Whether they’re replacing a sewer main or planting a tree, excavators rely on a code of marks and indicators to avoid underground lines, mains and other structures.

This poster from Envirosight provides a guide to the common symbols, abbreviations and colors used by operators to mark underground utilities. Hang yours in your truck as an easy reference when you’re called out to locate at a proposed dig site, or before beginning excavations.

Request your free Temporary Markings for Underground Utilities poster.

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