Electrical · E-KWY26

Electrical and Telecommunications Trenching and Conduit Detail

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Electrical and telecommunications conduits are embedded in sand bedding material at the base of the trench, maintaining a minimum spacing of twelve inches and seven-and-a-half inches typically. A six-inch wide by fifteen-mil thick detectable plastic indicator tape, colored red for power and orange for communications, is installed above the conduits within the compacted backfill per NEC 300-50(d). The trench requires a minimum cover of twenty-four inches below finished grade. Concrete or paving matching existing conditions is provided along with the sub-base where conduits pass under existing walkways, pathways, parking areas, and driveways.

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