Those of you that visit SAFTENG often know that I love the FM Global Data Sheets! These data sheets are NOW FREE (and have been for a couple of years). They serve as a GREAT AID in helping facilities understand their hazards and risks associated with all kinds of industries. In fact, although my practice is not endorsed by Global FM, I point clients to these data sheets when an employer will not purchase costly consensus standards, as often times FM Global has a “data sheet” that will address the fundamental issue the consensus standard addresses. Case in point… this week the Chemical Safety Board published a Safety Alert: Anhydrous Ammonia Safety Bulletin – Five Key Lessons to Prevent Hydraulic Shock (CSB). As with most CSB publications this alert is getting shared widely among the ammonia refrigeration industry and this is a GOOD THING; but did you know that FM Global’s Data Sheet 12-61, Mechanical Refrigeration had already brought to light the scenario that the CSB Alert did. Here is what FM Global’s Data Sheet 12-61, Mechanical Refrigeration Case Study #6 says…