HiLevel (Electrical)
22 Aug 13 11:04
I posted this in the codes and standards forum and I'm "reposting" it here. I apologize if this is bad practice; however, it seemed that most discussions around natural gas are in this forum.
I have a gas rack located a distance away from an enclosed duct...
I posted this in the codes and standards forum and I'm "reposting" it here. I apologize if this is bad practice; however, it seemed that most discussions around electrical area classification are in this forum.
I have a gas rack located a distance away from an enclosed duct burner. It's a...
I have a gas rack located a distance away from an enclosed duct burner. It's a typical gas rack with <5 psig natural gas. The design engineer has classified the area around the gas rack as Class I Group D Division 2. And, the result is a big change order and delay from the gas rack manufacturer...
Ref: thread242-135230
I rountinely encounter the situation in chemical plants, where we are installing an instrument on a vessel that will contain a Class I Div.1 environment and the surrounding environment is Class I Div.2. The assumption is that the vessel contains the Div 1 environment...
I'm designing a barg loading facility where we will be refurbishing an old abandoned 180' petroleum storage tank and installing a 12" line to an off-shore barg loading berth. I'm evaluating the relative merits of using turbine meters or a tank gauging system for custody transfer of this ethanol...
