: If EM is ineffective (e.g., for non-conductive plastic pipes), locators may use Ground Penetrating Radar (GPR) or Acoustic Locating .
A standard write-up for a locating activity typically includes several critical components: 1. Pre-Excavation Steps locating
: Before the locator arrives, the excavator should "white line" or pre-mark the planned work area with white paint or flags. This helps locators focus on the exact site, speeding up the process. : If EM is ineffective (e
A formal locate report or write-up should document the findings with: Utility Locating- The 70% Rule : If EM is ineffective (e.g.
In the context of construction and excavation, a is the process of identifying and marking the positions of underground utility lines—such as gas, electric, water, and telecommunications—to prevent damage during digging.