Hazardous Location?

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thomas.a.boardman

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I have a simple question but yet it is one I am have trouble finding the answer to. So here it is: Is a municipal sewage lift station a hazardous location? I am in search of the answer because I have worked on several stations that run the floats right up into the cabinet, but the other day I was working on one that had a intrinsically safe isolation barrier for a float that had failed closed which was running the station dry because it happened to be the high level float. I guess from what I have found so far is if it was a hazardous location it would fall under the class 1 area but I want to see it in black and white, can anyone help?
 
You have my interest. I have done many and used nothing more than duct seal in the enclosure. All past inspection, and to the best of my knowledge, none have blown up.
 
That is all I have ever done and up until a few weeks ago all I have ever seen done. I am trying to find out if it is code to use these barriers or if and an Engineering firm is selling a bill of materials that really in a sense is over engineered.
 
thomas.a.boardman said:
I have a simple question but yet it is one I am have trouble finding the answer to. So here it is: Is a municipal sewage lift station a hazardous location? I am in search of the answer because I have worked on several stations that run the floats right up into the cabinet, but the other day I was working on one that had a intrinsically safe isolation barrier for a float that had failed closed which was running the station dry because it happened to be the high level float. I guess from what I have found so far is if it was a hazardous location it would fall under the class 1 area but I want to see it in black and white, can anyone help?
Click to expand...

You will find it in
NFPA 820
Standard for
Fire Protection in
Wastewater Treatment and
Collection Facilities​
 
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