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Senthilkumar Thaiman

Senthilkumar Thaiman

Senior QA/QC Professional · Welding, NDT, Painting , Insulation ( Fabrication & Field ) · Oil & Gas, LNG, Petrochemical , Onshore/Offshore & Piping , Pipeline

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TiruchirappalliMember since July 14, 2026
QA/QC Welding/NDT/PaintingQuality Management SystemsPressure Vessel Fabrication & InspectionFabrication Dossier ManagementWPS/PQR/WQT
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QA/QC Welding/NDT/PaintingQuality Management SystemsPressure Vessel Fabrication & InspectionFabrication Dossier ManagementWPS/PQR/WQT

About

Distinguished QA/QC professional with 22+ years of progressive leadership across major Oil & Gas, LNG, Pipeline, Onshore/Offshore, and Petrochemical EPC projects with combined values exceeding $6B. Brings more than 15 years of deep fabrication yard expertise spanning piping spool fabrication, structural steel, pressure vessels, storage tanks, process modules, skids, pipe supports, and heavy industrial equipment — with 4 dedicated years in Offshore Topside Fabrication covering fabrication, assembly, welding inspection, dimensional control, NDT coordination, painting/coating inspection, mechanical completion, and client acceptance activities. Along with 5 years of dedicated Pipeline QA/QC experience in welding, NDT, coating, hydro testing, reinstatement and client acceptance.

Proven record with tier-1 clients including ADNOC, British Petroleum, Qatar Gas, Yemen Gas, Ambatovy etc., consistently delivering zero major non-conformances, 95%+ client satisfaction, and a 30% reduction in welding repair rates. Expert in WPS/PQR/WQT qualification, material traceability, fabrication dossier management, ITP/NCR/CAPA implementation, and system handover across the full project life cycle from material receipt through pre-commissioning and final handover. Leads multi-cultural inspection teams of up to 25 across challenging onshore, offshore, remote, and international environments.

Experience

QA/QC Welding, Painting & Insulation Inspector - Maire Tecnimont - UAE

(2024-01 - 2026-03)

Borouge 4 Polymer Facility Expansion (ADNOC)

  • Welding QA/QC: Managed and coordinated welding inspection activities for process piping and fabrication, including fit-up, joint preparation, preheat/inter pass temperature, consumable control, WPS/PQR compliance, welder qualification, visual inspection, PWHT and weld traceability in accordance with ASME B31.3, API standards and project specifications.
  • NDT & Weld Integrity: Coordinated and monitored RT, UT, MT, PT and advanced NDT activities, reviewed NDT reports and weld maps, controlled repair/re-weld activities and ensured complete weld traceability and timely resolution of NDT findings before hydro testing and mechanical completion.
  • Painting & Coating: Supervised coating inspection covering surface preparation, abrasive blasting, surface profile, environmental/dew-point conditions, coating application, DFT, re coat interval, curing and holiday detection, ensuring compliance with approved coating systems, specifications and manufacturer requirements.
  • Insulation QA/QC: Inspected insulation installation for process piping and equipment, verifying insulation material, thickness, installation quality, joints/seams, moisture protection, cladding/jacketing, bands and weatherproofing for hot, cold and personnel-protection services.
  • Integrated Quality & Completion: Coordinated Welding, NDT, Painting/Coating and Insulation inspections with Construction, Engineering and Client/Third-Party teams; managed ITPs, inspection requests, NCRs, punch points and quality documentation, supporting zero major non-conformance on critical process systems and timely mechanical completion.

QA/QC Welding & Piping Inspector – Client Representative - SGS - UK; Madagascar

(2023-10 - 2023-11)

Ambatovy Mining Project, Madagascar (Ambatovy Client)

  • Deployed as independent client representative overseeing contractor quality performance for critical mining infrastructure maintenance; delivered 100% compliance with client acceptance criteria and zero safety incidents.
  • Applied fabrication yard inspection expertise to verify fit-up, welding, and dimensional compliance of pressure vessel and process piping fabrication, ensuring full traceability against project fabrication specifications.
  • Reviewed and approved welding procedures, WPS/PQR records, material certifications, and NDT test reports, ensuring full regulatory compliance and client hold-point sign-off.

QA/QC Coordinator - Boiler Expert Services Team - India

(2019-02 - 2023-08)

Industrial Maintenance & Shutdown Projects (Multi-Site)

  • Coordinated QA/QC activities for maintenance and shutdown operations across 12 facilities, managing teams of 8–12 inspectors and ensuring compliance with ASME Boiler & Pressure Vessel Code standards.
  • Carried out fabrication inspection across 12 facilities covering pressure vessel fabrication, piping spool assembly, structural steel, and heavy equipment; maintained material traceability records and reviewed fabrication dossiers for ASME code compliance.
  • Led root cause analysis (RCA/5-Why) for 40+ non-conformances and implemented CAPA plans that reduced repeat failures by 60% across the portfolio.
  • Developed and maintained digital quality documentation systems, improving document retrieval efficiency by 75% and enabling real-time audit ability.
  • Maintained zero lost-time incidents across the 4.5-year tenure through consistent promotion of integrated quality and safety culture.

