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nathan.fraley
What are the frequencies of testing deluge systems for transformers?   Mainly the full trip test?  If you can produce a chart just for deluge systems that would be great!   Thanks
in Industrial Hazards
imensassitra
Click to view contentHi all! Can anyone tell me how to determine the maximum fire water flow required for the protection of an air separation unit? Thank you in advance.
in Industrial Hazards
peter@dwan.ca
The SFPE Handbook and various vendors advise that subsurface injection of foam is not recommended for internal, floating roof tanks.  Are there any studies or incidents that support this position? Thanks
in Industrial Hazards
sramanathan
Hello!   In NFPA 59A is there a 50 ft distance requirement from sloped LNG trenches (underneath LNG piping) to closest source of ignition such as generators, Electrical MCC equipment or Thermal oxidizers? Could not find any direct interpretation for this but I was told that that might be an interpretation that some had.   Are paths of travel for… (Show more)
in Industrial Hazards
tgrubb
I have a straight forward flare burning methane with a NG pilot line.  Where does 497 direct me for the classification of the equipment on this line? I am new to this and would appreciate the help. TG
in Industrial Hazards
curtlcorum
Cubic Foot Rule Good morning, NFPA 654 2020, N 9.3.13.1.1.1 notes, where an explosion hazard exists, AMSs with a dirty side volume of 8 cubic feet or greater shall be located outside of buildings or adhere to N 9.7.1. We provide AMS with centrifugal separation, cartridge filters, and 4 hp blower. Under our horizontal centrifugal separator, the… (Show more)
in Industrial Hazards
cowprophet
I cannot find information on the presentation of plans [drawings]  for the AHJ. Thank you for your help. Mario Berrios
in Industrial Hazards
rmiller@hamstraac.com
  I work for an HVAC service and installation company providing service on residential, light commercial and industrial equipment. We have acknowledged that our current uniforms are lacking in the correct level of protection for the employees, polyester and polyester blends. This choice of uniforms was done to provide some relief from the extreme… (Show more)
in Industrial Hazards
bill.kapella@lmco.com
Is there a code reference that prevents the storage of cardboard, paper, etc. within flammable cabinets?   I can only find the code that prevents storage of incompatible materials. Is there something more appropriate?
in Industrial Hazards
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