• Change in Occupancy (NFPA 101)

    I am trying to get to the bottom of an construction issue and was hoping to get some help.  Background This is occurring in a jurisdiction that has adopted NFPA 1 and 101. Significant construction project in whic...
    last modified by ffz290
  • DMP New Panel Install

    We have 19 buildings in HOA, 4 units in each building for a total of 76 units.  30 year old fire panels need to be replaced and considering using DMP  XR150FC Fire Control Panel, 630F Remote Annunciator, 263...
    last modified by tania.gire
  • PVC pipe on standpipe system

    Good day all, What is your experience using PVC SCH40 pipe on standpipe systems? eg for hose reels? Although NFPA 14 does not reject it's use, I am concerned about its heat resistance.    Thanking you in ...
    last modified by kavir
  • define section 605 in 2015 international fire code

    I'm installing a interactive solar photovoltaic sysyem 53.460 kWpdc Winston-Salem North Carolina   Fire Plan reviewer is requiring a center-line axis in both axes of the roof. 605. (2) I fully understan...
    last modified by jetchells
  • NFPA 211 "Qualified Agency" question

    According to NFPA 211 Qualified Agency is any individual or company that is engaged in connection venting repair, installation, service .....and has experience in such work.  Does that person need a specific cert...
    created by talibensenior3
  • Who can do maintenance?

    Isn't there a reg that allows for property managers and engineers to perform maintenance on their own systems?  Obviously we understand inspections, etc. must be done by licensed personnel...
    last modified by javenmarg
  • According to NFPA 2001 , when using Halocarbon systems, how to take the specific measures to limit the exposion time within 5minutes if the select the design concentration above NOAEL ?

    In the provison clause1.5.1.2 of the NFPA2001, regarding to Halocarbon systems, "Halocarbon systemsforspaces that arenormally occupied and designed to concentrations above the NOAEL[seeTable1.] shall b...
    created by zhangya
  • NFPA 12 - Setpoint of PRV for CO2 Flooding System

    Clause of NFPA 12 has the following requirement: For high-pressure systems, the pressure relief devices shall operate at a pressure no less than 2400 psi (16,547 kPa) and no more than 3000 psi (20,864 ...
    created by saintvida
  • How to determine the types of the hydrant for different protected rooms as per NFPA 14, Class I, Class II or Class III? 

    Within the NFPA 14, there are three types of hydrant are available to be selected, namely, ClassI, ClassII and Class III, also, the different configuration and different calculation method also illustrated in the stan...
    last modified by zhangya
  • Negative suction fire pumps for existing water tank

    Hi, We are designing fire protection system for an existing plant. Plant has sufficient under ground tank and pumping capacity with negative suction. Due to addition of new building height, project need to chan...
    last modified by vasu.chittem
  • Is anyone doing the 5 year hydro-static testing for FDC's according to NFPA 25?

    I'm with an AHJ and we were thinking of enforcing all of the NFPA 5 year inspections. Just looking for thoughts and advice on who out there is testing the FDC's according to 25. Thanks. 
    last modified by sgrube
  • How to prevent a standpipe hose connection from malicious opening?

    I have a NFPA 14 standpipe that I want to prevent from inadvertent/malicious opening of the hose connections. What suggestions do you have?  This is what I have been able to come up with: Put caps on with a spa...
    last modified by jzour
  • Spacing above an open grid ceiling

    NFPA 13 2013 Ed. Section 8.15.14 (1) (a) "In light hazard occupancies where sprinkler spacing (either spray or old-style sprinklers) is less than 10 ft x 10 ft, a minimum clearance of at least 18 in. shall be provided...
    created by hshengst
  • Fire Detection System

    We want to install fire detection system in the area where HVAC system is already installed. In case, if we install the fire detection system on roof which is above 1.9 m from cool air supply duct the possibility of a...
    created by syed.bilal
  • Smoke Detectors above suspended ceiling - Beam Pockets

    Working in Nassau County, NY where we are designing for Above Ceiling spoke detectors where the ceiling above has beam pockets.   My question is when the NFPA references ceiling height, is it the height above th...
    last modified by mlworthleyjr
  • What NFPA Code Number details fire suppression wet pipe flow direction and function labeling requirements?

    I am currently trying to repaint scaling and corroded pipe a large scale facility fire pump room with multiple pumps for redundancy purposes.  What code will I need to look at in order to find the system flow dir...
    last modified by bill.kapella@lmco.com
  • Floor control valve above false ceiling in accesible toilet?

    Hi there, I´m in a Multistorey building supervision and have a question, in an automatic dry sprinkler system can I locate a floor control valve above the false ceiling?, the floor control valve is inside the ac...
    last modified by wilmarhernan
  • Fire extinguisher

    What is the distance between ABC fire extingguisher
    last modified by alfred.abreu
  • Quick Response Sprinklers In a Dry System?

    Hi there,   I would appreciate some feedback on using quick response sprinklers in a dry system. I have found no reference in NFPA 13 indicating specifically if QR Uprights can or can not be used.  Therefor...
    created by bikerben
  • Lintel or Soffit spec. for back-to-back sidewall spray sprinklers

    NFPA 13, Ed. 2016, clause requires back-to-back sidewall spray sprinklers to be separated by a continues lintel or soffit. What should be the dimensions, and if any other requirements, of the required l...
    last modified by morteza_nemati