QA/QC Welding Inspection
Welding is one of the most critical activities in Oil & Gas projects, especially for pipelines, pressure vessels, storage tanks, structural steel, and process piping.
QA/QC Welding and Fabrication Inspection
Welding is one of the most critical activities in Oil & Gas projects, especially for pipelines, pressure vessels, storage tanks, structural steel, and process piping. Poor welding quality can lead to leaks, cracks, equipment failure, shutdowns, fire hazards, and major safety incidents.
This ensures welds on pipelines, pressure vessels, structures, and fabrication meet quality requirements for strength, integrity, and safety. It covers pre-weld, in-process, and post-weld checks to prevent defects like cracks, porosity, or incomplete fusion.
How Techinspecta supports clients:
TechInspecta provides welding quality control from material receipt to final weld acceptance. We help clients verify that welding activities are performed according to approved procedures, qualified welders, correct materials, and applicable project specifications.
We deploy certified Welding Inspectors (e.g., CSWIP, CWI) to fabrication yards, sites, or vendors. We review Welding Procedure Specifications (WPS), Procedure Qualification Records (PQR), and Welder Qualifications (WQT). We monitor activities, witness tests, and issue NCRs (Non-Conformance Reports) with corrective actions for seamless project handover and regulatory compliance.
Applicable International Standards
We align welding inspection activities with standards such as ASME Section IX for welding procedure and welder qualification, API 1104 for pipeline welding, AWS D1.1 for structural steel welding, and ASME B31.3 for process piping where applicable. ASME Section IX covers rules for qualifying welding, brazing, and fusing procedures and personnel, while API 1104 provides requirements for welding pipelines and related facilities.
Step-by-step process:
Our approach is based on technical accuracy, risk prevention and operational integrity. We begin by understanding the client’s working environment, equipment condition, applicable standards and operational risks. Our team then applies appropriate inspection, testing, certification, NDT and QA/QC methods to identify defects, verify compliance and confirm that critical assets remain safe and fit for purpose.
- Pre-weld: Verify material certificates (MTRs), joint preparation/fit-up, welding equipment, consumables, and environmental conditions. Approve WPS/PQR/WQT.
- During welding: Monitor parameters (current, voltage, travel speed, preheat/interpass temp), cleanliness, and technique. Perform visual checks on root pass.
- Post-weld: Visual inspection for defects, dimensional checks, and release for NDT. Review heat treatment (PWHT) if required.
- Documentation: Compile records, approve repairs if needed, and issue release certificates.
