Excavation is used for a variety of purposes, including construction, plumbing, surveying, and drainage. Excavating may be necessary to remove obstacles from a construction site or to prepare an area for grading or tilling. Excavation can also be used to create basements, foundations or tunnels for commercial or residential property. In addition, excavating can be used to drain water from an area or to install plumbing. Excavation is a complex process that requires knowledge and experience. As a result, it is important to hire a qualified excavator, like the ones at Black Diamond Foundation Recovery, to ensure that the job is done correctly.