Ammonia Refrigeration

Dear Ammonia Refrigeration Contractors… Let’s talk about your marketing campaign

Victor Dearman Jr. CIRO, CRST Social media can be a great thing, especially for getting the word out about your services/offerings and showcasing through pictures and videos the work you absolutely should be proud of. Or, should you be proud of it? Yep, this won’t be popular but needs to be said. Engineers, service technicians, […]

When will the ammonia refrigeration industry finally embrace LOTO? (Part II)

Victor Dearman Jr. CIRO, CRST One of the challenges to my post was “What if the flagging tape was to indicate that the valve was in an abnormal position?” This was followed up with a challenge as to whether or not anything forbids such a method. Operating procedures should be designed to meet the requirements…...

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The National Board on “intervening valves” in the PRV path (Car Seal)

It has grown tiresome, but it remains a teachable moment, to debate “engineers” who want part of ASME/NBIC to be the gospel and other parts not so much. The ammonia refrigeration industry just can’t seem to grasp the critical need in their “Common PRV Header Design” v.s. having more “holes in the roof” (as they…...

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When will the ammonia refrigeration industry finally embrace LOTO? (Part I)

By: Victor Dearman Jr. CIRO, CRST Flagging tape is not LOTO! And never has been. I would bet good money the operating procedure for this compressor has LOTO covered, but those are just documents to look good in a binder sitting on a shelf collecting dust because they are viewed as a necessary evil to…...

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