This Subsection contains requirements for the material, design,fabrication, examination, testing and overpressure protection ofitems which are intended to conform to the requirements for Class 3construction. The rules of Subsection ND cover the requirements forassuring the structural integrity of items.

This publication is issued with an automatic addendaservice.  All addenda service publications are issued in looseleaf format to facilitate later insertion of replacement pageswhich incorporate the latest approved changes to thestandard.  Purchasers may wish to purchase a binder from ASME(BPVC Binder), but the publication will alsofit a standard three ring binder.  The addenda serviceincludes all updates issued prior to publication of the nextedition in July 2013.

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