In order to address an ongoing goal of the City Council, Harbor Commission and the community, the City is working with the Corps of Engineers to take the necessary steps in planning for a Lower Bay dredging project. Before materials may be dredged, there needs to be a disposal solution for contaminated sediments. Preliminary estimates indicate approximately one million cubic meters of material from the federal area of responsibility requires dredging. However, a significant portion of that material is contaminated and not suitable for ocean disposal. In addition, there is some material around certain docks and slips that cannot be removed due to contamination. The City would like to find a solution that also accommodates the needs of the many tenants of the harbor. To that effect, the City has completed a study to evaluate the possible alternatives for contaminated sediment disposal, including: