San Leandro Marina Alts Study_Final

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SECTION 1 Introduction 1.1 Purpose of the Study The City of San Leandro is considering redevelopment options for the San Leandro Marina Harbor and Shoreline Recreation Area, which are generally located on the east shore of the San Francisco Bay between the City of Oakland to the north and the City of Hayward to the south. The redevelopment would include the Harbor Basin (which would be undertaken by the City) as well as the surrounding shoreline areas (which would be undertaken by a private developer, possibly Cal -Coast Development, LLC, whose preliminary plan is discussed in Section 4 of this report). The intent of this report is to assist the City of San Leandro in determining what types of uses would be appropriate for the Marina Harbor Basin, should the City permanently discontinue dredging its Marina basin and federally -authorized entrance Channel, reconfigure the harbor to be able to serve smaller vessels (such as kayaks, for instance), and redevelop its Marina and surrounding areas to serve the City's residents, given that the continued operations of a 465 -berth boat harbor is not financially feasible. Although historically the federal Channel was dredged approximately every four to five years and the Marina berthing areas every seven to eight years, a full dredge has not occurred since 1997 due to lack of funding, specifically federal assistance, which the City has historically received from the U.S. Army Corps of Engineers (the federal Channel received a partial dredge, 5 feet plus 1 foot, in the fall of 2009). This Alternatives Study sets out to identify a range of practicable options (Section 2, Alternatives Considered) and describes them independently. Before contrasting them with each other, Section 3 Dredged Materials Disposal Concept offers an approach that could serve to postpone a final disposition of the Harbor Basin. Finally, the alternatives are compared in a systematic way across different evaluation categories for the City's decision-making process (Section 4, Alternatives Compared). Although the City ultimately seeks to redevelop a much larger area, the primary study area being considered in this report is the San Leandro Harbor Basin. In addition, this study considers the Dredged Materials Management Site (DMMS) and the South Basin as auxiliary components of future development options (Section 5, Alternatives for Future Use of the DMI1,S). All of the sub -areas are described in more detail below and are illustrated in Figure 1-1 on the following page. 1.2 Sub -Area Descriptions The various sub -areas analyzed throughout this study are described below. San Leandro Marina Harbor Basin ESA / 210461 Alternatives Study March 2011