We are supposed to label them as such. 5.2.5.2 in the 23 edition of 25
Benjamin Young On Tue, Jul 30, 2024 at 11:09 AM Fpdcdesign <[email protected]> wrote: > One of the things that I see, living in an area with 80+ year old systems, > is that the newer inspectors are asking for calc signs on pipe schedule > systems. Hydraulically calculating pipe schedule system can be a disaster. > They are 2 separate and individual system designs. A system may not > necessarily meet both sets of criteria. > > A good example is a school in my town that has a pipe schedule system > installed in the 1950s. I was asked to do a hydraulic calculation. The 2535 > sqft design area in the attic contained 54 sprinklers. No way that calc was > going to work. > > We probably should be labeling pipe schedule systems as such. > > Todd Williams > Fire Protection Design/Consulting > Stonington, CT > 860-608-4559 > > > On Jul 30, 2024 at 10:56 AM, <Ken Wagoner <[email protected]>> > wrote: > > There is certainly an issue on that missing information. NFPA 25 > addresses the need for this sign/information in §5.2.5 (2023 ed). And some > of the "enhanced content" on NFPA Link to this section that this is to be > noted as a "deficiency", although it is a "noncritical" deficiency as it > doesn't impair the ability of the system to function in a fire. > > I've done considerable work on existing buildings which were being > repurposed from a factory to storage, and without this information the > costs of the revisions went way up since a retro set of calculations had to > be performed. > > just my thoughts, > *Ken Wagoner, SET* > > > *Parsley Consulting 500 West Mechanic Street > <https://www.google.com/maps/search/500+West+Mechanic+Street+%0D%0A++++++++++Harrisonville,+Missouri+64701-2235?entry=gmail&source=g> > Harrisonville, Missouri 64701-2235 > <https://www.google.com/maps/search/500+West+Mechanic+Street+%0D%0A++++++++++Harrisonville,+Missouri+64701-2235?entry=gmail&source=g>* > *Phone: (760) 745-6181 * > *Visit the website > <https://linkprotect.cudasvc.com/url?a=http%3a%2f%2fwww.parsleyconsulting.com%2f&c=E,1,Y5zKJKPEh1mBEBqSR-VE9cUKl5y-eyP8BpvmE_5j9ZqW2eJbNphYzrCMBZ-2YuX6d-RRkHI4gQ1FV-cvOeCfRC58uZS9NiToZv2mx7909oCqLvCW_n5hDHeK&typo=1>* > > > _________________________________________________________ SprinklerForum > mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected] > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected]
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