• NFPA 99-2015 Edition

    NFPA 99 Health Care Facilities Code 2015 Edition, Chapter 7 Information Technology and Communications Systems, Category 1 Systems, paragraph 7.3.1.2.3.4(D), requires the telecommunications room to be located a minimum...
    2124288
    last modified by 2124288
  • Seismic Joints

    NFPA #13 paragraph A9.3.2.3(4) gives a clear definition of an expansion joint . I can't find a definition for a seismic joint. There are different requirements for each of these items. Can anyone help ?   Thanks
    jsayre46
    created by jsayre46
  • NFPA 111 Battery testing

    It seems to me that in NFPA 111 that the minimum requirements for testing is monthly and then a choice of either taking periodic ohmic readings on all batteries and other operating parameters (NFPA 111, 8.4.3.2) or an...
    bdpower
    created by bdpower
  • Brush Fire Prevention Question

    Hello everyone,   We are trying to determine the best method to protect one of our transmitter sites.  It is located in a marshland that becomes very dry in the summer.  Does NFPA have any recommendatio...
    shane.a.taurinski
    last modified by shane.a.taurinski
  • Sprinkler Spacing & Location on Flat & Sloped Ceilings in regards to Cold Soldering Effect

    Please find for discussion mentioned drawing and picture. The mentioned picture shows an upright head on the flat ceiling with a pendent on the slope ceiling. The writer feels that the six foot cold soldering effect w...
    hringline
    created by hringline
  • Fire Rated Cable with reference to attached drawing

    With reference to attached drawing for Kitchen & Dining Area (30mts x 12 mts), I would like to know what type of cable is required to comply with the NEC & NFPA 72. How about Fire-Rated Cable in this type...
    ert_gmac
    last modified by ert_gmac
  • what about churn pressure and how it calculated

    chur pressure 
    magedelsaey562
    created by magedelsaey562
  • 110.16(a) Exception needed?

    NFPA 70 2017:  110.16 (A) Electrical equipment, such as… industrial control panels, …shall be field or factory marked to warn qualified persons of potential electric arc flash hazards, but why is it...
    apineo
    last modified by apineo
  • NFPA Conference and Expo

    Is there going to be anything for those on the NFPA Forum Team that week?  I know the meeting in Quincy is in the fall but I was wondering if we should try and come out there.  If so, is there a discounted r...
    paul.acosta
    last modified by paul.acosta
  • Applied Research Director Opportunity at NFPA

    NFPA has an exciting opportunity for an experienced research professional to join our team. The Applied Research Director will support NFPA’s strategy as a fire safety information and knowledge provider by ...
    kathleenalmand
    created by kathleenalmand
  • NFPA 72/101 AUDIBLE DELAY

    Hi.... Can you tel me if there is anywhere in NFPA 72 or NFPA 101 that supports a delay in audible notification?
    tina.choy@gov.ky
    last modified by tina.choy@gov.ky
  • ESFR Sprinklers & Hose Stream Demand

    As per NFPA, minimum hose stream demand when using a sprinkler system based on ESFR sprinklers is 250 GPM.   For attaining this hose stream demand, do we need to use Class I system using 65mm Landing valves or I...
    josyjoseph_007
    created by josyjoseph_007
  • R290 Refrigerant

    We are looking to convert to R290 refrigerant for our product line. We will be building a test room where we can charge our units with R290 and test them. This room will be equipped with a ventilation system that...
    jneitzel
    created by jneitzel
  • Are sectional assemblies considered separate systems?

    Are sectional assemblies considered separate systems?   For the purposes of internal pipe inspections, is each sectional assembly considered a separate system that would require its own separate internal inspec...
    lj@midcon.net
    created by lj@midcon.net
  • 20 sqft of load creates a solid shelve ?

    NFPA 13 (2016) 3.9.3.8 and A.3.9.3.8, Any load greater than 20 sqft would require rack sprinkler protection ?  So the racks that hold 4x8 sheets of drywall at home depot would require in rack sprinklers because f...
    eesselman
    last modified by eesselman
  • Whether we could use dry type dust collector for metal dust Kst => 150 bar*m/S

    NFPA 484 clause 9.4.13.14.1 " Media collectors shall not be permitted unless the combustible dust Kst is less than 150 bar-m/s"  Does it mean that dry type dust collector could not be used for combustible dust Ks...
    nickylam
    created by nickylam
  • can i use EMT instead of RGS in mechanical room

    In Residential housing can i installed EMT conduit in Mechanical room, instead of RGS conduit.
    lllsadiqlll
    last modified by lllsadiqlll
  • Fire protection of a board press

    What is recommended to protect a multi plateau board press heated with thermal oil?   Hood protection: along the press: (anybody have heard about mist to pretect the press?) in the pit (thermal oil spill). ...
    russgh
    created by russgh
  • Hold-Open Devices on Rated Stairwell Doors

    I would like to get some opinions and input in regards to hold-open devices on rated stairwell doors.  NFPA 101, 7.2.1.8, allows for these devices to be used on stairwell doors as long as the 5 requirements are m...
    ccolson
    last modified by ccolson
  • Disposing of Smoke Alarms

    Dear Lisa,                         I like the new tip sheet. This will be very useful with our smok...
    sawyerd
    created by sawyerd