Interpretation Detail  
Standard Designation: BPV Section VIII Div 1
Para./Fig./Table No:
Subject Description: UG-29(c), External Pressure (2001 Edition and 2003 Addenda)
Date Issued: 02/10/2004
Record Number: BC03-1845
Interpretation Number : VIII-1-04-24
Question(s) and Reply(ies):

Question: A pressure vessel is subjected to external pressure and utilizes internal stiffening rings that satisfy all the provisions of paras. UG-29(c)(1), (2), (3), and (4). Is it required to provide either the strut member as shown in Fig. UG-29.1 at location ā€œDā€ or the external stiffener as shown in Fig. UG-29.1 at location ā€œCā€?

Reply: No.

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