P.A. Henry, P.E.: About the Author
Principal Mechanical Engineer, The Equity Engineering Group, Inc.

P.A. Henry, P.E.

Mr. Henry is actively involved in the development of technology for the API Risk-Based Inspection (RBI) methodology.  He is a lead investigator of the re-write of API 581, Risked-Based Inspection Technology.  He is responsible for the development and implementation of Risk-Based Inspection programs.  Mr. Henry has developed methodologies within API 581 for consequence analysis, pressure relief devices, and heat exchanger bundles.  Mr. Henry is a certified instructor for the API 580/581 course on Risk-Based Inspection.

Mr. Henry is responsible for engineering consulting services in the areas of Pressure Relief, Heat Transfer, and Fluid Flow.  He is a specialist in the design, installation, sizing, and selection of pressure relief devices and relieving systems, is currently Chairman of the API Pressure Relieving System Subcommittee’s Task Force, and is the master editor of API 520.  He conducts audits of pressure relieving systems to ensure compliance with OSHA, PSM legislation, and ASME, API, and DIERs Standards, Codes and Publications.  He also teaches the official API Pressure Relieving Systems course.

Mr. Henry provides technical support and engineering consulting to all levels of refinery capital projects.  He has been responsible for the preparation of purchase specifications, bid tabulations, design reviews, and the development and validation of approved vendor’s lists.  He conducts project safety reviews for construction and pre-startup phases of major capital projects.  His responsibilities include developing and maintaining engineering specifications in the pressure relief and heat transfer areas, and providing overall coordination.  Mr. Henry has significant experience with the design and analysis of in-service fixed equipment.  He has been responsible for rerating vessels to the ASME Code and NBIC and has applied Fitness-For-Service assessments in accordance with API RP 579.  He has provided problem-solving support during numerous refinery shutdowns.

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Published Articles

May/June 2010 Inspectioneering Journal

This article describes the API Risk-Based Inspection (RBI) methodology for pressure relieving devices (PRDs) as detailed in the soon to be released 2nd edition of API 581 "Base Resource Document On Risk-Based Inspection" This methodology has been successfully used at several petrochemical facilities to establish risk-based inspection intervals for PRDs.

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