Hi everyone,    After going through the chap17 in NFPA13, i could not confirm nor deny the use of RIGID SUPPORTS instead of conventional hangers to support the main and secondary collector.    th...
    last modified by haythem.mbarek
  • Nitrogen in a Wet System

    A vent is required in a sprinkler system at a high point to allow trapped air to be exhausted from the system, thus having less oxygen for the metal piping to react with. Thinking "out of the box" here, would it be he...
    last modified by fm4802
  • NFPA 96, Section 7.8.3

    Hi NFPA 96 requests a non combustible wall for grease duct termination in  7.8.3 (1): "7.8.3 Wall Terminations. Wall terminations shall be arranged with or provided with the following properties: (1) The termin...
    last modified by hassan.zm41
  • Main Bonding Jumper Location and Main service Disconnect Residential

    Hey guys,  I'm doing a 3600 sq ft residential job where there is 1800 up and almost 1800 finished basement. The homeowner wants the panel located in the utility room in the basement which is 35' (cable length) aw...
    last modified by jeff_schirmer
  • Ammonium Nitrate Considerations and Safety Requirements for AHJs, Facility Managers and Building Owners

                              NFPA has released a new fact sheet in English and Spanish to help clear up misconceptions about ammonium nitrate dangers. The...
    last modified by cathylongley
  • Ruminating About Research

    This infographic is also available in Spanish at www.nfpa.org/foundation   I recently sat in on an information-sharing session called Coffee Time at NFPA. Coffee Times are conducted (internally, but virtually the...
    last modified by jimpauley
  • An innovative community event drives home wildfire preparedness

    A Firewise site in California used the five-year anniversary of a tragic wildfire and the rebuilding of a damaged local bridge to host an innovative community event that drew residents and numerous local agencies....
    last modified by luciandeaton
  • NFPA’s Matt Klaus to Moderate Panel on Considerations for Warehouse Fire Safety during November 4 Webinar

      The National Fire Protection Association (NFPA) will host a Considerations for Warehouse Fire Safety webinar on Wednesday, November 4, 2020 at 1:00 p.m. (EDT) for contractors, installers, engineers, facility m...
    last modified by cathylongley
  • Recognition of Canadian Z462-15

    Hi Community,  Is anyone recognizing the Canadian Z462 training in the US as equivalent to NFPA 70E?  If so, if you had a qualification card for Z462-15 and with an expiry of Nov 2022, would that be honore...
    created by bbickert
  • Tragic Columbus Fire Reinforces the Importance of Working Smoke Alarms

    A Columbus, OH family of four lost their lives to an early morning fire this past weekend, caused by embers from their fireplace igniting nearby flammable materials. According to news report, while the home had smoke ...
    created by cthompson
  • Fire Pump for high-rise buildings

    I have a questions. 1. My consultant have design fire pump supply sprinkler and fire hose Class III for high-rise buildings. And, They have the selection of fire pumps size 750 GPM - quantity 2 set for...
    last modified by thanomsak.c
  • How to protect the attached building from fire.

    Good day   I'm Mahesh from Thailand. I have a question about 2 building the attached by pipe bridge with service pathway(Catwalk) covered by a metal roof. (Please see the picture) And the problem is the small bu...
    last modified by rai.mahesh
  • Listed foam directional spray nozzles

    With referance to NFPA 16 edition 2019 section A.3.3.2 Discharge Device, The spray nozzles are described as following: "Spray nozzles are open, directional spray nozzles. Where supplies with an approved foam...
    last modified by mch
  • Complying with the Life Safety Code: There’s More to It Than You Think

      I know I'm not the only one who walks into a building and immediately starts looking around to see what kind of life safety features a building has. When I’m looking around, I’m usually comparing w...
    last modified by vboutin
  • Question on 211 code

    Hi Everyone,   I am purchasing a home and am having trouble finding specific codes under 211. My question is related to how stainless steel chimney liners should/should not be installed in an older masonry chimn...
    last modified by michaelmezz
  • Clearance through fire rated walls

    What is the minimum clearance for 4" pipe through a fire rated drywall wood stud wall?
    last modified by tim@apexfiresys.com
  • NFPA14 Tunnel

    Good Afternoon,   According to the NFPA standard, it indicates in its NFP14 standard that for a horizontal standpipe the design flow of the fire network must be 750GPM (# Class 1), however in the hand...
    created by dbonilla
  • When Being a “Frequent Flyer” Isn’t a Good Thing: Reducing Falls Among Older Adults

    As approximately 95% of older adults live independently in their own homes, helping aging adults navigate daily activities such as cooking, bathing, and moving through their home without incident is essential to maint...
    last modified by avastis
  • NFPA’s new “Outdoor Heater Safety” fact sheet provides guidelines for safe use of portable outdoor heaters at restaurants, schools, offices and other spaces

    Many restaurants, schools, offices, and other businesses have been using outdoor spaces to run and stay open amidst the COVID-19 pandemic, with portable outdoor heaters increasingly being used to reduce the chill as t...
    last modified by susanmckelvey
  • NFPA, Research Foundation and NIOSH sign MOU related to PPE, firefighter equipment and standards development

    NFPA and the Fire Protection Research Foundation have signed an updated MOU to collaborate with the National Institute for Occupational Safety and Health (NIOSH) on activities related to emergency responder PPE, as we...
    last modified by cathylongley