If the criteria for the greater hazard produces discharge characteristics equal to or greater than the what is required for the lesser hazard, you have met or exceeded the minimum protection requirement.
So, the answer to your first question is Yes. Craig Prahl | Jacobs | Fire Protection SME - Special Hazards | [email protected]<mailto:[email protected]> | www.jacobs.com<https://urldefense.com/v3/__http:/www.jacobs.com/__;!!KZTdOCjhgt4hgw!-_khxU8gU0_6jc895I7kRbnU8JghRDsWgqOblZ4jr7Qp2IVbR30VYw_hWvNFtphnl0uWpB9KIvbYi1pvZz4$> 1041 East Butler Road Greenville, South Carolina 29606 CONTACT BY: Phone 1-864-676-5252, Email or MS TEAMS From: Kyle.Montgomery <[email protected]> Sent: Monday, August 26, 2024 8:04 PM To: Discussion list on issues relating to automatic fire sprinklers <[email protected]> Subject: [EXTERNAL] [Sprinklerforum] Re: Protection of Expanded Group A Plastics Any thoughts on this? From: Kyle.Montgomery Sent: Friday, August 23, 2024 10:37 AM To: Discussion list on issues relating to automatic fire sprinklers <[email protected]<mailto:[email protected]>> Subject: Protection of Expanded Group A Plastics If a system is designed to protect EXPOSED Expanded Group A Plastics, then is it automatically sufficient for protection of CARTONED Expanded Group a Plastics? In the NFPA 13 table, there is no option listed for protecting Cartoned Expanded Group A Plastics with K22 or K25 ESFR sprinklers. Why is that? There are options for K14 and K17 sprinklers. There is an option to use K25 ESFR sprinklers to protect Exposed Expanded Group A Plastics. If a system is designed to that criteria, does that system also provide adequate protection for Cartoned Expanded Group A Plastics? [Note: I do know that there are more protection options using FM datasheets, but I'm curious specifically about NFPA requirements.] Thanks. Kyle Montgomery [cid:[email protected]] Aero Automatic Sprinkler Co. 21605 N. Central Ave. Phoenix, AZ 85024 Direct: 623.580.7820 Cell: 602.763.4736 [email protected]<mailto:[email protected]> ________________________________ NOTICE - This communication may contain confidential and privileged information that is for the sole use of the intended recipient. Any viewing, copying or distribution of, or reliance on this message by unintended recipients is strictly prohibited. If you have received this message in error, please notify us immediately by replying to the message and deleting it from your computer.
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