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List of Tables <br />Table 1 Mine-Related Earthquakes from NEIC Catalog .............................................................. 15 <br />Table 2 Calculated Accelerations for Selected Mine-Related Earthquakes .................................. 17 <br />Table 3 Summary of Permeability Values Used in Dam Seepage Analysis ................................. 20 <br />Table 4 Transient Boundary Conditions for Upstream Face of Dam ........................................... 22 <br />Table 5 Summary of Seepage Analysis under Existing Conditions at Dam (Before Dam <br /> Modifications) ............................................................................................................... 23 <br />Table 6 Summary of Strength Parameters for Dam Stability Modeling ....................................... 25 <br />Table 7 Summary of Unit Weights for Dam Stability Modeling .................................................. 26 <br />Table 8 Summary of Factors of Safety for Stability of Dam, Static ............................................. 31 <br />Table 9 Summary of Factors of Safety for Stability of Dam, Seismic ......................................... 32 <br />Table 10 Summary of Factors of Safety for Stability of Dam, Rapid Drawdown ........................... 32 <br />Table 11 Acceptable Filter Material Gradation ............................................................................. 36 <br />Table 12 Threshold Water Levels (after Norfleet, 1999) ............................................................... 40 <br />Table 13 Summary of Strength Parameters for Landslide Stability Modeling ............................... 40 <br />Table 14 Summary of Unit Weights for Landslide Stability Modeling .......................................... 41 <br />Table 15 Summary of Factors of Safety for Landslide Stability, Existing ..................................... 44 <br />Table 16 Summary of Factors of Safety for Landslide Stability, Proposed .................................... 44 <br />List of Figures <br />Figure 1 Colorado Earthquakes and Seismotectonic Provinces <br />Figure 2 Site Plan View, Existing <br />Figure 3 Existing Model Geometry at Cross-Section B <br />Figure 4 Existing Model Geometry at Cross-Section C <br />Figure 5 Proposed Model Geometry at Cross-Section B <br />Figure 6 Proposed Model Geometry at Cross-Section C <br />Figure 7 Embanlanent Material: Undrained Shear Strength <br />Figure 8 Embankment Material: Drained Shear Strength <br />Figure 9 Soft Sediment: Drained Shear Strength <br />Figure 10 Colluvium: Drained Shear Strength <br />Figure 11 Failure Surface Material: Residual Drained Shear Strength <br />Figure 12 Existing Model Geometry at Cross-Section A <br />Figure 13 Proposed Model Geometry at Cross-Section A <br />P:\Mpls\06 CO\26\0626067\WorkFiles\DesignReport\FINAL\DesignReportFINAL.doc 111 <br />