• 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
  • Does anyone have a good SOP for dealing with a FM 200 discharge?

    Does anyone have a good SOP for dealing with a FM 200 discharge? We recently had a still unexplained event that caused a FM 200 discharge in a small computer room. During the discharge, an employee ran into the room a...
    last modified by rmuratore
  • 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
  • Clarification required in water supply calculation in Aircraft hangar fire protection as per NFPA 409

    Details of the Aircraft Hangar: We need to protect an Aircraft Hangar - Group 1 as per NFPA 409. Our protection scheme is Option 1. Foam water deluge system shall be installed under roof ceiling as primary prote...
    last modified by shivaji.santhanakrishnan
  • Pump room sprinklers

    In a fully sprinklered building, is it the intent of the code not to have to sprinkler a pump room housing an electrical driven fire pump when the total encloser is 2hour rated?
    last modified by maryd
  • 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
  • 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
  • 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
  • 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. &...
    last modified by cjajh
  • 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
  • NFPA 2001

    Dear All , According to NFPA 2001, Ed. 2018, section Welding shall be performed in accordance with Section IX, “Qualification Standard for Welding and Brazing Procedures, Welders, Bra...
    last modified by hmeslhy
  • 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