BUENAS NOCHES, en que articulo de NFPA 70 u otro se indica el tipo de material (metalico / no metalico / otro) para los tubos portacables de alarma y deteccion de un sistema contra incendios ?
    created by jcsalas
  • Clean Agent System, minimum distance of support to the nozzles.

    Hello everyone, I would like to ask your opinion pertaining to the requirements of the minimum required distance of pipe supports from the discharge nozzle of a Clean agent system particular to FM200. I check with the...
    last modified by vincent_balbuena
  • NFPA-55-Table 6.2.1 Design and Number of Control Areas

    Dear NFPA members I have following question on NFPA-55-   As per Table 6.2.1 Design and Number of Control Areas, it indicates that it is only allowed to have 4 Control Areas per floor per building.  In case...
    last modified by mahakalkarsv
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    last modified by mahakalkarsv
  • Foam sprinkler system Design

    Dear all ,    Sub : Foam sprinkler system Design:    one of my ongoing project , Foam water sprinkler system is required to protect the generator area of 675 square meter . as per NFPA 16 ,Design...
    last modified by ashikpn
  • Fire Pump Acceptance Test

    In NYC the Code Reference is NFPA 20-2007 for Fire Pump Acceptance. As per sec requires 150% of rated capacity of the pump. This is normally done at a test connection at the ground level. I witness a test t...
    last modified by tdelorenzo
  • All The new buildings in USA requires 10 years non-replaceable smoke alarm?

    All The new buildings in USA requires 10 years non-replaceable smoke alarm?   
    last modified by ankasales3
  • 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
  • Home Ec Room Hazard

    What would the hazard occupancy be for a Food & Nutrition Lab or Home Economics room in a K to 12 school?  The appliances are all electric and there is no fuel fired appliances in the building.  The rang...
    last modified by sugi
  • Standpipe  hydraulic calculation

    When you have a Class I standpipe system with four additional required standpipe riser in each exit stair way, you will have 500 GPM for the first two hydraulically remote outlet of standpipe plus 250 GPM each for the...
    last modified by schoi
  • Is kitchen hood suppression system required for all kitchen hoods, irrespective of the appliance as per NFPA?

    Is kitchen hood suppression system required for all hoods, irrespective of the appliance as per NFPA?   In our project, there is no cooking area like in restaurant. There are only Rational oven, chicken grill ma...
    last modified by artic
  • Do we need fire sprinklers in every room of hospital ?

    there should be expensive equipment in some rooms.
    last modified by matep
  • Bi-Directional Amplifiers

    If anyone has a suggested operating guideline, flow chart or checklist on BDAs that they could share with me, please forward it to sdube@hudsonnh.gov, and thank you in advance. Steve
    last modified by sdube
  • NFPA 55 - Table Maximum Allowable Quantity (MAQ) of Hazardous Materials per Control Area

    Dear Member , Our question is as follows- As per NFPA 55 - Table Maximum Allowable Quantity (MAQ) of Hazardous Materials per Control Area, it indicates the MAQ of storage for Compressed  Flammable gas an...
    last modified by mahakalkarsv
  • Fire Hydrant Piping Leak

    we have recently commissioned our fire network consisting of fire hydrants and sprinklers. During the commissioning of fire pumps, it was found that pressure is dropping in the fire hydrant underground piping network ...
    last modified by ananthars90
  • Foam sprinkler system design considerations

    I am looking for design solution with Foam sprinkler system for temp controlled ( 22-25 Deg C) storage area with a height of 12 mtr having flammable materials stored. Question : does this covered in NFPA 16? if not do...
    last modified by hemantkhadse
  • how to find information

    How can I find out which state adopted NFPA 72 as state law?
    last modified by shion.kanai
  • Fire Protection requirement for Conveyor Belts

    I have a question regarding the requirements to protect conveyor belts. Is there any requirement for fire protection of conveyor belt other than NFPA that are regarding coal mines? I want to know whether NFPA have th...
    last modified by sslfire
  • Sprinkler instead of fire rated doors

    I have an Ambulatory Surgery Center that needs a 1 hour fire rating to separate it from the adjacent functions in a medical office building and it is under the NFPA 101 2012 edition. The waiting room has existing glas...
    last modified by johngl4664
  • What is the difference between a sprinkler design and a sprinkler installation, to what extent does each person's responsibility

    #In a sprinkler design already reviewed by the Design Engineer, can the installer add more sprinklers to the system without letting the designer know? Or it is the designer who should review this new owner requirement...
    last modified by tony.vergara