10 messages for product storage tank other than oil. If you are using a large oil tank.Testing and inspection must be carried out according to this announcement. In the case of the tested cylinder.And check out this announcement to release the test results, and authorization is filed against Department of energy business to consider.For approval prior to Upon receiving approval, considered the tank passed the test and inspection.Chapter 2Testing and monitoring equipment and hose before use.Verse 11 oil and pipe system equipment needs to be tested. Any of the following:(1) the test pressure pressure by getting at least 1.5 times the design pressure value (design pressure).And to maintain the pressure for at least thirty minutes. With no leaks(2) the test voltage, use a water pick as an intermediary in the test (hydrostatic test) in this case.Unable to use water, use inert gas instead.(3) soft pipe (flexible hose) to test the water pressure to get at a pressure 1.5 times.Pressure (working pressure) and pressure is maintained for at least ten minutes.Verse 12 oil fuel tank pipe system of large, vertically. To do the test and inspection.Any of the following:(1) any of the materials or components, oil equipment and pipe system needs to examine that.In good condition and can be used safely.(2) welding must be verified by radiation. (Radiographic Examination) weldingCycle tubing (Circumferential Welds) is not less than 5 per cent of the total number of all welding.Or by using high frequency Ultrasound (Ultrasonic Examination) non-certified welding inspection criteria must be.Repair and check again and have to do the following.(A) must be random (random.) The same type of welding vertically up 2 do.To verify the same. If checked, this new welding pass, considered all over welding.(B) any welding on the second failed random audit criteria. Want a sample (randomly.The third time the same type of welding) 2 welding up the same. If the weldingThe new checked through all of that all over welding.(C) If you have any welding on the third pass, the random audit criteria, welding.All the rest.(D) any welding inspection fail. Repair and welding to check as well.
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