• nfpa 17 11.5.1

    Working on a  airplane deicing vehicle. Would this reference  give my nitrogen bottles a 12year hydro interval? They are Dot 3AA bottles, would this supersede the normal 5 or ten year Dot requirement? Vehicl...
    alan.mccaughrean
    created by alan.mccaughrean
  • Electric rooms (MDB, Transformers and generator) occupancy classification

    I'm working on a conference hall project, According to NFPA 101, what is the classification of these occupancies?. Also, what is the classification of the projector and sound room, is it ancillary to predominant...
    imostafamagdy
    last modified by imostafamagdy
  • Building and Life Safety: Requirements for Emergency Egress Drills

      It's back to school time. But, what back to school will look like in 2020 will be unlike anything in the past.  Currently, communities are facing unprecedented challenges from the COVID-19 pandemic causin...
    kristinbigda
    last modified by kristinbigda
  • Connecting with the Media about Home Fire Sprinklers

    As advocates and educators of home fire sprinklers, we continue to search for ways to help increase awareness about the importance and benefits of this life-saving technology. But as you likely know, getting positive ...
    lisamariesinatra
    last modified by lisamariesinatra
  • NFPA 72 Sec. 17.16.2.2.2 - 2019 Edition Pre-Action Monitoring

    Does section 17.6.2.2.2 of the NFPA 72 2019 edition apply to pre-action sprinkler systems?
    imran.malik
    last modified by imran.malik
  • 2011 NEC Question

    210.60 Guest Rooms, Guest Suites, Dormitories, and Similar Occupancies.   (A) General. Guest rooms or guest suites in hotels, motels, sleeping rooms in dormitories, and similar occupancies shall have receptac...
    chiefns830
    last modified by chiefns830
  • Townhouse fires alert families to plan and practice their escape

    Three townhouse fires in three municipalities in the Greater Toronto Area in 10 days is unusual.   Although there’s no pattern to the fires (and no fatalities or injuries), there are similarities – ...
    lking
    last modified by lking
  • What Lies Beneath the Water: Electric Shock Drowning Takes More Lives

    It is common knowledge that electric shock itself has the potential to cause death. When it comes to electric shock drowning (ESD), electrical shock in the way we might normally think of it, such as stopping your hear...
    channahs
    last modified by channahs
  • Exit Discharge Through Interior Building Areas

    7.7.2 Exit Discharge Through Interior Building Areas. I need assistance for understanding this part for applying it on my case, I work on an auditorium that has no direct exit discharge and all of it's exists compone...
    imostafamagdy
    last modified by imostafamagdy
  • Sulphur conveying system

    Hi I have been working in 1 project about conveying system for Sulphur in Sulphonation plant. I have been checking for some information about assessment due to combustible dust / flameable gas due to this work. I ...
    nfpaunilev
    last modified by nfpaunilev
  • Fire Sprinkler System at ICE CREAM Factory

    Hi, I have been working for design of fire sprinkler system for ICE cream factory. It consist of (1) Installation at packing hall where the temperature of packing hall is 15degC. (2) Installation at Cold Stora...
    nfpaunilev
    last modified by nfpaunilev
  • UL555 listed dampers - smoke migration around the outside of smoke, and/or fire rated dampers

    Compare two 1' x 1' fire dampers. One is German made: Category:Trox 90 minute fire damper 1' x 1' - Wikimedia Commons  and one is domestic: Category:UL555 qualified 3h smoke and fire damper - Wikimedia Commons...
    ahering
    last modified by ahering
  • Adding units to an Existing Apartment Building

    We have a project in the exploration phase that is asking if they can transform an unused third floor/attic space in an Existing Apartment Building without adding sprinklers. They will meet all the other requirements ...
    rfdacm02
    last modified by rfdacm02
  • extruded polystyrene board insulation

    Hi everyone,   Can anyone advice if we can use extruded polystyrene board insulation class E as per EN 13501-1 for exterior walls behind stone cladding, if not, what is the accepted classification and ...
    amir_aladdin
    last modified by amir_aladdin
  • Baltimore Explosion Kills Two, Injures Dozens and Highlights a Need for Fuel Gas Detection

      Yesterday morning, an explosion, most likely involving natural gas, ripped through three rowhouses in northwest Baltimore, leaving two dead and seven more transported to hospitals. The blast occurred on the 4-...
    aing
    created by aing
  • EPS load test.

    I have a question about running the monthly load test for an EPS. I work for a hospital and I am running the load tests for our 800 KW generators. According to the compliance guy, the load must be over 30% of the na...
    shagunaa
    last modified by shagunaa
  • Door and Frame Fire-Rated Labels

    If a door frame carries a 20-minute label, does the door itself have to match that, or can it exceed that?  In other words, if the frame has a 20-minute label, does the door have to also have a 20-minut...
    cpierce@sc-architects.com
    last modified by cpierce@sc-architects.com
  • Storage of LP cylinders with a facility

    I have an external gas line within a hospital facility and the service will be cut off to accommodate ongoing construction.  The gas line feeds a vital service within the hospital so I'm trying to devise a way to...
    christopher.ross-renwick
    last modified by christopher.ross-renwick
  • To calculate the storage tank volume ...

    Hello To calculate the storage tank volume , Should water for the number of active sprinklers be collected with water for active fireboxes?  for 5-storey apartment If yes :  According to which part of NFP...
    babak.ha1989
    last modified by babak.ha1989
  • More into Mobile Food Truck

    I want to know more about Mobile Food Truck. Any Help? Regards, Halmblog
    halmsampson
    last modified by halmsampson