Log in to follow, share, and participate in this community. 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 ... For parking smoke system, what is the max. number of smoke zone that can be connected to one smoke fan? 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? if its not safe where i can find this issue from NFPA Hi everyone, I'm wolontary firefigter from Croatia, and was wandering can industrial building with two flors and conveneance openings betwean them be as one compartment , and with conveneance storage of 1500m2, can al... 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... There is a lot of RCA information available, but I have not found anything that is specifically designed for fires. 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... is a discharge test requested for the fm200 and inert gas system? 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? is the fire class in NFPA 400 ( I - V) the same as Fire Hazard ( 1 - 5) on the MSDS? Dear nfpa staff i have big storage tank with fixed roof for edible vegetable cooking oil , above ground tanks.20 numbers with the same diked area. as the oil is defined a liquid class 3B. does require a fire fight... 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.,... NFPA 496 Question Using a purged enclosure with general purpose equipment in a CL1 Div 2 area . If the equipment brings a combustible liquid into the purged enclosure can you use air for the purge? Would an inert p... 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... 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... We test products so sometimes we have a number of flammable aerosols. How many can be stored on the lab bench ? 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. 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... Are GFCI receptacles required within a certain distance of water heaters in a commercial building mechanical room? Thanks in advance for any guidance.