excavator truck digging with back hoe on construction site

Buried facilities

Use these clearance guidelines when working around buried facilities. Keep in mind: Existing grades can change, and the current depth of an electric or natural gas line may be different than when originally installed.

Minnesota digging clearance requirements

Unexposed facilities

Hand digging must be performed when working within 24 inches from each side of facility markings.
hand dig area within 24 inches from each side of buried unexposed facility

Trenchless technology (boring, directional drilling)

Always expose facilities to verify their depth and location when using trenchless technology.