Welding Inspector - Duties during welding

Site/field welding:
Ensure weather conditions are suitable/comply with Code (conditions will not affect welding).

Welding process:
In accordance with WPS.

Preheat (if required):
The Minimum temperature is being maintained in accordance with WPS. Interpass temperature:
The maximum temperature is in accordance with WPS.

Welding consumables:
In accordance with WPS and being controlled as the procedure.

Welding parameters:
Current, volts, travel speed are in accordance with WPS.

Root run:
Visually acceptable to Code before filling the joint (for single sided welds.

Gouging/grinding:
By an approved method and to good workmanship standard.

Inter-run cleaning:
To good workmanship standard.

Welder:
On the approval register/qualified for the WPS being used.

Duties before welding

  • Verify that the material is
    – in accordance with drawing / WPS
    – identified and traced to a test certificate
    – in suitable condition (free from damage and contamination)
  • WPS is approved and available to welders (and inspectors).
  • Welding equipment is in suitable condition and calibrated as appropriate.
  • Weld preparations are in accordance with WPS (and/or drawings).
  • Identification of welders qualification for each WPS to be used and all welder qualification certificates are valid.
  • Welding consumables to be used are
    – as specified by the WPS
    – stored/controlled as specified by the QC procedure.
  • Joint fit-ups are in accordance with WPS / drawings
  • Tack welds are acceptable per standards, code or WPS.
  • Weld faces are free from defects, contamination, and damage.
  • The minimum temperature for Preheat (if required) is in accordance with WPS.

Duties during welding

  • Ensure weather conditions are suitable / comply with Code (conditions will not affect welding) when on-site / field welding.
  • Welding process must be in accordance with WPS.
  • Preheat (if required) minimum temperature is being maintained in accordance with WPS.
  • Inter-pass temperature maximum temperature is in accordance with WPS.
  • Welding consumables are in accordance with WPS and being controlled as the procedure.
  • Welding parameters e.g. Current, volts, travel speed are in accordance with WPS.
  • Root run is visually acceptable to Code before filling the joint (for single sided welds).
  • Gouging / grinding only allowed by an approved method and to good workmanship standard.
  • Inter-run cleaning must be at good workmanship standard.
  • The welder is on the approval register /qualified for the WPS being used.

Duties after welding

  • Each weld is marked with the welder’s identification and is identified in accordance with drawing/weld map.
  • Ensure welds appearance is suitable for all NDT (profile, cleanness, etc) and visually inspect welds and sentence in accordance with Code.
  • Check to ensure the dimensions are in accordance with drawing/Code.
  • Ensure any modifications are included on as-built drawings.
  • Ensure all NDT is complete and reports are available for records.
  • Monitor repair work in accordance with the procedure.
  • Monitor PWHT process (if required) for compliance with the procedure (check chart record).
  • Ensure test equipment for Pressure/load test (if required) is calibrated. Monitor test to ensure compliance with procedure/Code and ensure reports/records are available.
  • Ensure all reports/records are completed and collated as required.

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