“All buried cable shall be marked with 6-inchwide yellow plastic marking tape as specified in Subsection 781.03(j)(31). The tape shall be placed in the backfill 12 inches below finished grade."
“The Contractor shall install polyethylene cable marking tape at a depth of approximately 12 inches below final grade while backfilling each cable trench. This tape shall be as specified in Subsection 664.06(b)(5).”
Call: 811 (Local) or 888-344-7233
Click: https://www.digsafe.com/