After utilizing utility locators to determine a safe vacuum excavation site (see *Part 1 on Utility Locators), Author Carol Brzozowski explores the applications of air versus hydro excavation. Retaining and Reusing dry soil at the excavation site is one of air excavations applicable advantages; however, “messy issues” such as dust control and site-based situations that do not permit the reuse of soil may necessitate other solutions. As Brzozowski further explains in the following segment, “Hitting the Hidden Mark,” contractors might wish to consider air/water combo units in such cases.
