</a>

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Your use of Yahoo! Groups is subject to <a href="http://docs.yahoo.com/info/terms/">http://docs.yahoo.com/info/terms/</a> Received on Tue May 29 00:41:00 2001