• First sprinkler operation time ESFR 16.8

    What shall be a first sprinkler operation time for a smoke ventilation calculation according to NFPA204 in building with 40ft ceiling and 35ft storage of unexpanded uncartoned plastics group A stored in single and dou...
    asprojekt
    created by asprojekt
  • Clarification of NFPA 13R

    Section 6.6.7 Sprinklers shall not be required in closets (Regardless of size) on exterior balconies and exterior breezeways/corridors, regardless of size , as long as the closet does not have doors or unprotected pen...
    schoi
    last modified by schoi
  • What sprinker ITM software do you use?

    Just want some feedback from other sprinkler companies on what software they are using. 
    hfontana
    last modified by hfontana
  • Bombs room

    must the accessories to be installed in the pump rooms be flexible or rigid?
    ehromero
    last modified by ehromero
  • Buenas tardes, En la NFPA 20  para la instalación del equipo en el cuarto de bombas habla de acople flexible (numeral 5), este acople se refiere a los utilizados para la unión de la tubería?

    ehromero
    last modified by ehromero
  • Application of intumescent paint to structural elements

    A client of ours proposed an alternative for passive protection system on stair enclosures by applying intumescent paint to beams and columns surrounding the enclosures. However, the intumescent paint was applied only...
    yopiprabowo
    last modified by yopiprabowo
  • 13 or 13R

    Constantly get multi family / Hotels etc and architects calling for NFPA 13 instead of 13R often finding out that it only needed 13R and it seems the architects are applying 13 as a ways to cover their selves. I reali...
    jcouch@vfptx.com
    last modified by jcouch@vfptx.com
  • Fire Pump replacement

    In my city a hospital equipped with a fire pump has decided to replace the existing pump "voluntarily" because it is approaching it's end of life (their words). The question is when replacing this pump should they be ...
    scott4399
    last modified by scott4399
  • NFPA 2001 ¿What would be my correction factor if my equivalent altitude is over 14,000 ft?

    In Chapter 5 in NFPA 2001, edition 2018  There is a table, Table 5.5.3.3 Atmospheric Correction Factors.   ¿What would be my correction factor if my equivalent altitude is over 14,000 ft? ...
    cperez_0
    last modified by cperez_0
  • RED HUMEDA - COLOR TUBERIAS

    BUENOS DIAS, EN ALGUNA NORMA NFPA INDICA LA OBLIGATORIEDAD DE PINTAR LAS TUBERIAS DE LA RED DE AGUA CONTRA INCENDIOS DE COLOR ROJO ?
    jcsalas
    last modified by jcsalas
  • Metal Mesh on Attic Floor

    I have a situation with a very old building.  I am in Ontario Canada so we use our own building code, not IBC. The building has a complete wet sprinkler system throughout with the exception of the attic, which h...
    jpotvin
    last modified by jpotvin
  • Using SLC module to trip Communicator

    UL 864 (in section 54) has very stringent requirement for the use of the alarm contact to trigger central station communication method and not a control module on the SLC.   This is due to a requir...
    brian.lukus
    last modified by brian.lukus
  • Selection of k factor for sprinkler and water demand

    Hi. My question is regarding Sprinkler K Factor selection.   Can we go with pendent sprinkler of K-5.6 for a small storage of 25 x 20m in a commercial building where material like electric meter and other electi...
    manojdagarwal
    created by manojdagarwal
  • Pump type and elevation

    Hello   Does the NFPA mention whether one pump is sufficient for protection? is it required as per the NFPA to install a full set of pumps (Electrical, diesel backup and a jockey) for all cases ? what's the...
    kaldodi
    last modified by kaldodi
  • Is the depressurization start permitted or not of the fire electrical pump?

    Hi, everyone, good day! The general depressurization start mode of motor is soft start and  star-triangle start, for fire electrical main pump and jockey pump, are these start modes permitted or not in...
    zhangya
    created by zhangya
  • Question for NFPA2001 Clause 1.5.1.5.3?

    Dear, everyone!  In the clause 1.5.1.5.3, it says if "design concentration exceeds that approved for use in normally occupied spaces ",we shall take FOUR measures(see below) when design, howe...
    zhangya
    last modified by zhangya
  • Maximum velocity of 20 ft/s in fire protection sprinkler piping systems. Is this acceptable?

    Per NFPA 13 (2020 edition) and earlier versions, the maximum velocity limit in the fire protection system pipings has not been specified to be limited up to 20 ft per second.  Since it is unspecified, it follows ...
    rick.nunez.3000
    last modified by rick.nunez.3000
  • What are listing report and listing organization?

    Dear, everyone, when I reviewed the NFPA 2001 chapter 9, I am confused about the listing report and listing organizations, dose anyone can explain for this question? Thanks a lot!   9.12 Approval of Installations...
    zhangya
    created by zhangya
  • This question is about sizing a tank for fire protection

    We have a site with no water supply and all fire protection will need to come from an above ground storage tank. The question is, when sizing the tank do you need to add the site fire flow requirements and the fire sp...
    rpfeiff
    last modified by rpfeiff
  • Non-Restorable Fixed Temp Expired Heats

    Does anyone know of a company in the New England area that tests (lab tests) fixed temp non restorable heat detectors that are expired? Never had a customer come back and want this option but here we are .  No r...
    kerrie
    last modified by kerrie