I would guess this is an inadvertent copy paste from chapter 16, Table 16.2.2.1 DOES include some dry system options. Also, always remember to cite your edition/year of NFPA 13, I assume based on the question this is a ~2016 edition based query.
Mike Morey 2025 NFSA Top Tech Champion<https://www.linkedin.com/posts/national-fire-sprinkler-association_congratulations-to-our-2025-top-tech-winner-activity-7326725245707431936-_5jg/> * NICET IV<https://credentials.nicet.org/47458792-752e-4926-86fc-bd4d47722218#acc.kBTieRXy> * CFPS<https://www.credly.com/badges/c05de73a-dbed-4c31-b1dc-0be93f3151f0/public_url> Project Estimator * Fire Protection Group Shambaugh & Son, LP an EMCOR Company 7614 Opportunity Drive * Fort Wayne, IN * 46825 direct 260.487.7824 / cell 260.417.0625 email [email protected]<mailto:[email protected]> 24/7 SERVICE LINE 888.217.7055<tel:888.217.7055> [cid:[email protected]] From: Brian Harris <[email protected]> Sent: Thursday, September 10, 2026 11:11 AM To: [email protected] Subject: [Sprinklerforum] NFPA-13 Table 17.2.2.1 Looking for some clarification: Working on a warehouse storing Group A plastics, assume nonexpanded, exposed (in cardboard boxes but the front is open), open shelves, double and single racks. The kicker is the warehouse isn't heated so ZjQcmQRYFpfptBannerStart Be Careful With This Message The sender's identity could not be verified and someone may be impersonating the sender. ZjQcmQRYFpfptBannerEnd Looking for some clarification: Working on a warehouse storing Group A plastics, assume nonexpanded, exposed (in cardboard boxes but the front is open), open shelves, double and single racks. The kicker is the warehouse isn't heated so looking at a dry system. Table 17.2.2.1 only list system types as wet. However, 17.2.2.4 talks about preaction systems shall be considered as dry when using Table 17.2.2.1. Sooooo, can table 17.2.2.1 be used on a dry system? Thank you, Brian Harris, CET BVS Systems Inc. bvssystemsinc.com<https://urldefense.com/v3/__http:/bvssystemsinc.com/__;!!FaxH778!Ykca207rDzmKiyXyI0l09J1fmWWukH5czUU1b2hG2q4oETal0u0Q1VMHFwZBqrfvjuHAMvblIZlkXuVkx88S2A$> Phone: 704.896.9989 Fax: 704.896.1935 [cid:[email protected]] 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.
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