Specifications include, but are not limited to: The project has two parts. Part 1 - Planned Work. Includes the installation and rehabilitation of drainage and sewer infrastructure, including repairs of pipes, manholes, inlets, underdrains, pavement removal and replacement, ditch grading, backfilling, and other related work required to complete the project. Part 2 - Unplanned/Emergency Work: Includes installation, repair, and rehabilitation of various sewer and drainage infrastructure, including installation and repair of manholes and inlets, installation and repair of pipes, ditch grading, channel erosion repair, backfilling, removal and installation of pavement surfaces and other relateed work required to complete repairs. Unplanned/Emergency work will be utilized on an as needed basis when rehabilitation or repairs are required and may occur at anytime during the project time frame. Unplanned/Emergency repairs will be performed on a time and material basis.