Quote Originally Posted by cosmo11 View Post
Hi, I think that A6 reference talks about tollerances for manufacturer or for purchaser for structural steel. So I don't think that these tablea can be used for erection tollerances of vessels, but I would like to konw yours opinion.

Thanks a lot
Hi, did you find a specific phrases which mention that the standard are used for manufacturer and or purchaser only?
IMHO since no phrases mentioned, we still can use the standard.
I used that standard for erection of site erected storage tank, and site erected tanks is different with pressure vessel.