that's my dilemma. I don't believe pipe schedule was used either. On Sat, Feb 21, 2026, 11:49 AM Shawn Foor <[email protected]> wrote:
> If no calcs were done how do you know you can’t run the 2” pipe to the 2” > manifold. If the system was pipe schedule then your answer is in the pipe > schedule located in NFPA. > > Shawn Foor, SET > > *FOOR DESIGN, LLC* > *4708 S. Sequoia Ave > <https://www.google.com/maps/search/4708+S.+Sequoia+Ave+Broken+Arrow,+OK+74011?entry=gmail&source=g>* > *Broken Arrow, OK 74011 > <https://www.google.com/maps/search/4708+S.+Sequoia+Ave+Broken+Arrow,+OK+74011?entry=gmail&source=g>* > *P:918-237-1400* > > > On Sat, Feb 21, 2026 at 10:37 Tim Easter <[email protected]> wrote: > >> That's issue no hydraulic calcs were done. >> >> On Sat, Feb 21, 2026, 11:35 AM Patrick Tomaszewski < >> [email protected]> wrote: >> >>> Hmm this is interesting, not sure I am aware of this. >>> >>> More context would help. >>> >>> If you have multiple risers being fed on a manifold from a common water >>> supply, and they are all hydraulically calculated and proven with whatever >>> size, then why should it matter? >>> >>> >>> >>> Maybe this is for automatic sprinkler/standpipe fire department >>> connection? I could see a certain number of snoots requiring a minimum FDC >>> pipe size for sure. >>> >>> >>> >>> What specifically are you working on? >>> >>> >>> >>> [image: signature_2544299208] >>> >>> Patrick tomaszewski | *Estimator* >>> >>> www.valiantfireco.com <http://www.valiantfireco.comorg> >>> >>> [email protected] <[email protected]> >>> >>> 📍3910 Howe rd. Wayne, MI 48184 >>> <https://www.google.com/maps/search/3910+Howe+rd.+Wayne,+MI+48184?entry=gmail&source=g> >>> >>> >>> *“Every Second Matters.” * >>> >>> IG <https://www.instagram.com/valiantsec.mi/> • FB >>> <https://www.facebook.com/valiantsec.mi> • LINKED IN >>> <https://www.linkedin.com/company/valiant-security-llc> >>> >>> >>> >>> >>> >>> *From:* [email protected] <[email protected]> >>> *Sent:* Friday, February 20, 2026 6:18 PM >>> *To:* [email protected] >>> *Subject:* [Sprinklerforum] Inlet to manifold size >>> >>> >>> >>> What is the code section dealing with concept of manifold piping and >>> sizes. if multiple inlets of a certain size exist, the common header must >>> be upsized. In other words, you can’t run the is the multiple 2 inches into >>> a 2 inch line. seeking the code that says that. >>> >>> _________________________________________________________ >>> 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] > > > _________________________________________________________ > SprinklerForum mailing list: > https://lists.firesprinkler.org/list/sprinklerforum.lists.firesprinkler.org > To unsubscribe send an email to > [email protected]
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