thePetroStreet

It is good that you have crossed 10 yrs.. tell me did you encounter any tube failure mid way?? API says usually 5% tube fails before reaching its design life... If there is no failure, hats off to your operation & inspection guys... you are doing a good job.. & call back CONAM and say no to 'H'SCAN..

1. It is a design flaw led under deposit corrosion failure. Who the hell can see, clean and paint that groove inside the foundation bolting lug? Normally for repair painting of existing facilities in a running plant do not have the liberty as it was done in project stage. Buddy, do not allow pocket ...

The inspection plan well covered all aspects. However, it doesn't contain your acceptance criteria. Do include OD measurement of catalyst tubes at outlet tube sections. Think of renewal as the strain goes above 3%.

Ultrasonic attenuation test looks well engineered & robust, because we pay handsome ...