Pipeline Welding Inspector (Onshore / Offshore) - MAIRE Tecnimont MET UK - UAE

(2017-07 - 2018-12)

Al Dabiyya Surface Facilities Phase III (ADNOC)

  • Managed QA/QC for a $450M, 370km pipeline project (270km onshore / 100km offshore, 4"–28" API 5L X60 & X65) achieving zero major non-conformances across 15,000+ weld joints.
  • Oversaw piping spool fabrication yard activities including fit-up inspection, dimensional control, weld traceability, and NDT coordination — ensuring all fabricated spools met API 1104 and project specifications prior to field dispatch.
  • Conducted 60+ WQT and PQR verifications, maintaining a 94% first-time pass rate and a 25% reduction in NCR rates versus previous project phases.
  • Implemented parallel NDT inspection workflows, eliminating backlogs and keeping the project on the critical path schedule.
  • Witnessed and documented hydrostatic testing, cleaning, and pigging for 35+ pipeline segments, confirming 100% system integrity prior to handover.

QA/QC Cross-Country Pipeline Welding Inspector - Saipem / Azfen JV - Azerbaijan

(2015-04 - 2017-06)

South Caucasus Pipeline Expansion (SCPX), Azerbaijan (British Petroleum)

  • Led quality inspection for BP's $2B+ SCPX project — 424km of 48" API 5L X70 pipeline across the Azerbaijan–Georgia border — supervising a 15-member team across 18,000+ girth welds with 99.7% first-pass acceptance rate.
  • Supervised fabrication yard inspection for spool pieces, tie-in components, and special fittings — fit-up verification, dimensional control, weld traceability, and NDT review prior to field installation along the 424km corridor.
  • Managed complex inspections including 25+ tie-ins, 40+ road crossings, 8 river crossings, and 12 railway crossings in compliance with API 1104, ISO 13847, and BP quality standards.
  • Reduced welding repair rates by 30% through robust front-end quality control and real-time welder performance monitoring across all active welding fronts.
  • Coordinated hydrostatic testing, cleaning, and pigging across 12 test sections totaling 424km with zero test failures; maintained transparent monthly quality reporting to BP representatives.

QA/QC Welding & Piping Inspector – Offshore Topside Fabrication - Tekfen JV - Azerbaijan

(2011-09 - 2013-08)

Chirag Oil Project (COP), Azerbaijan (British Petroleum)

  • Performed comprehensive QA/QC for Offshore Topside Fabrication covering piping systems, structural steel, equipment supports, pipe racks, modules, and associated offshore facilities — 8,000+ pipe spools and 25,000+ weld joints.
  • Executed full fabrication surveillance from fit-up through welding, dimensional inspection, NDT, blasting, painting, and final client acceptance, ensuring compliance with offshore safety standards and BP specifications.
  • Verified compliance with fabrication drawings, isometrics, WPS/PQR requirements, ASME B31.3, and ASME Section IX across 200+ reviewed welding procedures and qualification records.
  • Coordinated with fabrication shops, construction teams, NDT crews, and BP client inspectors to ensure timely fabrication milestone completion, maintaining 96% first-pass acceptance on critical high-pressure systems.
  • Managed complete fabrication yard quality documentation — fabrication dossiers, weld maps, material traceability records, NDT reports, dimensional control records, and coating inspection reports for all offshore topside structures.
  • Participated in mechanical completion, punch-list clearance, and system handover activities, ensuring seamless delivery to the BP operations team.

QA/QC Welding & Piping Inspector - Gama Turkey - Qatar

(2008-12 - 2010-11)

Qatar Gas QCS QG 3&4 LNG Onshore (Chiyoda-Technip JV)

  • Delivered quality control for a world-class $4B+ LNG facility across 2 liquefaction trains, monitoring compliance with ASME B31.3 and Qatar Gas requirements for cryogenic piping systems operating at -162°C.
  • Participated in fabrication yard QA/QC for LNG piping spools and structural components — fit-up and dimensional inspections, fabrication dossier review, and material traceability coordination for cryogenic and high-pressure systems.
  • Witnessed pressure testing and mechanical completion activities, ensuring all process systems were commissioning-ready with complete documentation and traceability.
  • Coordinated with construction teams to maintain inspection activities on the critical path schedule, enabling on-time handover of process systems to the commissioning team.

QA/QC Welding & Piping Inspector - Gama Turkey - Yemen

(2006-01 - 2008-10)

Yemen LNG Train 1 & 2 (Yemen LNG – Technip France)

  • Provided QA/QC oversight for a $3.5B LNG processing facility across 2 trains — inspecting 12,000+ pipe spools and verifying material traceability for 5,000+ items.
  • Conducted fabrication yard inspection for 12,000+ LNG piping spools: fit-up verification, dimensional control, material identification, weld traceability, and fabrication dossier review — ensuring all components met project specifications prior to installation.
  • Monitored painting and coating applications across the facility, ensuring compliance with NACE and project specifications.
  • Participated in punch-list closure and system turnover for 40+ major systems, facilitating on-time commissioning start-up and developing foundational expertise in LNG facility construction quality management.

QA/QC Inspector - Supreme Excel NDT Services - India

(2004-05 - 2005-09)

BHEL Power Generation Project

  • Performed RT, UT, MT, and PT non-destructive testing and quality inspections on power generation equipment and pressure vessels, building foundational expertise in ASME BPVC and AWS welding standards.
  • Built foundational fabrication yard inspection skills through hands-on QA/QC on pressure vessel fabrication and heavy industrial equipment — fit-up inspection, dimensional verification, material traceability, and NDT witnessing.
  • Developed multi-discipline technical competencies that formed the foundation for a 21+ year international QA/QC career.

Education

Post Graduate Diploma - Welding Technology & Engineering – Advanced welding processes and metallurgy

Skills

Senior QA/QC ProfessionalWeldingNDTPaintingInsulation ( Fabrication & Field )Oil & GasLNGPetrochemicalOnshore/Offshore & PipingPipeline

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