STANDPIPES NFPA 14

Can someone explain me what is the difference between Standpipe and Horizontal Sandpipe according to NFPA14. Regards. Cesar Lira ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi

RE: Building Heights Requiring Standpipes

Hi. I have a doubt. NFPA13 request that all sprinklers system shall have a Retarding device. But in our sprinkler systems installed we are not using it. Because we have a water flow sensor above check alarm instead of an alarm pressure switch or water motor alarm. Is it correct as I have it?. Wha

RE: NFPA 20 5.6.3

Best regards Eduardo Varela De: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] En nombre de Cesar Lira Enviado el: jueves, 31 de agosto de 2017 13:21 Para: sprinklerforum@lists.firesprinkler.org <mailto:sprinklerforum@lists.firesprinkler.org> Asunto: NFPA 20

POTTER ROEMER HOSE VALVES

Hi. In a Project some customer is specify for valve 4300 series as use of hydrant. 2 1/2in. My question is if is correct to use because their specification say, ""Designed for dry systems""" and my system is a wet system,. It valve shall install directly to wet pipe. Thks. CLR __

RE: NFPA 20 5.6.3

es it would be 1,500 GPM X 60 or 90,000 gallons) John Paulsen - SET Crown Fire System Design 6282 Seeds Rd. Grove City, OH 43123 P - 614-782-2438 F - 614-782-2374 C - 614-348-8206 From: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of Cesar Lira

NFPA 20 5.6.3

I have a question that I don't understand. What is mean in section 5.6.3 Level. The minimum water level of a well or wet pit shall be determined by pumping at not less than 150 percent of the fire pump rated capacity?. I understand that the capacity is from the duration expected according each

SPRINKLERS BELOW DUCTS and OBSTRUCTIONS

Whit this section of FM the rule of 8Ft between sprinklers below ducts or Obstructions doesn’t apply?? I’m understand that I can separate sprinklers at more distance. Example: 12 ft. for Hazard Category No. 2 ___ Sprinklerforum mailing list Sprinkle

RE: TIME OF INITIATE AN ALARM

is at the riser. One or more air release valves can be used to automatically remove unwanted air. Google sprinkler air release valve to learn more about them. On Mon, Apr 24, 2017 at 5:13 PM, Cesar Lira mailto:cl...@demek.com> > wrote: We are considering both, alarm valve and water

RE: TIME OF INITIATE AN ALARM

...@lists.firesprinkler.org] On Behalf Of Cesar Lira Sent: Monday, April 24, 2017 6:13 PM To: sprinklerforum@lists.firesprinkler.org Subject: RE: TIME OF INITIATE AN ALARM Wet. De: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] En nombre de Matt Grise Enviado el: lunes, 24 de abril de 2017

RE: TIME OF INITIATE AN ALARM

: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of Cesar Lira Sent: Monday, April 24, 2017 4:38 PM To: sprinklerforum@lists.firesprinkler.org <mailto:sprinklerforum@lists.firesprinkler.org> Subject: TIME OF INITIATE AN ALARM FM say, that any fire alarm shall in

TIME OF INITIATE AN ALARM

FM say, that any fire alarm shall initiate within 60 seconds. How can I get in calculations the time of the alar respond? My system is too large and the insurance company is question to me about if I’m sure that alarm shall sound in this time. Thks. Everybody. CLR ___

QUESTIONS NFPA 5000 AND OTHER RULES

Hi, Somebody know NFPA5000 and BS:2008 and what involve for the hose stand pipes systems and extinguishers?? CL ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-fi

RE: WATER STORAGE TANK AND PUMPS ARRANGEMENT FOR FIRE AND SERVICE WATER

available set of standards? Is your question how to account for water volume in normal sanitary and industrial use, while maintaining adequate reserve for fire sprinkler systems? Best Bruce Verhei On Dec 8, 2016, at 15:37, Cesar Lira < <mailto:cl...@demek.com> cl...@demek.com&g

WATER STORAGE TANK AND PUMPS ARRANGEMENT FOR FIRE AND SERVICE WATER

I have a Question. We need to install a water storage tank, and pumps for a industrial park, this industrial park has a 20 buildings feed with a single 12 inches diameter pipe. It has two branches for every building one for fire sprinklers connection and another one for services water. In pumps

RE: Sprikler obstruction.

