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We are researching technical guidance and best practice on the flammable liquid storage requirements in underground hydroelectric generating plants. In typical buildings, storage of flammable liquid is not permitted in basement.  Does this requirement apply for underground generating plants or is there any exception or specific aspect for this… (Show more)
in Industrial Hazards
A.3.4.2 : Some fire extinguishers that are physically rechargeable are marked “Nonrechargeable” and are therefore considered by this standard to be Nonrechargeable (nonrefillable) fire extinguishers. ? Does this mean that  the end user can physically mark the extinguisher to avoid the 6 year service requirement for stored pressure dry chemical… (Show more)
in Industrial Hazards
Hi Everyone,   Just wanna know if the 2112:2012 edition is still valid now that the 2018 edition has been published.   Thanks in advance!
in Industrial Hazards
Dear Sirs.- I would like your opinions about Fire and Gas Systems and Safety Instrumented Systems
in Industrial Hazards
Hi  Good Morning,   I have a question regarding LPG pump room. Does the LPG Pump room require any shed or a building to install or they can be installed in an open atmosphere?     Please support your answer with some reference to NFPA code or even any other related to LPG.     Thank you!
in Industrial Hazards
A hydrogen gas transmission pipeline (~300 psi) will be constructed just outside my factory fenceline in China, along the plant entrance road .  Is it safer for this line to be installed underground or above ground, considering risk of corrosion vs risk of impact by vehicles?  (would have appropriate protections in either case)  If above ground,… (Show more)
in Industrial Hazards
How is it possible to install a membrane roof system that requires an open torch for the intallation process and be compliant with NFPA 51B "Hot work shall not be attempted on a partition, wall, ceiling, or roof that has a combustilbe covering or insulation, or on walls or partitions of combustible sandwich-type panel construction"?
in Industrial Hazards
Greetings,   In our facility, there is loading/unloading rack where thousands of trucks are coming per day to fill hydrocarbon product to their tanker. the rack has canopy with thickness is greater than 4.8mm (3/16 in). on top of the rack, there is a vent system to release pressurized vapor inside of the truck tanker before they fill the… (Show more)
in Industrial Hazards
Good Morning All,   I have a questions regarding NFPA 51B, does welder during the welding work can be also Fire Watch in accordance with NFPA 51B?? If there are two persons, that is obvious, but in case of one person doing the job, how this should be solved.   If not, I would be very grateful for the information, in which point NFPA 51B forbid… (Show more)
in Industrial Hazards
NFPA 86 Standard for Ovens and Furnaces states the following: Use of aluminum or lead components, including solders that contain lead, or other incompatible materials in tanks, piping, valves, fittings, filters, strainers, or controls that might have contact with methanol liquid or vapor shall not be permitted.   Does anyone know if… (Show more)
in Industrial Hazards
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