RE: European code - EN13480

From: <James>
Date: Fri Jan 09 2004 - 06:38:00 EST

-----Original Message-----
From: Paul Bowers [mailto:pbowers@pipingdesign.com] Sent: 08 January 2004 03:39
To: PipingDesign@yahoogroups.com
Subject: Re: [PipingDesign] European code - EN13480

Barbara, then Chris, followed by Paul and Barbara again:

>> >The client has
>> >suggested that we use the new European code for design, although the
>> >plant was originally designed to ASME B31.1.

>> For Section VIII work repair and rehab has to be done to the rules of
the
>> existing Code. I've always felt that mixing Codes is tricky business.

> I agree (for whatever that's worth).

Paul,

Your opinion is always beyond price!

>If it was just a new unit where you
>could use the European codes in isolation and then match up with the
old at
>the battery limits, that might be different.

There is nothing so useful as that in this case. I think this sort of issue is going to be a regular problem in the EU where much of the existing plant is designed to ASME or other national codes. I have no idea if EN13480 take precedence over ASME VIII when tying into existing pipework, it would be nice if it could be sorted out by engineers rather than leaving it to the lawyers!

I mostly work on nuclear plant, which is specifically excluded from EN13480, and we only used to argue over which version of BS806 to use, but there has been a trend towards using ASME III in addition to BS806 for safety critical systems.

Barbara

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