What size is the duct and what is the distance between the sprinkler and the top of duct. De: Sprinklerforum [mailto:sprinklerforum-boun...@lists.firesprinkler.org] En nombre de IPA Enviado el: miércoles, 19 de octubre de 2016 02:02 p. m. Para: sprinklerforum@lists.firesprinkler.org Asunto

SPRINKLERS INSIDE OVENS

I have a worry, I need to install sprinklers inside an Oven that work at 300°F. I know that I need to use a sprinklers 360°F or high. But this system is tie to a same roof grid. And my concern is that what happen with the heat, in the water, it temperature could go up to roof grid system, or

RE: FM Global

Hi Dewayne. Accord to 3-26 table 1. Both areas Seating areas and kitchen are a HC1 Hazard and sprinkler design is 0.1/1500 + 250 gpm using a 5.6 k factor sprinklers. Also you need to wait for FM insurance recommendations. CLR De: Sprinklerforum [mailto:sprinklerforum-boun...@lists.fir

ESFR HEAD BELOW EXHAUST

In a warehouse there are ESFR sprinklers, and one of them is located exactly to below of a fan exhaust, which could be a solution or there is a problem to have this one in this location??.. the system shall be FM-Approve CL. ___ Sprinklerforum m

MAIN PIPE DRAINS AND INSPECTOR TESTS

Hi, There is a Rule were it indicated about it is not possible to tie drains at sanitary sewer?? Thks. CLR ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-fi

RE: Hose Stream calculation

100 feet of hose with a 30 foot stream _ From: Sprinklerforum < <mailto:sprinklerforum-boun...@lists.firesprinkler.org> sprinklerforum-boun...@lists.firesprinkler.org> on behalf of Cesar Lira < <mailto:cl...@demek.com> cl...@demek.com> Sent: Wednesday, J

RE: Hose Stream calculation

. Para: sprinklerforum@lists.firesprinkler.org Asunto: Re: Hose Stream calculation How high it could reach is not as important as how high it could reach and still do an effective job of firefighting. On Wed, Jul 27, 2016 at 7:32 AM, Cesar Lira mailto:cl...@demek.com> > wrote: I need t

Hose Stream calculation

I need to know how high could reach of the water in a hose after the nozzle or how can I calculate it. Thks. CL ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesp

PVC FOR INCOMING SERVICE SUPPLY

Somebody know where can I found in any data sheet or FM rsection, if I can use a PVC pipe until the incoming supply service for a plant?? Or definitely I need to use a Ductile Iron. ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org

SIPRINKERS IN WAREHOUSE VER 80FT HIGHT

I have a doubt What kind or k factor of sprinklers can I use for a warehouse with more than 80 ft high. If FM has a section for this characteristics please to let me know. Regards. CL ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.o

JOCKEY PUMP ELECTRIC CONNECTION

In a pumps room we have two electrical circuits the normal electricity and the emergency circuit but What is than importan tie a jockey pump to emergency circuit. Or there are some rule ore cedes where it indicates where is more favorable connect the jockey pump or if I can connect to normal circui

FM APPROVED JOCKEY PUMP

Somebody know if a FM Approved Jockey pump does exist??.. We never use it but a customer is requesting an approved jockey pump ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerfo

SUCTION DISTANCE

Somebody know if exist a maximum distance between suction pump and tank?? And if it could be down underground after goes up to suction pump. (i.e. tank in one side of the street and pumps room in another side). Regards. CLR ___ Sprinklerforum mailing li

PAINT FOR FIRE PROTECTION PIPE.

