In message <DE483FA0DADD1B43B210B558137EAF3A02788E@glkms0009>, dated 
Wed, 21 Feb 2007, "Hudson, Alan (UK)" <[email protected]> 
writes:

>The latter is what confuses me - a fixed installation could be there 
>for 20, 30, even 50, years. So you have to keep the "fixed 
>installation" documentation forever, but the "apparatus" documentation 
>for only 10
>years?
>Or am I misreading it all (likely!).

No, you are not misreading, but I think you are misinterpreting. You 
have to keep the installation documentation **up-to-date**, but not keep 
what it was like 50 years ago. What it was like 50 years ago can't 
affect any EMC matter now.

This is not the same as the apparatus documentation, which has to be 
kept up to date but **retains** all the history. An early version of a 
product, that is still in use, COULD affect an EMC issue now.
-- 
OOO - Own Opinions Only. Try www.jmwa.demon.co.uk and www.isce.org.uk
There are benefits from being irrational - just ask the square root of 2.
John Woodgate, J M Woodgate and Associates, Rayleigh, Essex UK

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