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Cripple Creek & Victor Gold Mining Company Squaw Gulch Valley Leach Facility Design <br />A270 Underground Working Remediation Typical Details <br />A300 PSSA Layout <br />A310 PSSA Sections and Details Sheet 1 of 2 <br />A320 PSSA Sections and Details Sheet 2 of 2 <br />A330 PSSA Riser Sections and Details Sheet 1 of 3 <br />A340 PSSA Riser Sections and Details Sheet 2 of 3 <br />A350 PSSA Riser Sections and Details Sheet 3 of 3 <br />A360 Closure Drain and LVSC General Plan <br />A400 High Volume Solution Collection Piping Layout <br />A410 High Volume Solution Collection System Details <br />A420 Low Volume Solution Collection System Details Sheet 1 of 2 <br />A430 Low Volume Solution Collection System Details Sheet 2 of 2 <br />A500 Surface Water Diversion and Sediment Control Plan — Phase 1 <br />A505 Phase 1 Surface Water Diversion Plan and Profile Sheet 1 of 3 <br />A506 Phase 1 Surface Water Diversion Plan and Profile Sheet 2 of 3 <br />A507 Phase 1 Surface Water Diversion Plan and Profile Sheet 3 of 3 <br />A510 Surface Water Diversion and Sediment Control Plan — Phase 2 <br />A520 Surface Water Diversion Channel Plan and Profile Sheet 1 of 2 <br />A530 Surface Water Diversion Channel Plan and Profile Sheet 2 of 2 <br />A550 Surface Water Diversion Sections and Details <br />A600 Ore Reclamation Grading Plan <br />A610 Post Closure Watershed Subbasin Delineation Map <br />A700 Critical Stability Plan and Cross Sections Sheet 1 of 2 <br />A710 Critical Stability Plan and Cross Sections Sheet 2 of 2 <br />A800 Valley Leach Facility Timber Wall Sections and Details <br />A900 Temporary Haul Road Crossing at State Highway 67 Sheet 1 of 3 <br />A910 Temporary Haul Road Crossing at State Highway 67 Sheet 2 of 3 <br />A920 Temporary Haul Road Crossing at State Highway 67 Sheet 3 of 3 <br />APPENDICES <br />A Field Investigation <br />A.1 SWC Squaw Gulch VLF Geotechnical Logs <br />A.2 AMEC Squaw Gulch VLF Geotechnical Logs <br />B Laboratory Testing <br />B.1 Squaw Gulch VLF Material Property Testing <br />B.1.1 SWC Squaw Gulch VLF Material Property Testing <br />B.1.2 AMEC Squaw Gulch VLF Material Property Testing <br />B.2 Golder 2005 Liner Load Testing For TR 45 <br />B.3 Drain Cover Fill Permeability Testing <br />B.4 Cresson Ore Percolation and Consolidation Tests <br />B.5 Ore Shear Strength Test Data <br />B.6 Cresson VLF Interface Shear Strength Testing <br />B.7 Cresson Ore Data <br />B.7.1 Cresson Ore Draindown Data <br />B.7.2 Cresson Ore Moisture Data <br />C Design Calculations <br />C.1 Geogrid Calculations <br />C.2 Geomembrane Calculations <br />C.3 Primary Solution Collection Pipe Sizing Calculations <br />C.4 Primary Solution Collection Pipe Perforation Design <br />C.5 PSSA Riser Pipe Calculations <br />C.6 SGOSA Settlement Calculations <br />Project No.: 7420112500 <br />1 September 2011 <br />amec° <br />