These may include in-rack sprinklers or a combination of ESFR with in-rack sprinklers.ĮSFR systems are designed to protect a wide array of commodities. And there are sprinkler system protection schemes that will allow storage above those heights. In general, ESFR systems can be used in warehouses with storage that do not exceed 40 feet in overall height, and with a ceiling height of less than 45 feet. As a result, more water and a greater share of the water reaches the fire allowing the flames to be extinguished. How do they work? ESFR sprinklers are designed to release 2-3 times the amount of water of conventional sprinkler heads and to emit larger droplets of water, which in turn have a greater momentum than droplets emitted from conventional heads. They were designed to actually suppress or extinguish the fire, while conventional sprinklers can only control fires, therefore eliminating the need for extinguishment by firefighters. In the 1980s, early suppression, fast response (ESFR) sprinkler systems were developed as an alternative to in-rack systems. Let’s discuss these potential pitfalls in more detail by giving some specific examples. There’s a gamut of problems that may arise from a business owner unknowingly moving into a building equipped with an ESFR system. But are ESFR systems an all-inclusive solution to warehouse protection? Is it the “miracle cure” to all warehousing problems? Presented are the latest updates on this subject matter based on the 20 editions of NFPA 13, FM Global Property Loss Prevention Data Sheets, and relevant results from the latest fire tests with ESFR sprinkler systems.Īdditional information on sprinkler application issues can be found in the article Sprinkler Protection Simplified.ĮSFR (Early Suppression, Fast Response) sprinkler systems have been rightfully touted as one of the best solutions and best investments in warehouse storage. We discuss common pitfalls in applying these types of sprinkler systems and provide detailed explanations on their correct usage including applicable codes and regulations. Explore with us in this article the do’s and don’ts of using ESFR sprinkler systems.
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