I am sitting g in an airport with a beer awaiting my flight back to Dallas - not looking at a book so maybe I am wrong.
Bob Caputo, CFPS *President* *American Fire Sprinkler Association* p: 214-349-5965 ext124 w: firesprinkler.org <https://www.facebook.com/firesprinkler.org/> <https://twitter.com/afsa/status/1039528345367732224> <https://www.linkedin.com/company/american-fire-sprinkler-association-afsa-/> <https://www.instagram.com/firesprinklerorg/> *Train a safer, more efficient workforce.* By enrolling your employees in the AFSA Apprenticeship Training Series for Sprinkler Fitters <https://www.firesprinkler.org/WWW/Education/Apprentice_Training/WWW/Education/Apprenticeship_Training.aspx?hkey=e88ef09e-d74c-407f-abcd-995aff866149>, you will reap the benefits of a qualified, professional installation crew. Well-trained employees will work smarter, increasing your company's productivity and, in turn, its profits. Learn more <https://www.firesprinkler.org/WWW/Education/Apprentice_Training/WWW/Education/Apprenticeship_Training.aspx?hkey=e88ef09e-d74c-407f-abcd-995aff866149> . On Mon, Oct 6, 2025 at 2:41 PM Bob Caputo <[email protected]> wrote: > I’ve been wrong before…. I didn’t thing NFPA 20 listed other flows than > the table in chapter 4 > > > Bob Caputo, CFPS > *President* > > *American Fire Sprinkler Association* > p: 214-349-5965 ext124 > w: firesprinkler.org > <https://www.facebook.com/firesprinkler.org/> > <https://twitter.com/afsa/status/1039528345367732224> > <https://www.linkedin.com/company/american-fire-sprinkler-association-afsa-/> > <https://www.instagram.com/firesprinklerorg/> > > *Train a safer, more efficient workforce.* > > By enrolling your employees in the AFSA Apprenticeship Training Series > for Sprinkler Fitters > <https://www.firesprinkler.org/WWW/Education/Apprentice_Training/WWW/Education/Apprenticeship_Training.aspx?hkey=e88ef09e-d74c-407f-abcd-995aff866149>, > you will reap the benefits of a qualified, professional installation crew. > Well-trained employees will work smarter, increasing your company's > productivity and, in turn, its profits. Learn more > <https://www.firesprinkler.org/WWW/Education/Apprentice_Training/WWW/Education/Apprenticeship_Training.aspx?hkey=e88ef09e-d74c-407f-abcd-995aff866149> > . > > > On Mon, Oct 6, 2025 at 2:35 PM Travis Mack <[email protected]> wrote: > >> Doesn’t NFPA 20 list a 400 gpm fire pump in the summary of centrifugal >> fire pumps? AC fire pump and many others sell a 400 gpm fire pump. >> >> Travis Mack, SET >> >> *MEPCAD* | Instructor / Training Specialist >> >> 181 N. Arroyo Grande Blvd. #105 I Henderson, NV 89074 >> <https://www.google.com/maps/search/181+N.+Arroyo+Grande+Blvd.+%23105+I+Henderson,+NV+89074?entry=gmail&source=g> >> >> www.mepcad.com | *m: **480.547.9348* >> >> >> >> *AutoSPRINK | AutoSPRINK FAB | AutoSPRINK RVT | AlarmCAD* >> >> >> >> Book appointment time in my calendar >> >> https://calendly.com/t_mack_mepcad >> >> >> *Academy of Fire Sprinkler Technology *| Executive Director >> >> 101 S Main Street, Suite 001, Decatur, IL 62523 >> <https://www.google.com/maps/search/101+S+Main+Street,+Suite+001,+Decatur,+IL+62523?entry=gmail&source=g> >> >> >> ------------------------------ >> *From:* Bob Caputo <[email protected]> >> *Sent:* Monday, October 6, 2025 2:31:54 PM >> *To:* Discussion list on issues relating to automatic fire sprinklers < >> [email protected]> >> *Subject:* [Sprinklerforum] Re: [External]Multiple undersized pumps. >> >> Are you sure you have a fire pump rated at 400 gpm? Listed fire pumps >> come in 250, 500, 750 etc gpm. Not 400 gpm. That aside, perhaps adding a >> water storage tank will solve the problem? >> >> Bob Caputo, CFPS >> *President* >> >> *American Fire Sprinkler Association* >> p: 214-349-5965 ext124 >> w: firesprinkler.org >> <https://www.facebook.com/firesprinkler.org/> >> <https://twitter.com/afsa/status/1039528345367732224> >> <https://www.linkedin.com/company/american-fire-sprinkler-association-afsa-/> >> <https://www.instagram.com/firesprinklerorg/> >> >> *Train a safer, more efficient workforce.