We have a closed ammonia refrigeration system for a large cooler/freezer. The refrigeration equipment is located in a separate mechanical room. Total amount of ammonia is less than 10,000 lbs.
My question is explosion control per Section 911 of the International Fire Code required for the refrigeration mechanical room?
I am reading different interpretations on whether ammonia is considered a flammable gas, most say it is technically not a flammable gas but can burn and/or explode.
I'm interested in hearing everyone's take. Thanks.
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