• Clarification of NFPA 13R

    All, I am trying to determine how this is applied to an Apartment Building. It doesn't show up in the Appendix? Am I correct in saying it only applies where Exterior Balconies, Exterior Decks and Ground Floor Patios...
    created by ncarter
  • Technical Background of the fire pump test

    Hi, I'm looking for the technical background of the annul test condition of the fire pumps. Especially, Why do I need to do the fire pump test under 150% of the rated capacity flow. If someone has the information ab...
    last modified by j.k.park
  • FM200 System - Nozzle Consideration For Multi heights

    Dear All  ,    Subject : Clean agent system ( FM200 Gas ) Nozzle Location In multi height area of Enclosure    Good Day ,    Enclosure having multi heights in the FM200 System pro...
    created by ashikpn
  • NFPA 13R Expert Required

    NFPA 13R Expert Required I have a project that requires an expert in the implementation details NFPA 13R compliant water-based fire sprinkler systems installed in the attics of condominiums and apartments. Complying ...
    last modified by drboblewis
  • Fire Door Inspections

    What certifications are required to conduct annual Fire Door Inspections per NFPA 80?
    last modified by tmchugh
  • NFPA 770

    Hello NFPA experts, I have a question regarding NFPA 770, when it will be available 
  • Sprinkler in Metro Station

    Dear Sirs in NFPA 130 chapter 5 (fire protection System in Stations), is mandatory to install a sprinkler system, in the following rooms, Garbage or trash, Storage areas, concessions areas, or other areas with si...
  • fire alarm and signaling code

    hi everyone,  I am new to the field and i need your advice. i couldn't find a rule of addressable fire system in NFPA 72, where does require to install "addressable fire system" and "conventional fire system...
    last modified by gk.karkashadze
  • In-rack sprinklers for high storages

    Hello NFPA Xchange, I have a question about the sprinkler system in high storage. Does any of you have experience with rack storage of 130,000 sq feet in the base and 100 ft height? I can not find in NFPA 13 stan...
    last modified by nikolanmiletic
  • Fire Protection in MRI, CT Scan, X Ray, Fluoro rooms

    Which fire protection system would you recommend for MRI, CT Scan, X Ray, Fluoro rooms? NFPA99, NFPA13, NFPA101, nfpa2001, healthcare section
    Sandip Prakash Khairnar
    last modified by Sandip Prakash Khairnar
  • Kitchen suppression electrical actuation

    I am reviewing plans for a kitchen fire suppression system where the means for actuation is battery powered and the backup power source is also battery powered. Engineers are telling me that the battery life is 6 to 9...
    last modified by matt.knott
  • Fire Door - Bottom Clearance - NFPA 80 Section

    Hello,   In a previous edition of the NFPA 80 Code Standards, section specifies the maximum clearance between the bottom of a fire-rated door and the finish floor as 3/4" max. I looked at the 2019 edit...
    last modified by tinmanlieu
  • Dry sprinkler head!

    Why nobody sells dry sprinkler heads with thread size less than 1" ? May be are not allowed thread sized 1/2" and 3/4"?
    last modified by niko
  • Ceiling Void - Part of Light Hazard

    Dear NFPA Staff,   I understood that NFPA 13 has required quick-response type sprinkler systems in light-hazard occupancy.    In a light hazard occupancy, ceiling void (false ceiling) seems more than ...
    last modified by babu
  • Can a building owner remove a fire pump?

    I have a building owner that has a 38 year old fire pump that only supplied two standpipes in a 4 story apartment building. It did not supply sprinklers. About 10 years ago we removed the hoses and appliances in the b...
    last modified by m69421
  • Necesito una Bomba hidraulica para Prueba Hidrostatica de Red Contra Incendio (red de Hidrante), alguna marca o modelo Listada????

    Que bombas listadas hay???Fire Protection Systems
    last modified by parce@suatrans.pe
  • What is the concept of "Addition to existing light hazard system from NFPA 13 Chapter 9"?

    We built a new hotel and connected it to the existing hotel. The new hotel has its own fire pump and distribution line. The existing hotel has standard response sprinklers.   Can we adopt 9.4.3 (5) and install...
    last modified by harry.calabia
  • NFPA 10 Form for Mobile / Tablet

    2 votes
    I wanted to share this great tool for mobilizing the NFPA eforms: https://docspace.io  You can fill out the NFPA10 forms on your mobile or tablet device. Plus it adds additional functiona...
    last modified by japagley
  • Cargo train covered loading bay Sprinkler Protection criteria

    Hi,   I am currently designing a sprinkler system for a train distribution hub, said building has a covered loading bay where a train loads and unloads commodities and stores on an attached warehouse.   Th...
    last modified by ovicente
  • NFPA 25 - Annual Fire water pump test- Acceptance criteria

    In NFPA 25 , regarding Fire water pump Annual Performance test, one of the acceptance criteria is specified as  pump performance shall be within 95% of the initial unadjusted field test curve. If the initial fiel...