Interstitial Pressure Decay Test

  1. The technician will ensure the vehicle is safely positioned and is OFF before exiting the vehicle.
  2. The technician will identify himself to the contact person at the site and obtain a safe-work permit.
  3. A tail-gate meeting will be held with all concerned parties to explain the test procedure and gain specific site information.
  4. Isolate the interstitial.
  5. Introduce nitrogen to 2psi.
  6. Monitor pressure decay using digital gauges for thirty (30) minutes.
  7. Record pressure.
  8. At the conclusion of the test, the technician will remove all test equipment and return the safe work permit to the originator or their designate.
  9. A written report will be provided.

Reviewed Oct 31/16