* >> >> By enrolling your employees in the AFSA Apprenticeship Training Series >> for Sprinkler Fitters >> <https://www.firesprinkler.org/WWW/Education/Apprentice_Training/WWW/Education/Apprenticeship_Training.aspx?hkey=e88ef09e-d74c-407f-abcd-995aff866149>, >> you will reap the benefits of a qualified, professional installation crew. >> Well-trained employees will work smarter, increasing your company's >> productivity and, in turn, its profits. Learn more >> <https://www.firesprinkler.org/WWW/Education/Apprentice_Training/WWW/Education/Apprenticeship_Training.aspx?hkey=e88ef09e-d74c-407f-abcd-995aff866149> >> . >> >> >> On Mon, Oct 6, 2025 at 11:23 AM Fpdcdesign <[email protected]> wrote: >> >> Kyle, As I mentioned, there are several issues with this site I didn’t >> mention. One is approximately 1000 ft of 80 year old, severely tuberculated >> 8” main (estimate C=30) that feeds the site. The first thing is that this >> needs to be replaced. Once that is done, the 825 is very possible. >> >> CW, I have all of that info. I have been working on this since 2021 and >> it just came back to life after a year away. 825 gpm is the sprinkler >> demand only. There is a raw water supply that would be used for hose >> streams. >> >> I hesitate to post many specifics of the project here as what is going on >> could result in litigation. >> >> Todd G Williams, PE >> Fire Protection Design/Consulting >> Stonington, CT >> 860-535-2080 (ofc) >> 860-554-7054 (fax) >> 860-608-4559 (cell) >> >> >> On Oct 6, 2025 at 11:26 AM, <Kyle.Montgomery <[email protected]>> >> wrote: >> >> “Neither pump has ever passed its initial test due to the water supply”. >> So, the water supply can’t even provide 600 GPM to the little pump? If >> that’s the case, there is no workaround other than adding a water tank. You >> can commission the pump without reaching 150% of the rated capacity, but >> you have to at least meet the demand flow and pressure. If you can’t get to >> 600 GPM, you certainly aren’t getting to 825 GPM. >> >> >> >> -Kyle M at Aero >> >> >> >> *From:* Fpdcdesign <[email protected]> >> *Sent:* Monday, October 6, 2025 7:24 AM >> *To:* Sprinklerforum <[email protected]> >> *Subject:* [External][Sprinklerforum] Multiple undersized pumps. >> >> >> >> I am working on a project for a facility with several small and medium >> sized buildings. Only some of the buildings are sprinklered. This location >> has a plethora of problems but I only have one that i will bring here. >> >> >> >> The facility has a very bad water supply and a new building was >> constructed, complete with fire pump, to meet a demand of 825 gpm. Also on >> this site is a fire pump house with a 400 gpm at 75 psi pump that takes >> suction from the main. I was told this pump only feeds a dedicated main to >> 3 buildings. However, I subsequently found that the pump actually ties into >> the underground feeding the entire site, including the new building. Now I >> have a main fed by a pump with a maximum flow of 600 gpm feeding a 750 gpm >> pump. Is there any way to get this to work? There is no by-pass around the >> 400 gpm pump. Not sure if that would make a difference. I would appreciate >> input from those mightier than I. >> >> >> >> Neither pump has ever passed its initial test due to the water supply. >> >> >> >> Todd G Williams, PE >> >> Fire Protection Design/Consulting >> >> Stonington, CT >> >> 860-535-2080 (ofc) >> >> 860-554-7054 (fax) >> >> 860-608-4559 (cell) >> _________________________________________________________ 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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