Question: If two independent ammonia refrigeration systems share a water diffusion tank should they be considered one (1) or two (2) processes under RMP and PSM? Answer: This is a great question that addresses the issue of “co-location“. In order to correctly answer this question, we must first consider the definition of a Process. Title 40 §68.3 Process means […]
Question: Where am I required to install emergency eyewash and shower stations? Answer: Both CalOSHA and FedOSHA require eyewash and shower stations in “all work areas where, during routine operations or foreseeable emergencies” an employee’s eye or body “may come in contact with a substance which is corrosive or severely irritating to the skin” [Title 8 […]
Question: Should an Emergency Control Box (e.g. Fireman Dump Box) be installed when constructing a new ammonia refrigeration system in California? Answer: Up until 2007, California used the Uniform Fire Code (NFPA 1) as the model fire code for the state. Since codes are typically revised every three (3) years, the last year that NFPA 1 was a model […]
Question: Can a single relief valve assembly be used to protect more than one ammonia refrigeration pressure vessel? Answer: While it is definitely not common-place, it is compliant to utilize one relief assembly to protect multiple pressure vessels, provided that the relief valves are sized correctly and the vessels are interconnected without allowance for independent isolation. […]
Question: Can a stop valve be installed before or after a relief valve? Answer: If your initial reaction to this question is “NO“, then you are in good company. Most refrigeration experts (and people with common sense) can see the danger in installing stop valves before/after pressure relief valves….However, as is the case with many issues, there […]
Whether you are in need of a complete process safety management program or simply looking for a second opinion, Resource Compliance is here to help. Please contact us today. We look forward to hearing from you.
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