According to RETA Book 1, “Refrigeration is the process of achieving or maintaining the temperature of a space or object below that of the surrounding area by removing heat”. A refrigeration system accomplishes this by utilizing a thermodynamic cycle that moves heat from an object or area where it is unwanted to a place where […]
This is an update to a blog that was originally posted on 9/10/14. You can read the original blog here. Question: What is an emergency pressure control system? Answer: An emergency pressure control system (EPCS) is a pressure-limiting safety system that is required by many current Fire Codes (International Fire Code and NFPA 1). The […]
There is little guidance in ammonia refrigeration codes and standards to address the installation and maintenance of electrical components. The most applicable code requirement in IIAR Standard 2 states that “Electrical equipment and wiring shall be installed in accordance with the electrical code.” (§14.3.5 ) The requirements in the electrical codes (National Electrical Code or […]
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 […]
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