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This chapter provides a summary of some of the more significant requirements of the ASME Code Section III, Subsection NE, and a commentary on such requirements. The comments on and interpretation of the rules are strictly the opinions of the authors and are not to be considered as official ASME Code Committee interpretations. These opinions are based on several years of experience in design, analysis, and construction of containment vessels and participation in various ASME Code Committees.
The Code requirements cited may be simplified and abbreviated in this write-up and may not reflect all details of the rules. The applicable edition of the Code must be consulted for actual applications. Some comparisons with the rules of Section VIII are included for information. The analysis procedures are not dealt with in any great detail, since they are similar to those of Subsection NB and Section VIII, Division 2 prior to the 2007 Edition. More emphasis has been placed on the unique features of Subsection NE.
A number of Code Cases and references that pertain to the rules of this Subsection have been cited. Again, only the points significant to the item of discussion have been included here. For a complete understanding, the entire reference should be consulted. This chapter is based on the 2007 Edition of the Code.