bids are invited for ndt srv trv testings of msv at anantapur lpg plant positive isolation and degassing by water filling , nozzles or manholes de-boxing, flp lighting , erection and dismantling of scaffolding , surface preparation for ndt of msv , visual inspection , ultrasonic thickness measurement testing of msv , hardness testing of msv , wet fluorescent magnetic particle testing of msv , ultrasonic flaw detection testing of msv , liquid penetration testing of msv , hydrotesting , certification of periodical hydrotest of msv vessels , wet calibration of msv and provide capacity chart. , srv testing of msvs , srv testing 2 inch , srv testing of sumo 425 kg cylinders , trv testing total quantity : 517