Pipeline markers you might see on roadways are traditionally yellow. Natural gas pipelines are generally located along roadways, private property and in corridors or rights-of-ways. Markers are placed at regular intervals, where needed, to indicate the presence of a pipeline. These yellow markers are visible where pipelines intersect streets, railroads, streams or rivers, and in heavily congested areas. Gas pipes in your home may be different colors depending on their make-up - copper or other tubing could be copper, black or grey. If you are trying to identify your in-house piping you need to contact a certified and licensed plumber or hvac technician. Feel free to contact us for additional information. 803-323-5304
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