• Questions concerning the judgment method and the safety action criteria for gas leakage from the LNG storage tank

    Title : Questions concerning the judgment method and the safety action criteria for gas leakage from the LNG storage tank   In order to complete the safety management standards of LNG storage facilities in K...
    dkbaek
    created by dkbaek
  • ESD and Hazardous waste storage

    We have some 55 gal drums of flammable waste on site.  We keep them grounded with clamps to prevent static discharge.  Should we connect them through a resistor to slow the discharge and prevent sparking whe...
    stephen.mcdonald
    created by stephen.mcdonald
  • NFPA terms (division/Zone)

    Hi,  In the NFPA 497 we speak about "division" and "zone". But, the area around figures still the same even if we speak about zones or divisions. Someone can tell what is the differences between this two terms ...
    ddufour
    last modified by ddufour
  • Parking Smoke system

    For parking smoke system, what is the max. number of smoke zone that can be connected to one smoke fan?
    amr.elkranfely
    last modified by amr.elkranfely
  • Hazardous Waster Storage

    Is there a space or building size requirement for hazardous waste that is stored onsite?  If so, where can I find more information on this topic?
    jwaite
    last modified by jwaite
  • Is it safe to make wet blasting on the top of crude oil floating roof tank

    if its not safe where i can find this issue from NFPA
    mohammedelassall
    created by mohammedelassall
  • shell to shell spacing

    there is a methanol storage facilities; 4 double roof tank will be constructed in common dike area with clock wise arrangement  and diameter of   each tank is supposed to be 55 meters. based on Nfp...
    b.jabarzade
    created by b.jabarzade
  • Does anyone have information or a form for conducting a root cause analysis for fires you can share?

    There is a lot of RCA information available, but I have not found anything that is specifically designed for fires.
    willistowerswatson
    last modified by willistowerswatson
  • Question regarding high voltage power lines

    Hi, I am looking for any guidance on separation distances between hazardous chemicals (both compressed gases and liquid oxidizers) and high voltage power lines. I have searched through the NFPA codes with little succe...
    tzeweiu
    last modified by tzeweiu
  • Fuel Dispensers

    Does anyone have a list or know of an agency that would have list of fuel dispenser manufactures and models that meet  the NFPA30A code?
    edcollupy
    last modified by edcollupy
  • Is the fire class in NFPA 400 ( I - V) the same as Fire Hazard ( 1 - 5) on the MSDS?

    is the fire class in NFPA 400 ( I - V) the same as Fire Hazard ( 1 - 5) on the MSDS?
  • Repair Garages

    I am wondering about the applicability of NFPA 30A. Is the standard intended to apply only to automotive repair facilities (e.g., dealerships, lube shop/Firestone, etc.)  or does it include heavy machinery (e.g.,...
    jeff.churchill
    last modified by jeff.churchill
  • NFPA 85 : #PURGE CREDIT FOR COMBUSTION TURBINE & HRSG  

    NFPA 85 : #PURGE CREDIT FOR COMBUSTION TURBINE & HRSG      We have SGT 700 gas turbine followed by HRSG. HRSG is capable to run 100% firing mode also.   As per customer requirement while...
    ratnadeep.sinha
    created by ratnadeep.sinha
  • Standard specifying the maximum pressure within a valve train

    Good evening, I wanted to know if someone can support me because a client was installed a 60,000,000 BTU / hr burner. with a valve train that comes from Europe and has a filter but it does not have a solids trap or re...
    agsear
    created by agsear
  • Direct burial of liquid-tight flexible metal conduit.

    Does liquid-tight flexible metal conduit that is rated for direct burial fall under column 3 of Table 300.5?  This is in reference to minimum coverage of direct burial raceways.
    gilbert
    created by gilbert
  • in wood dust collection can we use spiral pipe?

    We are being told that they cannot be used due to static build up  We are also being told they are fine if bonded? Multiple grounds per length of pipe. Who is right?  We are running and okay in one of our...
    mwmcinnes
    last modified by mwmcinnes
  • GFCI and Water Heater

    Are GFCI receptacles required within a certain distance of water heaters in a commercial building mechanical room?   Thanks in advance for any guidance.
    shanna.gonzales
    last modified by shanna.gonzales
  • How many feet does an enclosed and latching lab oven need to be from a flammable storage cabinet in a laboratory space?

    How many feet does an enclosed and latching lab oven need to be from a flammable storage cabinet in a laboratory space? NFPA 45? 
    acanestri
    created by acanestri
  • NFPA 45 – Compressed Gases and Cryogenic liquids in the lab. 

    5.4.1 – (5) A compressed gas cylinder larger than lecture bottle size is located so that it could prevent safe egress in the event of accidental release of cylinder contents. 5.4.1 – (6) A cryogenic contai...
    tant.jennifer
    last modified by tant.jennifer
  • Can a flammable storage cabinet be stored within the 35' radius of a designated hot-work area?

    NFPA51b requires combustible materials be at least 35' away from a Hot Work area, including a "Designated" Hot Work area. NFPA51b and NFPA30 don't specifically cover whether you can store a flammable chemical storage ...
    chet.hand
    last modified by chet.hand