The entire vessel was heat treated in a PWHT furnace. Heat source came from gas burners. Furnace design ensures not flame impingement. Root cause of ovality is improper support/bracing of vessel. The vessel had two permanent support saddles. Fabricator provided 1 temporary support in the middle...
I am third party engineering contractor. I am not really involved in the engineering and procurement of vessel. I just performed cold eyes review to provide unbiased assessment. My assessment is to accept the vessel as is and perform Fitness-for Service evaluation, but AI does not want to sign...
Hello,
We have a horizontal vessel that exceeded out-of-roundness tolerance of ASME VIII-1 Code after PWHT. The vessel became oval in shape along its length. Deformation is between the support saddles with largest deformation in the middle of the vessel and diminishes are you go out further...
Hello,
I am a mechanical engineer and I am tasked to add a small piece of steel on an existing top platform to support a 1000 lb pipe load. The top platform is installed on an existing small pressure vessel that is located inside an enclosed building with no windows, just doors. I’ve asked the...
