Pressure Vessel and Heat Exchanger Design and Repair Expert

Technical Consultant #2159


  • Mechanical design and analysis of pressure vessels and heat exchangers in the chemical and petrochemical industries.
  • Fitness-for-service evaluations, design of repairs, alteration, performing rerating calculations and specifications in accordance with API-510 and NBIC for existing vessels and heat exchangers.
  • Practice of gasket selection and bolted joint assembly.
  • Design review of EPC (External Pressure Calculations) work for new projects.


Undisclosed Company, Senior Engineering Advisor, Present

  • Asset Integrity Engineer for oil sands upgrade, plant expansion project in Alberta, Canada.
  • Evaluated pressure vessels and heat exchangers damaged during shipment or construction and provided repair procedures.
  • Evaluated existing pressure vessel and heat exchangers for new service.
  • Provide reviews of EPC pressure vessel and tower specification for a new refinery project in Alberta Canada.
  • Assisted with purchase packages for compliance with owner's specifications, ASME Code, and Alberta ABSA regulations, as well as reviews for quality gate approvals.

Union Carbide

Refinery Inspection Engineer

  • Provided minimum thickness calculations for vessels and heat exchangers to assist in determining inspection frequency and retirement date.
  • Assisted in expanding and fine tuning methodology for conducting minimum thickness calculations using computer software.

Computer Software Technical Support Engineer

  • Worked for a major pressure vessel and heat exchanger computer software company as a technical support engineer.
  • Assisted clients with technical issues related to application of the program.
  • Conducted training classes in the use of the program and ASME Code.

Minimum Design Metal Temperature (MDMT) Project

  • Participated in project for MDMT screening of existing vessels to determine MDMT ratings for auto-refrigeration and hydrostatic testing for major chemical manufacturer.

Process Vessel Design Engineer

  • Developed mechanical purchase specifications and checked manufacturers' data for pressure vessels designed in accordance with ASME Code Section VIII, Div. 1 & 2 and heat exchangers in accordance with ASME Code Section VIII, Div. 1 & 2 and TEMA.
  • Developed process vessel project criteria, provided consultation to process engineers and coordinated and expedited vessel designs for UCC and engineering contractors.
  • Implemented new technology related to mechanical design of heat exchangers for use by UCC's pressure.

Vessel Technology Group, Consultant

  • Reviewed technical literature, codes, and industry practices for pertinent information to improve the mechanical design or design methods of heat exchangers.
  • Resolved process vessel issues with vessel manufacturers and design engineering contractors.

Codeware, Inc., Technical Support Engineer

  • Developed and presented training classes in the use of COMPRESS vessel design software.

Undisclosed Company

Co-owner of a patent for a tubular reactor in the U.S. and Europe.

Honors & Publications

Academic and Professional Affiliations

  • Member; American Society of Mechanical Engineers (ASME) and the
  • Member; American Welding Society (AWS)
  • Chair; Subgroup Toughness (BPV II & BPV VIII)
  • Vice Chair; Subgroup External Pressure (BPV II)
  • Member; Subgroup Design (BPV VIII)
  • Member; Subgroup Heat Transfer Equipment (BPV VIII)
  • Member; Repair and Testing (PCC) and Special Working Group Bolted Flanged Joints (SG-D / BPV VIII)


  • B.S. Mechanical Engineering, South Dakota School of Mines and Technology, Rapid City, SD
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