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Percival Nakashima-Thorne

Certified Welding Inspector (CWI)
Baton Rouge, LA, United States

Professional Summary

AWS Certified Welding Inspector with 11 years in petrochemical, pipeline, and structural steel QA/QC. Leads visual and NDE-backed inspection programs to ASME B31.3, API 1104, and AWS D1.1, cutting weld repair rates and keeping turnaround and new-build projects audit-ready. Known for clear WPS/PQR review, welder qualification, and calm, code-first calls on the shop floor.

Employment History

Senior Welding Inspector (QA/QC)
Gulf Reach Process Constructors · Baton Rouge, LA
Mar, 2020
Lead weld inspection for $180M refinery unit expansion, overseeing 14,000+ butt and socket welds to ASME B31.3 Normal and Category M service. Cut weld repair rate from 4.8% to 1.6% in 18 months by tightening fit-up hold points and coaching 60+ pipe welders on root-pass technique. Review and approve WPS/PQR packages and qualify welders per ASME Section IX; maintain continuity logs for 120 active welders. Coordinate RT, UT/PAUT, MT, and PT subcontractors; review film and reports and disposition indications against code acceptance criteria. Own turnover documentation (weld maps, NDE tracking, PWHT charts, hydrotest packages) with zero client audit findings across three turnarounds.
Welding Inspector
Bayou Midstream Pipeline Services · Lake Charles, LA
Jun, 2016 · Feb, 2020
Inspected mainline and tie-in welds on 42 miles of 24-inch gas transmission pipeline to API 1104 and 49 CFR 192. Verified preheat, interpass temperature, consumable control, and coating repairs; issued daily inspection reports to owner reps. Ran welder qualification tests for 35 crews, reducing first-attempt failures by 30% through pre-test bend coupon reviews. Partnered with field engineering on NCR root-cause analysis, closing 95% of non-conformances within 10 days.
Structural Welder / QC Technician
Red Stick Steel Fabricators · Baton Rouge, LA
Aug, 2013 · May, 2016
Fabricated and welded structural steel (SMAW, FCAW, GMAW) for industrial pipe racks and platforms to AWS D1.1. Promoted to QC technician; performed visual inspection, MT, and dimensional checks before shipment. Maintained material traceability records and mill test reports for 2,500+ tons of shipped steel.

Education

Associate of Applied Science, Welding Technology
Baton Rouge Community College · Baton Rouge, LA
Aug, 2011 · May, 2013
Coursework in metallurgy, blueprint reading, and NDE fundamentals; graduated with honors.

Skills

Visual Weld Inspection (VT)
ASME B31.3 & Section IX
API 1104
AWS D1.1
WPS / PQR / WQR Review
NDE Interpretation (RT, UT, MT, PT)
PWHT Verification
Hydrotest Documentation
NCR Root-Cause Analysis
Welder Qualification Testing
Blueprint & Isometric Reading
SMAW / GMAW / FCAW

Courses

AWS Certified Welding Inspector (CWI)
American Welding Society
Issued 2017. Covers weld inspection, codes and standards, welding processes, metallurgy, and destructive/nondestructive testing.
ASNT SNT-TC-1A Level II: MT and PT
Employer-certified per ASNT SNT-TC-1A
Issued 2018. Magnetic particle and liquid penetrant testing, technique sheets, and indication evaluation.
API 1169 Pipeline Construction Inspector
American Petroleum Institute
Issued 2019. Pipeline construction inspection, safety, environmental, and quality requirements.
OSHA 30-Hour Construction
Occupational Safety and Health Administration
Issued 2015. Construction safety, hazard recognition, and fall protection.

Languages

English · native
Japanese · intermediate