Locating Guide

A standard write-up for a locating activity typically includes several critical components: 1. Pre-Excavation Steps

: This is the most common method. It involves a transmitter that sends a frequency down a conductive line and a receiver that detects the signal above ground. locating

: 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

: Active locating uses a transmitter to follow a specific route, while passive locating detects existing fields from live power lines. 3. Documentation and Marking : If EM is ineffective (e

A formal locate report or write-up should document the findings with: Utility Locating- The 70% Rule

: 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.