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Weld Inspection

ITCL cover all aspects of weld inspection for the manufacturing, construction and commercial industries; these also include weld consultancy, quality control and weld testing services.

ITCL employs all levels of CSWIP Welding Inspector.

3.0 Visual Inspector

3.1 Welding Inspector

3.2 Senior Welding Inspector

All of our welding inspectors come with previous welding experience and also have NDT qualifications and experience.

Welder / Procedure Qualification Service

This service includes on or off site welding surveillance, witnessing and qualifying welding procedure qualifications in accordance with all national standards, witnessing and qualifying welder qualifications in accordance with BS EN 287-1 or ASME IX (other standards may be used for qualification if specified by the client).

So what are the duties of a Welding Inspector?

Below are a number of jobs you can expect from an ITCL Welding Inspector.

Before Any Welding takes place.


Ensure that all operations are carried out in complete compliance with local, company, or national safety legislation (i.e. permits to work are in place)


Check specification (Year and revisions)

Check Drawing (correct revision)

Check welding procedure specification and welder approval

Validate certificate of calibration (welding equipment & inspection instrument)

Check material and consumable certification

Welding process and equipment:

Check welding equipment (cable, regulator, oven, quiver etc).

Incoming Consumables:

Check pipe / plate and welding consumable for size, condition, specification & storage.

Marking out preparation & set up:

Check against the welding procedure:

Correct method of cutting weld preparation (pre-heat for thermal cutting if applicable).

Correct preparation (Relevant bevel angles, root face, root gap, root radius, land etc.)

Check pre-welding distortion control (Tacking, bridging, jigs, line up clamp, etc)

Correct level & method of pre heat applied prior to tack welding.

All tack welding to be monitored and inspected

During Welding


  • Whether conditions (Mainly for site work, welding is generally halted when inclement or a habitat is required.)
  • Pre-heat values (Heating method, location and control method)
  • In-process distortion control (Sequence or balanced welding)
  • Consumable control (Specification, size, condition, and any special treatments)
  • Welding process and all related variable parameter (Voltage, ampere, travel speed, etc)
  • Welding and/or purging gasses (Type, pressure/flow and control method)
  • Welding conditions for root run / hot pass and all subsequent run, and inter-run cleaning.
  • Minimum and/or maximum inter-pass temperatures (Temperature and control method)
  • Check Compliance with all other variables stated on the approved welding procedure

After Welding

  • Carry out visual inspection of the welded joint (Including dimensional aspect if required)
  • Check and monitor NDT requirement (Method, qualification of operator, execution)
  • Identify repairs from assessment of visual or NDT reports.
  • Post Weld Heat Treatment (PWHT) (Heating method and temperature recording system)
  • Re-inspect with NDT/NDE after PWHT (if applicable)
  • Hydrostatic test procedure


  • Repair procedure (Approval and execution)
  • Approval of the NDT procedures (For assessment of complete defect removal)
  • Repair procedure (approval of re-welding procedures and welder approval)
  • Execution of approved re-welding procedure (Compliance with repair procedure)
  • Re-inspect the repair area with visual inspection and approved NDT method.
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Weld Inspection

Weld Inspection

For information on any of our services please contact us on +44 151 356 7118