A standard write-up for a locating activity typically includes several critical components: 1. Pre-Excavation Steps
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. locating
: You must contact your local 811 center (the "call before you dig" service). In many states, locators are required to arrive on-site within 48 hours of the request. 2. The Locating Process Locators use specialized equipment to find buried lines: A standard write-up for a locating activity typically
: 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. In many states, locators are required to arrive
: If EM is ineffective (e.g., for non-conductive plastic pipes), locators may use Ground Penetrating Radar (GPR) or Acoustic Locating .