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TABLE OF CONTENTS <br />I. INTRODUCTION 1.1 <br />1.1 Background 1.1 <br />1.2 Purpose of Study 1.1 <br />1.3 Previous Studies 1.4 <br />1.4 Data Collection and Mapping 1.5 <br />II. HYDROLOGY 2.1 <br />2.1 Flood Hydrology 2.1 <br />2.2 Daily Average Discharge Analysis 2.2 <br />2.3 Discharge Hydrographs 2.4 <br />III. EXISTING CONDITION HYDRAULIC ANALYSES 3.1 <br />3.1 Effective and Duplicate Effective Condition Floodplain Analysis 3.1 <br />3.2 Corrected Effective Floodplain Analysis 3.3 <br />3.3 Existing Condition Floodplain Analysis 3.3 <br />3.4 Results and Conclusions 3.3 <br />IV. PROPOSED IMPROVEMENTS 4.1 <br />4.1 Design Criteria 4.1 <br />4.2 Grading Plan 4.1 <br />4.3 Erosion Protection 4.2 <br />4.3.1 Turf Reinforced Mat 4.2 <br />4.3.2 Riprap 4.4 <br />4.4 Outlet Pipe Design 4.4 <br />V. PROPOSED CONDITION HYDRAULIC ANALYSIS 5.1 <br />5.1 Proposed Condition Floodplain Analysis 5.1 <br />5.2 Berm 'A' Spillway Hydraulic Analysis 5.1 <br />5.2.1 Annual Flow Duration Analysis 5.1 <br />5.2.2 Instantaneous Hydrograph Analysis 5.5 <br />5.3 Operation of Ponds for River Flow Conditions 5.10 <br />5.3.1 River Levels Below Berm A Inlet 5.10 <br />5.3.2 River Levels Near and Above Berm A Inlet 5.10 <br />COVALC001_Phase 11 Report_082211.docx i ANdERSON CONSU[TING ENGINEERS, INC. <br />