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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
Kyla Caponigro
Shared by Kyla Caponigro Employee 1 day ago (Show more)
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Kyla Caponigro
Say I have a question for you guys. I am working with a brewery and one thing I was asked is what can I do to prevent getting shocked when I shop vac out the grain dispenser. This grain dispenser has a front cover that comes off so a person can clean out the dust. The person does not physically crawl into it they just vacuum it out from the… (Show more)
Ryan Ward
In NFPA 68 2013, section 6.6.2.4 discusses the requirements for a deflector plate for explosion vents.  Item number 5 states the plate is to "withstand the force exerted by the vented explosion, calculated as Pred times the deflector area".  Which Pred is this referring to?  Is this the Pred of the enclosure?
in Industrial Hazards
Dorothy Andres
What is the minimum volume for which a metal safety can containing Class I flamm liquid will need a bonding and grounding for safe dispensing? Thanks
in Industrial Hazards
Miroslav Gojic
Is there any NFPA standard in which is mentioned fire water pump redundancy?
in Industrial Hazards
Kedwin Dominguez
Design scenario: Conduit has to be installed from a pad mount transformer secondary to a electrical room (MCC).  In between has no traffic and is a industrial location.     ------------------------------------------- Applicable Code (NEC 2014) ------------------------------------------- According to 300.5  (C) Underground Cables and… (Show more)
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