[Sprinklerforum] Re: EH 11k & High Temp RA reduction

[John Denhardt]

For this, high temperature or 11.2K is allowed, not both.  I’m currently on a plane but I will quote you the reference later today.  Either or, not both.  John John August Denhardt, P.E. Vice-President Engineering and Technical Services American Fire Sprinkler Association  301-343-1457 On Mar 18, 2024, at 15:03, Mike Morey <mmo...@shambaugh.com> wrote:  I believe the intent was always that the K11.2 reduction was an alternative to high temp heads and not intended to allow both but it was never spelled out (other than that omission perhaps).  The revisions to the next edition are significant, but this item is consolidated into one that says you can take 25% reduction to no less than 2000 for one or the other.   Mike Morey CFPS 3229 • NICET S.E.T. 123677 Project Manager • Fire Protection Group Shambaugh & Son, LP an EMCOR Company 7614 Opportunity Drive • Fort Wayne, IN • 46825 direct 260.487.7824 /  cell 260.417.0625 /  fax 260.487.7991 email mmo...@shambaugh.com <image001.png>   From: Micah Davis <micah...@gmail.com> Sent: Monday, March 18, 2024 2:51 PM To: SprinklerForum <sprinklerforum@lists.firesprinkler.org> Subject: [Sprinklerforum] EH 11k & High Temp RA reduction   Hey everyone!  I need some help with the application of the remote area adjustment provisions in Chapter 19 (2019) of NFPA 13.   19. 3. 3. 2. 8 addresses multiple adjustments but, interestingly, omits 19. 3. 3. 2. 7 in the list.   Should I interpret ZjQcmQRYFpfptBannerStart This Message Is From an Untrusted Sender You have not previously corresponded with this sender. ZjQcmQRYFpfptBannerEnd Hey everyone!  I need some help with the application of the remote area adjustment provisions in Chapter 19 (2019) of NFPA 13.  19.3.3.2.8 addresses multiple adjustments but, interestingly, omits 19.3.3.2.7 in the list.  Should I interpret this to mean that no other adjustments for EH design areas can be applied if the 11.2k or larger reduction is used?   Thank you, Micah Davis Ferguson Fire Design 931-242-1299 This message is for the named person's use only. It may contain confidential, proprietary or legally privileged information. No confidentiality or privilege is waived or lost by any mistransmission. If you receive this message in error, please immediately delete it and all copies of it from your system, destroy any hard copies of it and notify the sender. You must not, directly or indirectly, use, disclose, distribute, print, or copy any part of this message if you are not the intended recipient. _________________________________________________________ SprinklerForum mailing list: https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org To unsubscribe send an email to sprinklerforum-le...@lists.firesprinkler.org

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