Interpretation Detail  
Standard Designation: BPV Section VIII Div 1
Para./Fig./Table No:
Subject Description: Section VIII, Division 1 (1992 Edition, 1993 Addenda); UG-28 and UG-29
Date Issued: 09/26/1994
Record Number: BC94-131
Interpretation Number : VIII-1-95-13
Question(s) and Reply(ies):

      Question: A cylindrical vessel has a continuous spiral half-pipe jacket extending around the vessel shell, which is attached by welding. May credit be taken, in complying with the requirements under UG-28 and UG-29 of Section VIII, Division 1, for this arrangement in regards to stiffening for vessels in vacuum or negative pressure service when calculating the vessel shell thickness?

      Reply: Yes, assuming the design satisfies U-2(g) with loadings according to UG-19(a) and UG-22.

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