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<br />March 2000 <br />13- <br />993-2099.150 <br />- Textured LLDPE Geomembrane /Soil Liner 18 degrees and no <br />Interface (Phase III) cohesion <br />- Textured LLDPE Geomembrane/Soil Liner <br />Interface (Phase IV) <br />- Foundation Material (except in area of the <br />former Carlton Mill) <br />- Foundation Material (in area of the former <br />Carlton Mill and Saddle Berms) <br />18 degrees and no <br />cohesion <br />40 degrees and <br />no cohesion <br />26 degrees and <br />no cohesion <br />- Operational Design Earthquake Peak Ground 0.14g <br />Acceleration (design acceleration) <br />- Closure Design Earthquake Peak Ground 0.088 <br />Acceleration (design acceleration) <br />- Minimum Acceptable Operational Static 1.3 <br />Factor of Safety (FOS) <br /> <br />- Minimum Acceptable Operational <br />Pseudo-static FOS <br />- Minimum Reclaimed Static FOS <br />- Minimum Reclaimed Pseudo-static FOS <br />Solution Piping (see Section 4.9) <br />- Maximum Hydraulic Head on Liner <br />(Ore Storage Area) <br />- Primary solution collection pipe <br />- Secondary solution collection pipes <br />1.0 <br />1.5 <br />1.1 <br />2 feet <br />26" DR 11 perforated <br />HDPE. Mannings "n" <br />of 0.015 <br />PCPE ADS N-12 or <br />equivalent <br />- Tertiary solution collection pipes 4" PCPE Highway <br />• grade. Mannings "n" of <br />0.015. <br />L\99\309Y~FINAL REPOR'IVW9MAIN3.000 Golder Associates <br />