Looks like you are correct. I did miss cubic. I suppose if I were able to read I wouldn't of had to ask the question! LOL. Thanks, this will put it to rest between the field foreman and I
From: Mike Morey <[email protected]> Sent: Thursday, December 4, 2025 7:31 AM To: Discussion list on issues relating to automatic fire sprinklers <[email protected]> Subject: [Sprinklerforum] Re: NFPA 13R-Restrooms-Applying 6.4.6.3.2? You missed a key issue, it's CUBIC feet, not square feet, unless the ceiling is like 7 feet you're obviously out of luck on that exception. If the cabinet is 12" or less out from the wall the easiest solution would be to have the GC frame a bulkhead above it and mount the head in that bulkhead. Section 6.4.6.3.8 covers this. Mike Morey 2025 NFSA Top Tech Champion * 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<outlook-data-detector://2/> SERVICE LINE 888.217.7055<tel:888.217.7055> [cid:[email protected]] From: Elijah Melvin <[email protected]<mailto:[email protected]>> Sent: Thursday, December 4, 2025 7:21 AM To: [email protected]<mailto:[email protected]> Subject: [Sprinklerforum] NFPA 13R-Restrooms-Applying 6.4.6.3.2? Hi all, I've run into a situation where we have a sidewall sprinkler in a restroom (57 ft2). A small cabinet (for linens) was put up on the same wall about 4" below our head. I am of the opinion that the cabinet creates an obstruction ZjQcmQRYFpfptBannerStart Be Careful With This Message The sender's identity could not be verified and someone may be impersonating the sender. ZjQcmQRYFpfptBannerEnd Hi all, I've run into a situation where we have a sidewall sprinkler in a restroom (57 ft2). A small cabinet (for linens) was put up on the same wall about 4" below our head. I am of the opinion that the cabinet creates an obstruction and either the sprinkler needs to move or the cabinet. My field foreman makes a pretty strong argument that 6.4.6.3.2 allows the sprinkler to be installed without consideration to obstructions. Technically, a restroom is considered a compartment and as mentioned earlier, it is smaller than 400 ft2. Do you believe NFPA's intent for paragraph 6.4.6.3.2 was to also include bathrooms? I would say no. Elijah Melvin | Sprinkler Systems Designer OH# 54-25-4109, Ohio Backflow Cert# 10322, NICET# 140677 KOORSEN FIRE & SECURITY 727 Manor Park Dr, Columbus, OH 43228 P 614.853.5663 | Ext. 6312 | M 614.588.2655 [email protected]<mailto:[email protected]> | www.koorsen.com<https://urldefense.com/v3/__http:/www.koorsen.com__;!!FaxH778!cwBoS6GD0T_80f_kraJUQBSaBCVeEfaVdjoec2gd7R3I_qh7kn8Y44bAC-b7VSCS2gtWZ_zaJRZw_8gkcQo__oCz$> 24x7x365 Service: 614.878.2228 | [email protected]<mailto:[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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