Texas Specifications & Guidelines

Texas Department of Transportation

TxDOT Standard Specifications for Construction and Maintenance of Highways, Streets, and Bridges 2024

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

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."

> Open Specification Document

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."

> Open Specification Document

Approved Product List

Signaltape® Underground Warning Tape listed on APL

> Open Texas DOT APL

Call Before You Dig

Texas 811

Call: 811 (Local) or 800-344-8377

Click: https://www.texas811.org/

Product Approvals

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