Fire Protection Pipe, Painted or not Painted, Which will be the reason to paint the fire protection pipe?? ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.o

RE: WHEN TO DE USE BACK FLOW PREVENT???

at > all, and require a break tank with a fill line having an air gap > designed to a minimum specification (2 times the diameter of the fill > line above the flood rim of the tank if I reca ll properly). > > > On Thu, Apr 3, 2014 at 10:50 AM, Forest Wilson > >wrote: >

OUTLETS ENABLED PIPE " YOU AS CONSTRUCTOR"

If you are constructor, think that buying pre-ability or enabled pipes with outlets for branches it could be advantage for you?...or disadvantage. ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/list

RE: WHEN TO DE USE BACK FLOW PREVENT???

by the Department of Health or Water Departments. The rules may vary depending on the location of your project. Craig L. Prahl -Original Message- From: sprinklerforum-boun...@lists.firesprinkler.org [mailto:sprinklerforum-boun...@lists.firesprinkler.org] On Behalf Of Cesar Lira Sent

RE: actual hose flow

Theorically shall be 250 but The flow always wil depend by the flow pump and pressure independently if is for a hose or sprinklers -Mensaje original- De: sprinklerforum-boun...@lists.firesprinkler.org [mailto:sprinklerforum-boun...@lists.firesprinkler.org] En nombre de Steve Leyton Envia

WHEN TO DE USE BACK FLOW PREVENT???

Hi, everybody. Where can I use or where INEED to use a back flow preventer there is any rule for that???.. tHANKS ___ Sprinklerforum mailing list Sprinklerforum@lists.firesprinkler.org http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firespr

RE: Steeply pitched roof

Hi, everybody. Where can I use or where INEED to use a back flow preventer there is any rule for that???.. Regards.. -Mensaje original- De: sprinklerforum-boun...@lists.firesprinkler.org [mailto:sprinklerforum-boun...@lists.firesprinkler.org] En nombre de Todd - Work Enviado el: jueves

RE: Sprinkler design for class IV rack storage

Hi Scot. Could you explain what do you mean with Ergo named S.A.? C.L.R. -Mensaje original- De: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] En nombre de å... Enviado el: jueves, 20 de septiembre de 2012 03:34 a.m. Para: SprinklerFORUM@

RE: Excel with graph for pump test

If you could share your spreadsheet I will back you the file with the graphics. Regards. C.L.R. -Mensaje original- De: sprinklerforum-boun...@firesprinkler.org [mailto:sprinklerforum-boun...@firesprinkler.org] En nombre de gerzayn.fuen...@cepi.mx Enviado el: miércoles, 19 de septiem

RE: k -- WHAT?

Each K value that you want to obtain only use the formula. Q=√(P)*K K=Q/ √(P)K=250/√(100) For the case of 1.5 hose. Q=√(P)*K K=Q/ √(P)K=100/√(65) C.L.R. Jefe de Proyectos Divisón mecánica Demek S.A. de C.V -Mensaje original-

RE: RE: QR and SR heads in the same area

While temperature are the same not should be a problem. But this is not correct design combine different kind of heads for a same room. I think that who install it don’t fount all sprinklers in stock and for time he combine different heads. C.L.R. Jefe de Proyectos Divisón mecánica -Mens

Fire Protection for Mining.

Hello all the foroum Probably I will begin with fire protection in Mining. Someone know where can I found recommendations?,.. any NFPA section or which FM Standars. Thanks. C.L.R. Jefe de Proyectos Divisón mecánica Demek S.A. de C.V -- next part -

Preaction Systems

Hello,.. I have a Great dude. I've a wet sprinkler design and I want turn it to preaction system. Can I use all my actual configuration??,.. carbon steel pipe?,. grid system?... closed sprinkler??.. and all grid full water. Only I want change Riser preaction beside wet alarm and add smoke detecto

PREACTION SYSTEMS

Hello,.. I have a Great dude. I've a wet sprinkler design and I want turn it to preaction system. Can I use all my actual configuration??,.. carbon steel pipe?,. grid system?... closed sprinkler??.. and all grid full water. Only I want change Riser preaction beside wet alarm and add smoke detecto

Up-Right ESFR K17 AH

I Found an Up-Right ESFR K17 Tyco,. but.. Does anyone know when can I use It?,.. if the proper branch line could be an obstruction. Normally or never I have used an Esfr Up-right. Cesar L. -- next part -- An HTML attachment was scrubbed... URL: