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Kenneth Salsman, P.E., M.ASCE


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RE: Vertical separation distance between gas line and potable water main

Posted By Kenneth Salsman 12-28-2019 03:27 PM
Found In Egroup: Environment, Coasts, Oceans, & Infrastructure \ view thread
Be careful of cathodic protection interference between the two pipelines. I am aware of a case where, in a hill location, a gas street main crossed under a water street main within four to six inches. The water main may not have been under cathodic protection. The gas main probably was under cathodic ...