Orestimba Creek Feasibility Study - Stanislaus County

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Economics Appendix – Draft Report - Orestimba Creek Feasibility Study, Stanislaus County, California – September 2012 List of Tables Table 2-1: Structural Inventory .................................................................................... 5 Table 2-2: Content Values (Non-residential).............................................................. 11 Table 2-3: Value of Damageable Property ................................................................. 12 Table 3-1: Depth Damage Curves for Residential (Structure and Content) ........... 14 Table 3-2: Depth Damage Curves for Non-Residential Structures .......................... 14 Table 3-3: Depth Damage Curves for Non-Residential Content 1-story ................. 15 Table 3-4: Depth Damage Curves for Non-Residential Content 2-story ................. 15 Table 4-1: Standard Deviations for Risk and Uncertainty in Structure & Content Value ......................................................................................................................... 17 Table 4-2: Standard Deviations for Depth-Damage Percentages - Residential ...... 17 Table 4-3: Non-Residential Content Depth-Damage Uncertainty ............................ 18 Table 4-4: Automobile Depth Damage Function ....................................................... 19 Table 4-5: Emergency Costs Depth-Damage Curves ................................................ 20 Table 4-6: Cleanup Cost Depth-Damage Curve ........................................................ 20 Table 5-1: Without Project Probability-Stage-Damage Functions - Rural Impact Area .......................................................................................................................... 24 Table 5-2: Without Project Probability-Stage-Damage Functions - Urban Impact Area .......................................................................................................................... 24 Table 5-3: Without Project Probability-Stage-Damage Functions – TOTAL STUDY AREA ......................................................................................................... 25 Table 5-4: Number of structures flooded by event – Urban EIA only ...................... 26 Table 5-5: Expected Annual Damages - Without Project Conditions ..................... 26 Table 5-6: Index Point Sensitivity Runs...................................................................... 29 Table 5-7: Project Performance by EIA ..................................................................... 30 Table 6-1: Preliminary Screening Annual Benefits and Costs by Alternative ........ 33 Table 6-2: Optimization of the Chevron Levee height at Stuhr Rd and CCID Canal Crossing ................................................................................................................... 36 Table 6-3: Incremental Benefits of Channel Modifications ....................................... 37 iv
Economics Appendix – Draft Report - Orestimba Creek Feasibility Study, Stanislaus County, California – September 2012 Table 6-4: Annual Benefits – The Final Array – Rural EIA .................................... 38 Table 6-5: Annual Benefits – The Final Array – Urban EIA ................................... 39 Table 6-6: Annual Benefits – The Final Array – TOTAL Study Area .................... 39 Table 6-7: Probability Distribution of Damages Reduced – Rural EIA .................. 40 Table 6-8: Probability Distribution of Damages Reduced – Urban EIA ................. 40 Table 6-9: Probability Distribution of Damages Reduced – TOTAL Study Area .. 40 Table 6-10: Project Performance – Rural EIA .......................................................... 42 Table 6-11: Project Performance – Urban EIA ......................................................... 42 Table 7-1: Total Annual Benefits and Costs by Alternative ..................................... 46 Table 7-2: Net Benefits and Benefit-to-Cost Ratio Ranges – Final Array of Alternatives .............................................................................................................. 48 v
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Orestimba Creek Feasibility Study - Stanislaus County

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