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We are designing a new fire rated pet door to be installed in an existing residential attached garage fire wall or door.   I would like to know what design requirements would be required to meet UL/NFPA for a Hold open, sliding, 20 minute fire rated assembly as is shown in the attached video.   I believe it does not have to have hose
I have installed SS pipes for my high pressure water mist system. I need to flush the entire line with air, to remove any dirt inside these pipes. Normally I flush the line with water before I place the water mist nozzles on the sockets - this results in cleaning the water mist pipe line of dirt, but in this project I cannot use water and I have
I am the Marine Maintenance Officer for Army Prepositioned Stock Set 4 (APS-4) Watercraft in Yokohama, Japan. We have 17 vessels in our inventory that are required to adhere to the NFPA 1851 standards concerning Care, Inspection, and Maintenance of Fire Fighting Ensembles. We are an organization of storage, tasked to maintain watercraft and its
    This is the first in a series of three videos featuring the personal stories of NFPA 3000 technical committee members.  Brian Murphy isn’t shy about telling his story. A retired law enforcement officer who now works for a bullet-proof vest manufacturer, Murphy even jokes about what happened to him six years ago. He says