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TWI Certification Ltd
What is covered during the audit?

What is covered during the audit?

Information may include:

  • Product type(s)
  • Manufacturing processes
  • Materials and thickness range
  • Forming, machining and cutting facilities
  • NDT facilities
  • Heat treatment facilities
  • Maximum handling size and weight
  • Transportation limitations
  • Personnel
  • Welding co-ordination personnel
  • Sub-contracting (relevant to manufacture)
  • Major use and control of sub-contractors
  • Special equipment/techniques available


If you require further information, please contact us.