Skid fabrication - inspection documents for QC

Following the topic, we would like to share you the quality document for small skid.

Inspection check list

• Procedures and inspection should prepare and included in your hand, NDE procedure, NDE map, welding map and NDE plan also prepared.

• You should make a content of procedures for control, type of inspection report, below is sample list of procedure.

Document control

• Too many drawings/ document per each skid, so it should carefully update with latest revision,
• Line list should be updated and control the piping spool number, all spools to be identified in the test package later.
• Shop drawing, document submission to be documented revision number, date of submission, date of return, and approval code, etc.

 Inspection report

• To control and monitor all inspection reports, the assigned coding number should generate before starting issue.

 Welding summary

• For structural steel
• For piping

 Material receiving inspection

• MRIR for piping, bolting, gasket, fitting
• MRIR for consumable
• MRIR for structural steel
• MRIR for electric & instrument
• Material traceability

 Visual inspection

• For piping
• For structure

Dimensional inspection

• Base frame - structure.
• Piping spool, loose items.
• Tie-in point report.

 NDE Reports

• MT/PT reports
• RT/UT reports
• Hardness test, ferrite test (if any)

Coating inspection report

• Blasting and painting inspection report
• Pickling and passivation report
• Holiday test, salt test, dust test, pull of test (if any)

 Testing reportHydrotest & Pneumatic test

• See hydrotest & pneumatic test procedure, prepare the test package, and update the test package.

 Factory acceptance test

• Tie-in point report.

• Bolt tightening report.

• Leak test for instrument air.

• Leak test for pipe system.

• Function test for valve, equipment.

 Packing report

• Important do not miss during inspection: to check all the packing list, listed out all items installed or mounting on skids, spare part items, loose items, location of packing items, protection, preservation, etc.

• Record all packing and photos evident should be kept.

• To make sure all package had been checked and verified by all parties, and signed off in the packing list before moving next stage of the issue "IRN - Inspection Release Note".

 Inspection release note

• The IRN will be issued by Client or their representative inspector will issue it because the inspection point is Hold Point.

• This is an evident document for payment and confirmation that had been inspection before shipping. 

Final Manufacturer data book

• Collect all procedure, instruction used for fabrication and inspection record to the final MDR.
• MDR Index / content will be confirmed with Client before making.
• Construction drawings will be made an as-built for reviewing and approval.
• All outstanding work list should close out or update in the master list for further actions.
• Guide to make a sample MDR.

 Storage and submission

• Retention of document shall follow your quality system, such 3 years or 5 years.
• Document submit eight hard copy or soft copy or both to your client.
• Do not submit via email with many files attached in the email, it should combine into a “.ZIP” folder, not compressed “.RAR” file.
• Submission should use a secured platform such Google One, SharePoint, WeTransfer.