• Special Stages (360 stages)

    Context: Fire protection to a 360° Stage According to NFPA 101, the stage and the auditorium seating area shall be completely separated by a proscenium fire curtain/wall.   This should be applied the same ...
    last modified by ftorres
  • What are small companies doing to provide affordable health insurance to 10 employees or less?

    We are a small fire suppression and alarm company.  What are small companies doing to provide affordable health insurance to 10 employees or less?
    last modified by admin@proshieldfire.com
  • Fire Water Requirements

    Does anyone know the requirements about fire water quality, what kind of water can be use for fire extinguishing, could someone recommend the minimum requirements in the NFPA standard for this issue?
    last modified by zhangya
  • Traverse flue spaces

    Hi,   I have a question about traverse flue spaces. In NFPA 13 is " Nominal 6in traverse flue spaces between loads an at rack uprights shall be maintained in single-row, double-row and multiply-row ...
    last modified by tmalanowicz
  • Design criteria CMDA solid pile up to 3.6 m

    Hi, I need some advice regarding the categorization and the design criteria for CMDA sprinklers of solid pile Class I to IV  storage up to 3.6 m (the building is a warehouse). The issue is that in NFPA 13 2016 ed...
    created by vantoniou
  • conversion from gpm/ft² to mm/min

    Good morning, I am an engineer who deals with fire-fighting systems in Italy. Reading the NFPA 13 standard, I realized an error (I hope so) in the conversion between gpm / ft² and mm / min in Tables 18.4 (a), 18....
    last modified by b.cristallo
  • How to handle hanger and the support for  clean gas system according to NFPA 2001

    When i design the IG541 gas extinguishing system, there is no specific requirements about how to design the hanger and support? Now, for me there are two choice below, i don't konw how to deal with this issue: 1. Usi...
    last modified by zhangya
  • ESFR k 25.2 spacing

    Hi,   I have an existing ESFR system k=25.2 pendent, some sprinklers spaced less than 2.4m around 15 cm what is the best solution for this case? knowing that it is impossible to move any branch.   thanks,
    last modified by yousef_alshayeb
  • Tank heater or no?

    My question is in the NFPA22 Standard for water tanks for private fire protection. 2018 edition. In chapter 16 Tank Heating. "16.1.1 Tanks that are subject to freezing shall be heated." "16.1.2* The heating system ...
    created by hogatefire
  • What is a dust top?

    NFPA 13 A. refers to cloth or paper dust tops. What is a dust top
    last modified by emil.ohler
  • Barrier dry fire stand and sprinkler piping underground

    NFPA-13 indicated the following:  Dry Pipe Underground, Where necessary to place pipe that will be under air pressure, underground, the pipe shall be protected against corrosion. Unprotected c...
    created by f.hanna
  • NFPA 25: Replacement of a Power Monitor

    Colleagues, hope all of you are well,   According to table 8.6.1 of NFPA 25, in case of replacement of a power monitor, I shall "Perform six operations of the circuit breaker/isolation switch disconnect (cycle t...
    last modified by ivan.balashov
  • White Paper Examines Importance of LPS in the Built Environment

    You do not have access to this content's place
    created by kiml
  • Fire Watch Inspection Frequency

    I am looking for information regarding fire watch frequency.  The policy we currently have in place states that a "fire watch inspection tour will be made...no less than every thirty (30) minutes throughout the a...
    created by sharris
  • Does a combustible attic space require sprinkler coverage?

    I need some advice on determining if an attic space is considered a "concealed space" or not and when it requires sprinkler protection. There are so many interpretations of what attics are considered.   My...
    last modified by jpotvin
  • 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
  • Fire Protection to Fire Water Piping in LPG Sphere Dike?

    Greetings to everyone, I have a question:   In my company we have LPG storage spheres, these have their own water spray protection system in case of nearby fire. Now the AHJ says that it is necessary to install ...
    last modified by juan.guaylupo
  • Can you disable a smoke detector temporarily with a dust bag for maintenance work?

    Hot work needs to be done in a school, a four inch steel pipe needs to be cut to be specific. Is it against code to cover the nearby detector with a dust bag temporarily while the Hot Work is being performed?  My...
    last modified by xwhitney
  • Leak detection requirements for underground storage tanks.

    Are newly installed underground storage tanks  intended for fire water suppression storage required to go through a leak testing procedure prior to being put into service?
    last modified by dhauser
  • Fire Alarm

    Is there a code section that defines what the maximum distance a fire alarm cellular communicator can be from the fire alarm panel? I am aware of the smoke detector requirement.
    last modified by dashton