The completed unit is subjected to a hydrostatic test of 300 psi maintained for fifteen
minutes. Pressure drop during the fifteen minute period does not exceed 5 psi (0.34
bar). No visible leaks are allowed. Pressure gauges and any other fragile equipment is
disconnected or removed for this test. The test medium is clean water. During the
test, a careful visual inspection to check for leaks, distortion or deformation of all
pipework and hoses.