This new trusted reference has been completely updated to keep excavation contractors, operating engineers, and those learning the trade current with state-of-the-art equipment usage and the most efficient excavating and grading techniques.You'll learn how to read topo maps, set crows feet, install water drain and sewer pipes, lay or remove asphalt concrete, use a laser level, cut drainage channels, and use GPS and sonar for absolute precision.Includes a CD-ROM with an interactive study center to help anyone brush up their skills or study for the license exam. Filled with hundreds of tips, pictures, and diagrams and tables every excavation contractor can use. You will need a computer with a CD-ROM drive running Microsoft Windows.