• NFPA 1221, 4.5.2

    The question: NFPA 1221 4.5.2, The communications center and spaces adjoining the communications center shall be provided with an automatic fire detection, alarm, and notification system in accordance with NFPA 72. &...
    created by cjajh
  • 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.
    created by wahed.rehan
  • NFPA 13 - Closed Loop Systems

    In NFPA 13 Section Figure A.23.1.5 a closed loop system with sprinkler piping entering into Heating Ventilation and Air Conditioning Equipment is shown. In what specific instances is a closed-loop system required and ...
    last modified by tyler.mobley@outlook.com
  • Fire Protection Design Basis Study Reprot

    Hi Team,   My organisation requested a Fire Protection Design Basis Study report for the Fire Protection System. Where as the report identified with: Water Demand Calculations w.r.t to area considered Foam/Wat...
    last modified by sudheervarma.safe
  • UL Listed Valves

    Hi All, I was trying to find UL listed Valves for an underground Fire Water networks. However, all the UL listed sizes I found are 24" and below. I need 30" and 32".  Is there any manufacturer that supplies such...
    last modified by waelio
  • 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
  • Class II Standpipe requirement for light hazard occupancy

    I'm currently working on designing wet sprinkler system for a Dormitory of Ground and First Floor "Light Hazard Occupancy". The Building is fully sprinklered as per NFPA 13R-2016. The height of the First Floor is less...
    last modified by waelio
  • 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

    HI, Any one help me regarding FM-200 flooding factor according to NFPA which flooding factor we use for FM-200 system  i am use 0.55 but i dont found any NFPA lne about this any  one tell me. Thanks:
    created by abrar.b
  • Portable Church & Sprinkler System

    Hello! We are helping a portable church set up their space in an elementary school. The consultant is suggesting "scuba wall" a curtain that hangs from the ceiling, attached by magnets to the drop down ceiling grid. O...
    last modified by juliekane101

    Dear Expert, we would like to design sprinkler system for Bio gas storage, if following NFPA13, what is the density should I use? Please refer to products photo attached Thanks
    last modified by htvalves
  • Sprinklers in bulk grain storage warehouse

    I am working on a unshelled peanut storage warehouse and I can't find in the code  where it is exempt from sprinkler system in this warehouse.   In my 40 years of experience you never want to install sp...
    last modified by mikeshook
  • Automatic Extinguishers

    In one of my project consultant is asking automatic extinguishers in car parking area. For each car we have to fix one extinguisher on the ceiling and in case of fire the glass bulb (similar to sprinkler) will...
    last modified by abdulrafay80
  • UPS Alarm tied to fire alarm panel

    Is it allowable to tie a low battery alarm for a computer room UPS into a fire alarm system to allow the UPS alarm to be transmitted to the monitoring station?  The purpose of this is to notify site personnel, du...
    last modified by keith.knotts
  • Compressor for Preaction System

    In a multiple preaction system with several risers or preaction valves, can I use just one compressor to fill and maintain the pressure in all the systems? and If it possible to do that, how should I select the compre...
    last modified by eduardo.lizano

    In Combined Sprinkler/Standpipe System as per NFPA 14 we are taking standpipe connection before Zone Control Valve assembly which means before flow switch. So In case of stand pipe operation ZCV assembly flow switch w...
    last modified by abdulrafay80
  • 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
  • NFPA 22 dual refill lines

    Could someone please help clarify what exactly is meant by "dual refill lines" in the following section of the NFPA 22:   14.5 Break Tanks.... 14.5.3 Refill Mechanism. The refill mechanism shall be listed an...
    last modified by federicod
  • Fire Hydrant_Bollard Post Protection

    Hello,   I hope anybody can help me related to my concern.   I would like to ask if the fire hydrant needs a concrete bollard post? If we will install a bollard post protection is it a violation of a c...
    last modified by decir.ronald
  • IG100 design concentration for class B fires

    Dear all, Can someone please tell me what's the design concentration of IG100 for class B fires? Based on what I read in edition 2018 it would be 41,9% (32,2 * 1,3). I also got a document 'Public Input No. 33-NFPA ...
    last modified by chris.vernaillen