The final inspection of process piping is required after all piping has been installed. The inspection includes a pressure test of piping. The piping shall stand a pressure test of no less than ___ times the maximum operating pressure of the system.

The final inspection of process piping is required after all piping has been installed. The inspection includes a pressure test of piping. The piping shall stand a pressure test of no less than ___ times the maximum operating pressure of the system.