I retired last year after spending 41 years in the oil refining business. The last 36 with a large independent refiner. I have been doing some post retirement consulting work. OSHA now requires equipment to be designed using Recognized And Generally Accepted Good Engineering Practice. Where I came from, the company had been installing fire case PSV's on the shell side of heat exchangers for many years. Recently the company began installing fire case PSV's on the tube side of heat exchnagers. I recently became aware of two large operating companies that do not consider it necessary to install fire case PSV's on either side of a heat exchanger. I talked to two large engineering, procurement and construction companies and they consider RAGAGEP to be installing PSV's on both shell and tube side. Is there an industry concensus on what is RAGAGEP? From my perspective both the sheel and tube side are pressure vessels and it would seem like they should have fire case protection of some sort. Either a PSV or a guaranteed open path to another vessel which does have a large enough PSV.
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