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Preventing Excavation Damages
Options for Open Trench Installation
Options for Boring Installation
Tracer Wire Location
Radiofrequency (RF) Location
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TRACETAPE™ DETECTABLE TAPE
BORETRACE™ DETECTABLE TAPE
3M™ PathMarking Tapes
North Carolina SPECIFICATIONS & Guidelines
North Carolina Department of Transportation
NCDOT Standard Specifications for Roads and Structures, 2018
General Utility Requirements, Locating and Marking
“Tape a continuous locator wire along the top of all piping. Mechanically fasten locator wire to valve boxes, meter boxes, fire hydrants, manhole covers and other above grade appurtenances. Install marking tape 18 inches to 24 inches below finished grade above all pipelines.”
Water Lines, Materials
“Use #12 AWG solid-copper wire with blue insulation for the utility locator wires. Use 2 inch plastic marking tape colored blue with “Caution Water Line” or similar wording, permanently printed at 36 inch centers.”
Sanitary Sewer, Materials
"Use #12 AWG solid-copper wire with green insulation for the utility locator wires. Use 2 inch plastic marking tape colored green with “Caution Sewer Line,” or similar wording, permanently printed at 36 inch centers.”
Call Before You Dig
North Carolina 811, Inc.
811 or 800-632-4949
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