Texas Specifications & Guidelines

618.2 Conduit, Materials

"Use red 3-in. 4-mil polyethylene underground warning tape that continuously states 'Caution Buried Electrical Line Below.'"

> Open Specification Document

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618.3 Conduit, Construction

"... Place warning tape approximately 10 in. above trenched conduit. Where existing surfacing is removed for placing conduit, repair by backfilling with material equal in composition and density to the surrounding areas and by replacing any removed surfacing, such as asphalt pavement or concrete riprap, with like material to equivalent condition. Mark conduit locations as directed."

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619.3(2)(4) Marking Tape

"Place a 4-in. wide detectable underground marking Mylar conduit marking tape over the ITS conduit at a minimum depth of 1 ft. below grade when no other electrical marking tape is required, or 8 in. below electrical marking tape when provisioned under Item 618.

Imprint the marking tape 'TxDOT Conduit and Fiber Optic Cable System - Call TxDOT Before Proceeding' every 18 in."

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Signaltape® Underground Warning Tape listed on APL

> Open Texas DOT APL