Inspection and Test Plan for Pressure Vessel 

This page provides a sample inspection and test plan for pressure vessel which is used in manufacturing shop for inspection and testing. 

Inspection and Test Plan for Pressure Vessel 

You may also want to review pressure vessel inspection and pressure vessel inspection procedure/instruction articles. The ASME Code Section VIII Div. 1 or 2 requirements normally are applied for inspection and test plan in pressure vessel manufacturing shop. The witness of some inspection and test by third party inspector or authorized inspector is mandatory and cannot be waived.

The Pressure Vessel ITP is covered in the I4I Academy Source Inspector Course. The API 510 Pressure Vessel Inspector Course covers inspection and testing requirements after a pressure vessel is placed in service.

pressure vessel inspection and test plan

Some others can only monitored and fully witnessing are not necessary, for these items, the inspection man-days etc. depends to the purchaser decision, some prefer stringent monitoring and even assign resident inspector in pressure vessel manufacturing shop and some others relay to quality control system of the pressure vessel manufacture and assign only few days for monitoring points.

These are some of inspection points which need to be witnessed, checked monitored and reviewed by third party or ASME authorized inspector.

The ASME Training Course is 5 days video training course and available online and the student that successfully pass the exam, receive I4I academy certificate with 40 hours training credit. 

Inspection and Test Plan for Pressure Vessel - Important Points

  • All plates need to be identified against mill test certificates at the Vendonr`s works before commencement of fabrication.
  • Ensuring that welding procedure and welders are qualified and welding electrodes are approved before commencement of fabrication.
  • Selection of location for spot radiography
  • Reviewing of radiographs
  • Witnessing of hydrostatic test
  • Dimensionally checking and carrying out final internal and external inspection for quality of workmanship.
  • Checking that all material test certificates and, where applicable, heat treatment charts are in order
  • If specified witnessing any crack detection, hardness checks, ultrasonic tests etc.
  • Checking fit-up and chipping-back of welded seams.
  • Monitoring welding process based WPS
  • Monitoring all NDE activities
  • Ensuring that Vendor is familiar with the requirements regarding data books and ensure that the documentation is submitted without any delay.
  • Checking internal lining of reactors and vessels (if applicable) to specifications.
  • Checking trays of each diameter and type, mock assembled in the shop. (for process towers)
  • Checking for interchangeability of parts, where applicable for process towers
  • Ensuring that any uncommon down comers are fully assembled and offered along with their respective trays. (for process towers)


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