Re: Re:RE: (PipingDesign) Information About flexiable connectors

From: <Dereb>
Date: Wed Oct 31 2001 - 07:06:00 EST

Hello,
the obvious signs are when the pipe does not make contact with the pipe supports local to the tank. The scenario is based on the tank settlement and not the surrounding piperack/pipe supports subsiding! If in fact every thing is subsiding sack the civils guy! lol!
--- "Tushar, Zope " <zope_tushar@fwc.com> wrote:
> Derek,
>
> I agree with you. But how will you come to know,
> when the pipe is
> overstressed?
> During heavy rains, the rate of settlement may be
> more.
>
> Regards.
> Tushar
>
> ____________________Reply
> Separator____________________
> Subject: RE: (PipingDesign) Information About
> flexiable connectors
> Author: "Dereb derebi" <SMTP:dereb1@yahoo.com>
> Date: 10/31/01 3:34 AM
>
> Satish, I agree with Ralph, but would add, depending
> on the configuration of the pipework .... I am
> assumming the pipework is above grade. A vertical
> flanged sacrificial spool piece could be
> incorporated
> into the piping system. When/if the pipework is over
> stressed due to the settlement a new length of
> flanged
> spool piece can be inserted to account for the
> settlement.
> regards.
> Derek Littleford
> --- "SARE, RALPH H." <SARERH@YANPET.SABIC.com>
> wrote:
> > Satish
> > The problem is not the piping but rather the AST.
> > The settlement of the tank
> > is more serious than the routing of the piping.
> Fix
> > the settlement (using
> > API 653 Tank Inspection Code), then maybe u dont
> > have to modify the
> > piping..Currenlty we're doing bottom plate
> > replacement, shell repair and
> > correction of settlement in about 4 process tanks
> -
> > the whole works such
> > NDE, geotechnical survey, CUI, CP upgrade,
> > fitness-for-purpose assessment,
> > etc.
> >
> > My recommendation is check first the mech'l
> > entigrity (suitability for
> > service) of the AST then focus on the piping.
> >
> > > ----------
> > > From: Satish
> N[SMTP:n.satish@pg.siemens.co.in]
> > > Iam doing pipe routing around a water
> storage
> > tank area, in which we
> > > have a settlement of tanks as 150mm,so in order
> to
> > over come
> > > that settlement i may have to do some flexiable
> > routing of pipe,so please
> > > provide some information about the flexiable
> > connenctions which
> > > have to be used for this purpose.this is a cold
> > water service lines.
> > >
> > > regards,
> > > Satish.N
> > >
> > >
> >
>
>
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