Can anyone please tell what are the certificates do we need to check prior to hydrotesting?
what are the requirment for test header.(what we need to check prior to using test header-any size requirements are there??(as per the procedure need to test 1.25 times of test pressure)
For your information ,it is the 5km buried line size 6’'X7.11mm.
4 hours strength test(153Bar) followed by 24 hours leak test(105Bar).