AWPA Uniform Color Code for Marking Underground Facilities
Underground facilities shall be marked in accordance with the following designated color code:
color codes
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North Carolina 811 - ALL RIGHTS RESERVED 2018
2300 W. Meadowview Road, Suite 227, Greensboro, NC 27407
Main Office Number: 336-855-5760, For Locate Requests Dial 811 or 1-800-632-4949
THE 811 LOGO IS A REGISTERED TRADEMARK OF COMMON GROUND ALLIANCE, USED WITH PERMISSION