UPDATED on 2/6/19, based on feedback from my friend and Refrigeration PSM Extrodinare Brian Chapin over at RCE (A former Partner in Safety). I have shared his analysis and my rebuttal/agreement…
By a long shot, these are the top three (3) issues found with Ammonia Refrigeration RMPs:
- The NH3 is “Liquified by Pressure” – not by refrigeration!
- Process Purgers are NOT the same as “Purge System” as listed in the Process Controls section of the RMP
- If you’re not on the Coast – your process was most likely not built to withstand as Cat 1-5 Hurricane! The States of NE, MO, and IA have not seen a Hurricane since before the ice age. LOL
Here is a brief explanation of how these three (3) should be listed in your RMP: