Gas lines are typically metal or plastic. If plastic, they're very likely thick enough to withstand most hand digging with a shovel. Laws typically require hand digging within some distance (18" in my state) of a marked line.Jul 1, 2020
How deep should a natural gas line be buried?
How Deep Does A Gas Line Have To Be Buried? Generally the depth of your ditch should be 18 to 24 inches. The type of terrain will have something to do with the depth. Always check with your local building department for specific code regarding depth of your ditch in your area.
How deep are residential natural gas lines?
Main lines are usually found at least 24 inches deep, while service lines are usually 18 inches deep. The current depth of an electric or natural gas line can be different than when it was first installed.