Welding QA/QC Services

Ensuring Precision and Integrity in Every Weld, Every Time

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GQS Project Life Cycle

  • Engineering & Design
  • Manufacture
  • Construction & Installation
  • Operation & Maintenance

    • At GQS, we help you maintain the highest standards in manufacturing and repair by providing quality assurance for plant integrity, safety, and compliance with project specifications.

    Welding QAQC involves a range of observation techniques and activities to ensure quality requirements are met. This includes working through Inspection and Test Plans (ITPs) and verifying:

    • Welders are suitably qualified.
    • Welding procedures and parameters align with material and project specifications.
    • Welding consumables are correctly prepared.
    • Material traceability and document control are achieved.

    GQS provides fabrication and piping inspections in accordance with leading standards, including AS 4458, AS 4037, AS 1210, AS 3920.1, AS 4041, AS/NZS 1554.1, AS/NZS 3992, AS 2885.2, ASME B31.3, and DNV-OS-F101.

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    Our Welding QAQC Process

    • Qualification and Oversight
      • Verifying personnel qualifications and overseeing welder/welding operator qualification tests.
    • Material and Consumable Control
      • Identifying and managing project materials and consumables to ensure compliance.
    • Process Verification
      • Ensuring fabrication is conducted within project tolerances, specifications, and procedures.
    • ITP Implementation
      • Executing project Inspection and Test Plans to monitor all stages of the welding process.
    • Traceability
      • Identifying, marking, and recording weld joints for full traceability.
    • Parameter and Temperature Checks
      • Ensuring welding procedures, parameters, pre-heat, and inter-pass temperatures are correct and consistent with the welding procedure for the material being fabricated.
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    Welding QAQC

    Welding Procedure Specifications (WPS)

    GQS develops and qualifies Welding Procedure Specifications (WPS) that meet applicable standards and client specifications before production welding begins.

    The WPS is a formal document that describes the welding process, ensuring repeatable, high-quality welds. It provides welders with clear, practical instructions to produce consistent, sound welds.

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    Our WPS Development Process

    Procedure Development

    Creating and qualifying welding procedures tailored to project needs.

    Code Compliance

    Ensuring compliance with codes, including NDT requirements, mechanical testing, and procedure qualification documentation.

    Welder Guidance

    Delivering clear, practical written instructions for welders and welding operators.

    Process Control

    Monitoring and managing welding activities to ensure consistent, high-quality welds that meet project requirements.

    Close up of weld

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