How deep is the cement pier of the photovoltaic bracket buried
How deep is a drilled shaft pile for a solar array? Drilled shaft piles for solar array footings can vary anywhere from 6 to 24 inches in diameter and 5 to 30 feetdeep,depending on site conditions and other variables. The drilled shaft or borehole is filled with high-strength. . into the ground to support the solar array. Before installing the solar panels, thorough ground preparation is essent tion supports for ground mounted PV arrays. These requirements vary depending on the type of installation, such as. . ed solar panel system using engineering software. Pho ovoltaic commercial and residential applications. Cut-away shows poured cement under tube and Bigfoot. . [PDF Version]