Strange! After posting reply to Nabilia for this code I've searched in GOOGLE for this. Then found this! So this is for all.
[url]http://ifile.it/gtc5yso/API%20Spec%2012D%2011th%20edition%202008.PDF[/url]
Plus I found a list of codes for storage tank. I think it will be helpful for personnel related to tanks.
[url]http://ifile.it/dmjufo9/listing_of_standards_and_practices.pdf[/url]
Thanks.
