Abstract

JOHNSTON, K.S.  and  AMADI-ECHENDU, J.E.. User specifications for pressure vessels and technical integrity. S. Afr. J. Ind. Eng. [online]. 2008, vol.19, n.2, pp.163-170. ISSN 2224-7890.

Specifications translated from user requirements are prescribed in an attempt to capture and incorporate best practices with regards to the design, fabrication, testing, and operation of pressure vessels. The question as to whether these requirements affect the technical integrity of pressure vessels is often a subjective matter. This paper examines typical user requirement specifications against technical integrity of pressure vessels. The paper draws on a survey of a convenience sample of practising engineers in a diversified petrochemical company. When compared with failures on selected pressure vessels recorded by Phillips and Warwick, the respondent feedback confirms the user specifications that have the highest impact on technical integrity.

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