Code requirements for installation identification signs vary based on when an ammonia refrigeration system was built. Most existing installation identification signs were installed in accordance with the Mechanical or Fire Codes (UMC, CMC, and UFC), ASHRAE 15, or IIAR 2 OR 9. Here is a historical snapshot of code requirements for installation identification signs throughout […]
This is an update to a blog that was originally posted on 1/20/15. You can read the original blog here. Question: Where am I required to install emergency eyewash and safety showers? Answer: Both CalOSHA and FedOSHA require eyewash and safety showers in “all work areas where, during routine operations or foreseeable emergencies” an employee’s […]
Summary In May 2021, a three-inch strip of tarp was sucked into a lower bunker fan for a postcooler room. Two fan blades broke and flew into the bunker evaporator coil, resulting in a release of approximately 4,600 lbs of ammonia. Incident Description The postcooler room is equipped with a bunker that contains two evaporator […]
This is an update to a blog that was originally posted on 8/4/15. You can read the original blog here. Most people who have worked around the ammonia refrigeration industry for any period of time recognize the importance that strainers play in the proper operation and maintenance of an ammonia refrigeration system. Typically located upstream […]
This is an update to a blog that was originally posted on 10/14/14. You can read the original blog here. Question: What is the proper procedure for selecting the pressure relief valve capacity for a positive displacement compressor? Answer: ANSI/IIAR 2-2021 §8.2.2.2 addresses this very question. Furthermore, Appendix E (Informative) of that same document gives […]
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