Re: Hi-Lo Piping FitUp

Tell the contractor to look in to a flange fitup tool made by mathy dearman even at the high price tag they sell for thhey are worth it if they avoid a situation like this.
If you want more info on the tool let mew know.

Austin
Lion Heart Welding

On Saturday, October 20, 2001, at 11:32 PM, SARE, RALPH H. wrote:

> right. we did perform the risk assessment and have consider also the
> "business" side. Like id said before i went over the xray film, check
> fitup
> and workmaship, the service, operating temp and pressure and went over
> case
> histories (failure). The math is simple, id just consider the loading as
> cantilever (overhung , concentrated load due to the weight of the
> flange and
> valve). Its not subjected to cyclic load, service is water and failure
> mode
> is leak before break - something that we can handle in case it happen.
> part
> of the insurance is the sleeve to reinforce the weld joint and regualr
> monitoring plus the tel-tale hole. Decision was left eniterly to the
> senior
> management with me providing the technical input.
> One thing i didn't do is plead the case to accept the bad weld. . What's
> really in my mind at that time is the probability that usch break will
> happen and the cosneqeunce of such an event. This is where the FMEA 
> tools
> comes in handy. Worst thing that can happen is a break in a joint -
> consequence is a plant shutdown (no injury and no property loss due to
> its
> remoteness).and lose 2 days. But if it carries us over the next shutdown
> then we gain the 2 days
>
> > ----------
> > From:       Christopher Wright[SMTP:chrisw@skypoint.com]
> >
> >
> > If I were gonna do something like this
> > I'd sure do my homework first.
> >
> > Christopher Wright P.E.    |"They couldn't hit an elephant from
> > chrisw@skypoint.com        | 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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[Non-text portions of this message have been removed] Received on Sun Oct 21 18:00:00 2001