INSULATION

  1. Check that insulation installation is in accordance with specification and AFC drawings.
  2. Check that insulation sealing is completed to prevent the ingress of water or moisture.
  3. Check that access point is provided in accordance with specification for corrosion monitoring.
  4. Ensure that insulation is installed after NDT hydro test and painting is completed. Perform paint touch-up, if required.
  5. Check that the direction of flow/color coding is indicated on the insulation cladding.
  6. Ensure that oil, grease, rust and other foreign matter are removed from the piping outer surface prior to installation of insulation.
  7. Check that longitudinal joints between segments are staggered.
  8. Ensure that the insulation system is provided with 15 mm diameter drain hole for every three meters length and/or follows the approved project insulation specifications.
  9. Check that personal protection items, such as open guard, shield, wire mesh or railings do not obstruct operational access.
  10. Ensure that removable insulation for flanges and valves shall be suitable for quick removal and reinstallation.
  11. Produce a defect list for issuance of punch list.