Is now slowly making its way into the world....

Ah yes, my esteemed Großvater and on Monday I also received the long awaited Addenda to ASME B31.1-2004, Power Piping.

The ASME B31.1-2004, Power Piping Addenda should be closely studied to understand the myriad subtle (and some not so subtle) changes and additions.

Regards, John.

They say B31.3 2006 is out 3/2007 valid from June I assume. In the mean time those who are bored with 2004 should look at:

http://cstools.asme.org/csconnect/CommitteePages.cfm?Committee=N10020400

And read all the errata etc...

I was rather proud to find an error myself!
(Yea im not that thick)

(wall thickness calc units)