There's a picture in the handbook that looks pretty similar to your arrangement, but unfortunately it doesn't clarify if it is a single- or double-row rack.
I think you at least have a good argument for considering it as a single-row rack. I wish I could be more helpful, but when it comes to tire storage, I'm at more of a Motel 6 level. 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]> From: Ed Kramer <[email protected]> Sent: Tuesday, September 17, 2024 11:38 AM To: Discussion list on issues relating to automatic fire sprinklers <[email protected]> Subject: [Sprinklerforum] Re: [External]Tire racks This particular project, the tire storage falls within the definition of "miscellaneous tire storage" providing the racks are single-row . Table 4.3.1.7.1 doesn't have a category for double-row racks for heights greater than 5'. The difference in design criteria is significant. The handbook says a longitudinal flue space is minimum 6" and max 24". With larger tires in this rack, there won't be 6", so is that space really a longitudinal flue space? Thus my search for higher knowledge. Normally I'd settle for someone who stayed in a Holiday Inn Express, but that's my line, so . . . Ed [cid:[email protected]] [cid:[email protected]] Ed Kramer Design Manager | Bamford Fire Sprinkler Co., Inc. P: 913.432.6688 F: 913.432.5294 M: 785.766.4894 A: 5134 Merriam Dr. Shawnee Mission KS 66203 From: Kyle.Montgomery <[email protected]<mailto:[email protected]>> Sent: Tuesday, September 17, 2024 11:49 AM To: Discussion list on issues relating to automatic fire sprinklers <[email protected]<mailto:[email protected]>> Subject: [Sprinklerforum] Re: [External]Tire racks I would say you should treat that as a double-row rack because it looks like "single-row racks placed back to back" and because it looks like there is a longitudinal flue space and the definition for single-row racks states "racks that have no longitudinal flue space...". If it's tire storage though, does it matter? That looks like rubber tire storage, on-tread, in a fixed rack without solid shelves. 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]> From: Ed Kramer <[email protected]<mailto:[email protected]>> Sent: Thursday, September 12, 2024 1:36 PM To: [email protected]<mailto:[email protected]> Subject: [External][Sprinklerforum] Tire racks If the overall width from outside of left row of tires to outside of right row of tires is 6' or less, is this a single-row rack or a double-row rack? Reference NFPA 13 (2019) sections 3.3.56 and 3.3.191. [cid:[email protected]] Thanks, Ed [https://www.dropbox.com/s/g4h8r7hdtsr6154/AFSA_L.png?raw=1] [cid:[email protected]] Ed Kramer Design Manager | Bamford Fire Sprinkler Co., Inc. P: 913.432.6688 F: 913.432.5294 M: 785.766.4894 A: 5134 Merriam Dr. Shawnee Mission KS 66203
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