When is it necessary to specify grounding requirements in the technical specifications for pressure vessel drawings?
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I see that on the drawings it’s sometimes indicated and sometimes not – why is that, and where does it come from?
It should be stated that static electricity can cause explosions; there’s no need to mention water tanks or air tanks
It depends on the medium and layout; it is specified by the electrical engineering team and reflected in the equipment diagrams
Based on my analysis, in the electrical drawings of the plant construction project, there are connection diagrams for all the equipment and pipelines. However, during the operation of the plant and when replacing the pressure vessel, it is indeed possible that the new drawings will not indicate this, one of the reasons being that the owner did not request it. However, during installation, it is necessary to measure and record the grounding, as this is an important part of the quality certification documents.
I have designed over a hundred sets of designs, but I’ve never written anything down; I merely drew the electrostatic ground plates on the drawings