"... Underground warning tape should be laid above all underground conduits, 12 inches below grade.
A copper wire (10 or 12-awg typ.) should be installed in one of the conduits between access points. This locate wire is to be electrically connected between conduit runs to allow for continuous locate signal transmission throughout the conduit network. ..."
Note: The ITS Design & Operations Guide is no longer in use and is currently being updated. Check current status here.
"Plastic service lines that are not encased shall either be installed with an electrically conductive wire having adequate corrosion resistant characteristics or protection or some other acceptable means of readily locating the buried service pipe from the ground surface shall be provided."
Call: 811 (Local) or 800-242-8511
