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Pipe installation involves excavating the ground to a depth of at least 30 in. to install a 10-in. diameter circular pipe, and using a trench box to support the pipe and provide a base for the pipe. Installation of the pipe usually requires backing fill. Pipe systems tend to be more permanent. The pipe is buried below the normal ground level. The system is then backfilled to the original level of the pipe. In some cases, the pipe is installed in a vertical tunnel, which is closed and covered by a roof or floor. In this case, a temporary system is installed to keep the area free of water until the roadway is completed.
Storm drainage is a system designed to move surface water to a storm drain and to intercept surface runoff. Storm sewers are used to transport storm water from a building or establishment to a storm sewer. Storm sewers are designed to handle the volume of storm water runoff. Storm sewers are usually perforated to allow aeration and to prevent clogging.
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