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olivier labreche
2013 Edition NFPA 80 Rolling Steel Fire Doors,   During a drop test on a Rolling fire door, do I have to remove the fusible link that retaining an handle break (the release devices) to drop the door, or activate the handle without removing the fusible link?   the Rolling fire door is a brand new REYNOR Lawrence Doors, model FGH Series,… (Show more)
in Industrial Hazards
Daniel York
15.4.2 The provisions of 15.4.1(1) through 15.4.1(4) shall be permitted to be waived, subject to the approval of the authority having jurisdiction, if the building in question is one story, is of fire resistive or noncombustible construction, and is devoted principally to the storage of liquids.    I have a one story concrete block building with… (Show more)
in Industrial Hazards
Mauricio Castellanos
NFPA 409.  We are building  a new hangar in the El Dorado Airport in Bogotá, Colombia. This new Hangar is Group III and has Type I (442) construction. Based on  Table 8.2.1 you need to have a minimum distance of 15 meters to other hangar and based on if each one has fire barrier walls with a minimum rating of at least two (2) hours no… (Show more)
in Industrial Hazards
William Lawson
Do the personnel grounding requirements apply in power ventilated paint booths that constantly monitor Lower Explosive Limits?
in Industrial Hazards
Gabriel Cabrera
NFPA Standard, 37 (Installation and Use of Stationary Combustion Engines and Gas Turbines). Section reads, “If an exterior door is provided, it shall be listed for fire exposures”. What does it mean to list a door for fire exposures?
in Industrial Hazards
Pratik Bandyopadhyay
We are designing an installation of outdoor Transformer yard having Power Transformer separated by Fire wall as per NFPA design.  To provide a clear passage during fire, there is a requirement of Fire Door in Fire wall (at one corner) between two (2) outdoor transformer  cells. Please inform incase of any specific code violation as there is no… (Show more)
in Industrial Hazards
Koji Noguchi
I’m writing to ask a favor of you.   We has been discussing with Shanghai port authority to provide Automated Storage and Retrieval System (ASRS)for finished cars. FYI, we are attaching photos of the ASRS. 30 ASRS for finished cars are operated in Japan. The finished cars in ASRS is deemed as parts of car and not deemed as hazardous material… (Show more)
in Industrial Hazards
Kyla Caponigro
I work at a chemical plant where flammable vapors are present. Static discharges are not our friend, so we bond everything to buillding steel. I've been asked to prove that our earth ground is viable. My problem is that the plant utilized  concrete encased rebar to establish the ground. Cables were attached using cadwelds and bolted to the… (Show more)
Kedwin Dominguez
Per the Safety Data Sheet, H2S is an extremely flammable gas.  Per NFPA, this would Class 1 Division 1 area around the source.  For rail car unloading, I'm curious if any sites are using a ground reel / ground detection before de-gassing.  De-gassing is done outside, so gas detection will not be required.   Any comments/insights are more than… (Show more)
in Industrial Hazards
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