dnelson
New member
- Location
- Billings, MT
I am working on a new facility that will have piping connected to an existing facility. The piping runs above ground and is installed in a piperack. The two facilities have independant power systems. There is no cathodic protection on the piping and the piping does not run parallel to a high voltage transmission line. Normally I always ground the pipe rack, but I've always worked in a single facility. Is there a requirement to isolate the grounds between the two facilities? Why would I want to isolate or connect the grounding grids of the two facilities through the piperack?
