I agree 100 %.
"SARE, RALPH H." wrote:
> looks like it mark. i have not seen one since the CAD becomes popular. Now
> all i see are iso's (afc approved for construction)- both for shop fab and
> field erection. Flour Daniel, Abb Lummus, Toyo, Mitsu and lot of others do
> show the FW (field welds) symbol. u can't schedule the hydro, nde and
> handover of the system if you can not track all completed field welds . the
> reference is normally the iso's.
> > ----------
> > From: Mark upston[SMTP:mmwind@cnsp.com]
> > Reply To: PipingDesign@yahoogroups.com
> > Sent: 12 June, 2001 6:03 PM
> > To: PipingDesign@yahoogroups.com
> > Subject: RE: [PipingDesign] Piping Erection
> >
> > I agree to specify FFW's at the design stage gets everyone thinking on the
> > same page,
> > expecially close to boilers, pumps, etc to avoid some fitter bolting up a
> > flange
> > and causing alignment problems.
> >
> > Are fabrication shops producing pipe spools are thing of the past?
> >
> > Mark
> >
> > -----Original Message-----
> > From: Gerardo Delgado [mailto:gdelgado@tecnoconsult.com]
> > Sent: Monday, June 11, 2001 4:01 PM
> > To: PipingDesign@yahoogroups.com
> > Subject: Re: [PipingDesign] Piping Erection
> >
> >
> > I totally agree. It is not a waste of time. Put them on the isos!
> > Gerardo
> >
> > geoff.stone@lendlease.com.au wrote:
> >
> > > It depends on the project. I have had cases where the shop fabricator
> > was
> > a
> > > differnent organisation to the installation contractor. Off shore work
> > is
> > > invariably like this. I have normally got an experienced supervisor or
> > foreman
> > > to mark up the isos at checking stage for the FFWs. In the contract
> > documents
> > > you can always allow the fabricator/field installer to change the FFWs
> > if
> > they
> > > are one and the same.
> > >
> > > Many contractors do not produce shop spool drawings these days
> > preferring
> > to
> > > work directly from the isos. They may not even have a spooling shop
> > rather
> > > erecting a temporary area at site.
> > >
> > > I do not think this level of detail is a waste of time if you use
> > experienced
> > > resources to put on the information. Even if the field guy has a
> > different
> > > opinion to where FFWs go it does not mean they are right or any smarter
> > than the
> > > designer.
> > >
> > > "Paul Bowers" <pbowers@pipingdesign.com> on 08/06/2001 09:26:26
> > >
> > > Please respond to PipingDesign@yahoogroups.com
> > >
> > > To: <PipingDesign@yahoogroups.com>
> > > cc:
> > >
> > > Subject: [PipingDesign] Piping Erection
> > >
> > > Just wondering what the general consensus is on this, me not being
> > > a fab guy.
> > >
> > > Should field weld and field-fit welds be indicated on the piping
> > > isometric (I'm not referring to spool sheets)?
> > >
> > > Since it is the piping fabricator who will be installing the
> > > system, aren't they in a better position to determine where to
> > > break up the line? I suspect that most effort put into specifying
> > > FWs and FFWs is wasted.
> > >
> > > Paul
> > >
> > >
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