Nathan Barkley

Engineering Advisor @Becht

Highlights of experience and activities include: • SME in design and certification of ASME Boiler and Pressure Vessel Code Section Divisions 1, 2, and 3. • Working knowledge and experience with ASME B31.3 Process Piping, API storage tanks (API 620, 650, & 653), API fixed equipment standards (API 510, 570 and 653), API 579-1/ASME FFS-1 Fitness for Service, ASME PCC-2 repairs, and NBIC NB-23. • Completed numerous projects for the rerate or alteration of pressure vessels per API 510 or NBIC NB-23. • Developed repair/alteration plans and provided technical oversight as Certifying Engineer for ASME Div. 2 equipment. • Performed bolted joint flange assessments and troubleshooting utilizing ASME PCC-1 Appendix O, WRC Bulletin 538, Div. 1 Appendix 2, and Div. 2 Part 4.16. • Performed Level 1, 2, and 3 fitness for service assessments, detailed pressure design calculations, lifting calculations, and design by analysis (FEA) for complex geometry, fatigue, creep, vibration, and other failure modes. • Provided general turnaround support for refinery and chemical facilities. • Supported capital project work to replace FCCU Reactor and Regenerators and other complex equipment. • Performed fabrication shop assessments for capabilities and quality. • Proficient in a variety of design, analysis, and drawing/modeling software packages.