• Fire hydrant private network

    Good day, can an underground fire hydrant private network be used as the test manifold for a fire pumps that has a flow meter instead of installing a testing manifold. There are 3 hydrants on the network whi...
    last modified by pothier.celine
  • FM 200 Pipe Line

    Hi Guys,   Just let me know, Can we pass the FM200 pipe line beside the cylinder for floor void.   Attached isometric for your reference.   Thanks,   Naqash
    created by naqash.kazmi
  • NFPA 13 2019: Pipe Stand Components

    A question on pipe stands-installed per NFPA 13-2019 edition. To support valve headers, components, valves, backflow preventers, I understand you need to support the load with a stand of 2" sch. 40 pipe, of a maximum...
    last modified by quickresponse@verizon.net
  • FM 200 SYSTEM AFTER 2026

    Hi experts,   I heard FM 200 system is going to be obsolete from 2026 by IPCC, if this is correct can any one provide me with supporting documents or the report from IPCC.
    last modified by wahed.rehan
  • Is it necessary to install the bypass pipeline for bypassing the deluge valve in the Sprinkler Systems?

    are there requirements which it should install the bypass pipeline for bypassing the deluge valve in the Sprinkler Systems In the NFPA13 and NFPA15?
    last modified by xujy27
  • MEC (Minimum extinguishing concentration) of FM200 in automatic painting room

    In the automatic painting room, what is the MEC shall be adopted for FM200 clean agent system? And what shall be the safety factor?
    created by 603656408
  • Dry System couplings

    Is it Nfpa 13 code for dry systems that the couplings have a flush type gasket? In the 2010 edition it states the coupling and gasket shall be listed but I can not find anything stating the type of gasket to be used....
    last modified by districtfireprotection
  • Are sprinklers required beneath trampolines in indoor facilities?

    Looking for information or code related to trampoline parks, is there currently anything requiring sprinklers below the trampolines in the concealed space?
    last modified by troy.long@salina.org
  • Fire Hose Reel Line location in Sprinkler System

    Hi All,   Need confirmation re location of Hose Reel joint,  A- After Alarm Valve? B- Before Alarm valve.?   Regards,
    created by yousafimran_353
  • Storage occupancy

    Dear Guys milt.werner,   As per the attached drawings this is one of the Textile shop fit out inside the mall and inside shop the they are having a storage occupancy in Back of house area  Storage details ...
    last modified by hazmanmech
  • Aerosol System

    1. which are the rooms can be use for Aerosol system as per NFPA ?     Regards Hazman
    last modified by hazmanmech
  • Power for water mist system

    We are designing a water mist system. The system is dry type with multiple pumps to pump water in case of emergency.   How should the power connection of water mist system shall be designed.   Per NFPA 75...
    last modified by yatish
  • Minimun size for standpipes

    Good day, I need someone help me with the minimum size for a class II standpipe and branch lines. According to NFPA 14 7.6.1 class I and class III standpipe shall be at least 4 in. I have a class II design (by others)...
    last modified by maykol8850
  • Spray Booth Protection in Building Requiring Sprinklers

    I have a large spray booth that a customer is installing in a building that requires sprinklers. There is not enough water to protect the booth with sprinklers. Can I protect this spray booth to NFPA 33 with a dry che...
    last modified by todd@westernfire.ca
  • Water Curtain

    If a water curtain is installed, what is the equivalent fire separation rating?  any related code for a Water Curtain sprinkler spacing with a grid installed sprinkler spacing?
    last modified by anthony.arellano
  • NFPA 130_Trainway separation

    Article of NFPA 130 requires separate tracks in enclosed trainways to be divided by a 2-hour-rated fire separation. This 2 hours FRR is based on which UL test? Thank you.
    last modified by alejandro.camalda
  • What does NFPA say regarding the installation of the automatic sprinkler system in an existing textile factory?

    A textile factory qualifies for the recommendation for the automatic sprinkler system as per NFPA. But since the hardware modifications are going to be rigorous, is there an alternate solution for this problem? Can we...
    last modified by saroosh.khan
  • Gravity Waste Chutes

    This question is in regards to NFPA 82 code section  This code section requires that "In addition, a sprinkler shall be installed within the chute at alternate floor levels in buildings over two storie...
    last modified by mstossel
  • Dry System alternate use

    I've spent the morning looking for the the code I need, but haven't found it.  Can anyone point me to a section that clearly explains that dry systems shall not be kept charged (thereby making it a wet system) an...
    last modified by taylo2ae
  • NFPA 13R Basement- What is the Hazard?

    Hello    I am working on a fire sprinkler design/drawing for a 3-Story R-1 Tourist Home, District R-3. They are converting an existing, three-story, single family home into a five unit, short term rental ap...
    last modified by christophers