Hi everyone, I am working on the design of a train fueling facility. I have 4 x (4-6") diesel fuel lines that have to cross a concrete encased electrical ductbank (underground). The Client does not want to relocate this ductbank.. The diesel fuel lines are FRP cladded double walled carbon steel pipes. I am wondering if there is any regulation or Code that states a minimum clearance to the electrical duct bank? I know NFPA 30 and other provide a minimum burial depth for fuel lines and separation between the fuel lines but nothing related to electrical.
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