Re: Piping Erection

From: <geoff.stone@lendlease.com.au>
Date: Thu Jun 07 2001 - 19:54:00 EDT

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 <a href="/group/PipingDesign/post?postID=1nSE1-zRd7lbJi1rZWbeIEokKUaCRTZpgxl3a8FenhgK-uR4yz5M4mqQDvu55La7iKsDNHF0Eer4HURNNBvbXLJMIGsNU4M">PipingDesign@yahoogroups.com</a>

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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[Non-text portions of this message have been removed] Received on Thu Jun 07 19:54:00 2001