• Operating Room battery powered back up lighting

    Battery powered back up lights in the Operating Room of a hospital.  We have tested our battery powered back up lights in the OR as required monthly for the past several years.  We have changed the batterie...
    last modified by rsladek
  • pressure jokcey

    How do I determine the pressure level of a cockroach pump? To maintain pressure in a fire protection pressure system. In nfpa 20 section 4.27 it is stated that pressure is needed to maintain the pressure due to leakag...
    last modified by officesup
  • Does BDA wiring have to be in conduit?

    NFPA 1221 5.5.2 states where installed in buildings, conductors and fiber optic cables shall be installed in accordance with NFPA 70 in anyone of the following wiring methods  electrical metallic tubing  i...
    last modified by frostybda
  • Fire Alarm Self Storage Building

    Self Storage Building      I have a question regarding a Fire Alarm notification requirements for a three story self-storage building The building has two elevators requiring smoke and heat detectors f...
    last modified by blaws
  • How To Calculate Occupancy

    I work in a detention facility, how can I calculate the occupancy of a room like our intake receiving holding tank. How many people can I have in our holding tank during the booking process. Our walls are cement block...
    last modified by david.sparkes
  • New Fire Extignuisher tagging

    So there is a debate going on about whether or not new fire extinguishers are required to be tagged.   NFPA 10 says it needs to be for annual inspections and such, but we cant find anything in regards to jus...
    last modified by rbunger

    Where there is a prompt for determining the jockey pump capacity
    created by officesup
  • Elevator Lobby as Area of Refuge

    I have a high rise health care project where the architect is planning on using an enclosed elevator lobby as an area of refuge.  Fully sprinkled building as required and the egress stairway entrance is in the el...
    last modified by jplemmons
  • NFPA-37. Maximum allowable Fuel Storage inside The Building

    I have some doubt regarding the Fuel storage tank within the building.   In one of the project in the basement level 3, we have  diesel fuel day tanks for the generators as below (Also drawing attached bel...
    last modified by rath
  • Fire Drills for Elementary Schools in COVID-19

    I am asking about fire drills during COVID-19.  I am looking at some aspects of reopening for my daughter's school in New York City.  Fire drills and social distancing are a concern.  The NY State regul...
    last modified by matt.bilson76
  • Can a propane tank be buried under a deck?

    Looking for opinions on placing underground propane tanks under decks at single family homes.  The code does not really address it unless you consider the deck a "Building."  Thanks for your input.
    last modified by edward

    Dears,   Is there any restriction for new FM-200 System installation due to Montreal agreement?  in 2020
    last modified by lapahamed
  • NFPA 285 Window Opening Design

    Hi, We  are testing a cladding system as per latest  version of NFPA 285, the client is using a 1mm thick Aluminium flashing to cover the window opening and at the same time the client wants to use a cavity...
    created by sujana.haridas
  • Generator Sub base Fuel Tank and Day Tank

    In IFC Table TABLE 2703.1.1(1) specified the  maximum allowable quantities of combustible liquid class II per control area and under those table have categories of storage, open system and closed system. I w...
    last modified by jmrivera
  • PVC irrigation riser in open stairwell

    In a parking garage with an open stairwell, is there anything that would prohibit a pvc irrigation riser from being installed in the corner of the stairs so long as minimum egress width is still maintained?
    last modified by cbaze
  • fire suppression system

    created by zuhairadm2006
  • NFPA 780 - ESE

    Does NFPA 780 cover Early Streamer Emission Lightning Protection Systems? 
    last modified by jdeveras
  • This should never happen.

                                            Thanks to NFPA and its readers they surely understand the true dimension of ...
    created by carretero110
  • Cooking in a temporary building

    We have a 5000 square foot temporary structure that will be used for dining.  The structure will be on location for 9 months.  The dining services group would like to use electric hot plates to perform cooki...
    last modified by bpellegrin
  • Switching for Fire Service Access Elevator Hoistway Lighting

    IBC 2015 Fire Service Access Elevator   3007.5.2 Hoistway Lighting   The code clearly indicates hoistway lighting is required to be active during fire-fighters' emergency operation, however, it provides no...
    last modified by gmorgenweck