For QA purposes, what do we need to record when jointing or repairing a GRP piping system?

TWI Frequently asked questions

• date
• joint type
• identification number of the joint or connection
• location and details of maintenance work (for repairs)
• temperature
• relative humidity
• cure time and temperature
• name of fitter and signature
• name of supervisor and signature
• name of inspector and signature
• bolt torque (mechanical joints)
• electrical continuity and resistance to earth (if appropriate)