• Does anybody knows Fire Sprinkler System Coverage Requirements for Balconies and Terraces?

    Hello.i want to know information about restaurant with terrace does need sprinklers?
    last modified by ismael
  • Inergen Pipe dislodged during discharge

    We had several discharged of inergen system on our substations. There were three such occasion wheres two of the incident had pipe dislodged.   I was asked by my superior how did that happen? I understand that t...
    last modified by idrus
  • Q: Please advise w/n NFPA13D per 2009 IRC 313.2.1 includes Water Leak Detention and Automatic Shut-off.

  • Fire extinguishers for generators??

    A building contractor is telling me that I need to install a fire extinguisher (properly sized/rated) within the enclosure of my exterior standby-power generator. I cannot find a requirement for this in NFPA 1, NFPA 1...
    last modified by thecodecoach
  • NFPA 96 Exhaust Rooftop Termination

    Are there any known or frequently applied, accepted methods to reduce the 10 ft. minimum distance requirement to adjacent buildings and property lines as per NFPA 96 (2017) section Restaurant tenant has ...
    last modified by jgreer
  • Elevator Recall and flow switch

    Does Fire Sprinkler riser's water flow switch initiate elevator emergency recall? In NFPA 72 "Table A." Typical Input/Output Matrix" shows water flow switch on first or second floor initiate elevator emer...
    created by zara.mosavat
  • Water Pumping Stations

    Hi, In Which occupancy and hazard will cover the Water Pumping Stations as per the NFPA?. Please share your experiences. 
  • Do I need Sprinkler System in PA for Single Detached Family Residential?

    I have a township building inspector requiring me to put in a sprinkler system into my house that we are rebuilding and it is a single family residential on a 2.5 acre lot. Why would I need this?!
    last modified by berzinhomes
  • Hangers

    Looking in the NFPA13 2016 handbook and trying to find some verbiage about hanger spacing and location of hanger when we have pipe direction changes for a 1 1/2" , 2" , 3" , 4" and 6' pipe
    last modified by anthony.arellano
  • Which fire pump size, shall I consider for a combined sprinkler/stand pipe CLASS I system

    In a  new hotel with a combined sprinkler/standpipe system CLASS I, (23,46 m height of occupable story), which water demand and pressure we must considered for the size of the fire pump ? 
    last modified by crodriguez
  • Galvinized Pipe and Fittings

    I have a concerned issue with using galvanized steel pipe (ASTM A53) and malleable iron fittings in a combination water supply to domestic water systems and fire sprinkler systems.   Galvanized pipe and fittings ...
    created by wileywilson
  • Pressure Relief Valve according to NFPA 13-2016 7.1.2

    I have a wet pipe system that is fed from an Electric fire pump rated 1000 gpm @100 psi. Is it still necessary to install a pressure relief valve in accordance with NFPA 13-2016 7.1.2 despite the fact that I won't hav...
    last modified by waelio
  • CO2 Fire suppression total flooding system

    Hi All,   Can anyone explain to me the meaning of free efflux flooding method of application for CO2 total flooding solution? It is mentioned in NFPA 12 Annex D and couldn't figure out the difference between it ...
    last modified by waelio
  • Kitchen Hood

    Hoping to get clarification between NFPA 96- 11.6.4 (2017) which states Fire suppression systems shall not be rendered inoperable during the cleaning process and NFPA 96- 11.6.5 (2017) which stated components of the f...
    last modified by ecordero
  • foam bladder tan and deluge valve

    Dear all,                  the line between foam bladder tank and deluge valve should be empty or filled with water or foam .
    last modified by kurd76
  • Code number for 20 year Quick Response Spinkler head inspection

    I am coming up on our 20th anniversary.  What is the code I have to follow for the quick response heads inspection and testing? How do I get a copy of it?
    last modified by mark_rettig
  • Water Curtains

    Hi,   I've run into a situation where a client has added a water curtain line on all of 4 sides of his thermal oil boiler room (inside the boiler room - boiler is between to other rooms). This water curtain is f...
    last modified by evan.jannoulakis
  • Stainless steel pipe for sprinkler systems

    Engaged in a sprinkler system replacement project where the use of stainless steel piping is the best fit for the conditions encountered.  However, NFPA 13 does not include stainless in the pipe material choices ...
    last modified by redd682
  • Sprinkler Head Obstruction

    My question references NFPA 13, 2010; please adjust as needed for later editions. Pages 13-76 & 13-77, Figures,, & These show vertical & horizontal sprinkler head dimensio...
    last modified by jsworks

    Hello, I have one high rise building covered with a combined system but partially sprinkler (ordinary hazard G 01). 01- there are more than five risers. 02- as per standpipe calculations, system needs need 1250 GPM. f...
    last modified by eng_m_m.abd89@yahoo.com