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To insure that the planning studies addressed all potential problems, the Corps maintained continuous coordination with local sponsors, agencies affected by the project, and agencies directly involved in project studies. Formal coordination included presentations at meetings of the Executive Committee. The most extensive coordination, however, was accomplished through the Study Management Team meetings. The Corps initiated these meetings in February 1988 to discuss study results by the various agencies involved. The meetings encouraged the interchange of ideas and discussion of problems, and provided an opportunity for participation in project planning by the City and County of Sacramento and agencies not otherwise directly involved in the studies.
This appendix presents the real estate requirements for the selected plan to provide critically needed flood protection for urban areas along and adjacent to the lower American River in the vicinity of Sacramento, California. The Corps' authorization for its one-year reconnaissance study was included in the 1987 Appropriations Act. Authorization for additional study was included in committee language accompanying the Fiscal Year 1988 Continuing Appropriations Act (Public Law 100- 202, dated December 22, 1987).
This appendix has categorized comments by subject (a listing of the subjects can be found in the Table of Contents). Some comments did not fit neatly into one specific subject category, especially if the comment addressed several issues. In those cases, comments were generally categorized under what was considered the major point of the comment. Regardless of how they were categorized, each comment was given equal attention in generating a response. Not all comments warranted an individual response; therefore, your comment may be grouped with others of a similar nature addressed by one response.
The following chapters present the designs and cost estimates used for the American River Watershed Investigation feasibility report. Because the components of the proposed alternatives and the final selected plan are very different, this appendix is divided into chapters which address the different components. Chapter 1 presents the analysis used for the levee components, Chapter 2 presents the design for a pump station on the Natomas East Main Drainage Canal (done by A/E contract), Chapter 3 presents the analysis for the dam portion, and Chapter 4 is the cost estimate for the final selected plan. Each chapter first describes the alternatives used in determining the National Economic Development (NED) plan. Costs developed for these alternatives are presented in the individual chapters. These initial alternative designs and costs are not M-CACES level designs or costs. They are designs and costs adequate to give enough information to be used for identification of the NED plan. After the NED plan was identified, this information along with other information was used to determine the selected plan. The selected plan was then analyzed using an M-CACES approach. This involved additional detailed design and a more thorough approach to the cost estimate using an M-CACES analysis. This additional analysis for the selected plan along with guidance from the Feasibility Resolution Conference, the Technical Resolution Conference, and the Project Guidance Memorandum resulted in design differences between the alternatives analyzed and the selected plan. The selected plan is described at the end of each chapter. Differences between the alternatives analyzed and the selected plan are described there. Chapter 4 gives the M-CACES cost estimate for the selected plan.