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~~. .~ <br />SMITH WILLIAMS CONSULTANTS, INC. <br />• <br />Table of Contents (Continued) <br /> 3.2 Site Geotechnical Conditions ...................................................................................... 17 <br /> 3.2.1 VLF Foundation ........................................................................................... 17 <br /> 3.2.2 Clay Borrow Investigation ........................................................................... 18 <br /> 4.0 Valley Leach Facility (VLF) Design ...................................................................................... 20 <br /> 4.1 General ........................................................................................................................ 20 <br /> 4.2 Site Layout .................................................................................................................. 21 <br /> 4.3 Staged Construction .................................................................................................... 21 <br /> 4.4 Valley Leach Facility (VLF) Foundation ................................................................... 21 <br /> 4.5 Underdrains ................................................................................................................. 23 <br /> 4.6 Liner System ............................................................................................................... 23 <br /> 4.6.1 Ore Storage Area .......................................................................................... 23 <br /> 4.6.2 Phase 5 VLF PSSA .................................................................................:.... 25 <br /> 4.7 Leak Detection System ............................................................................................... 25 <br />. 4.8 Low Volume Solution Collection System (LVSCS) .................................................. 25 <br /> 4.9 High Volume Solution Collection System (HVSCS) ................................................. 26 <br /> - 4.10 Appurtenant Structures ................:............................................................................ 27 <br /> 4.11 Reclamation/Closure:........: .................................:...........:...........:............:.....:.......... 27 <br /> 4:12 Technical Specifications ........................................................................................... 28 <br /> 5.0 Geotechnical Analysis ............................................................................................................ 29 <br /> 5.1 VLF Stability Analysis ...................:.....:.....................................................:............... 29 - <br /> - 5.1.1 Methodology ...............................................:.....................:.....:.................... 29 <br /> 5.1.2 Input Parameters .....................:.....................................................:.............. 30 <br /> 5.1.2.1 Conceptual Model.: .....................................................................,. 30 - <br /> 5.1.2.2 Geotechnical Material Design Parameters .................................... 30 <br /> <br />............................................................... <br />5:1.3 Stability Results ........:.....:...........:. <br />34 <br /> 5.2 Settlement ............:.............................................................. ............................ 35 <br /> 5.2.1 PSSA Foundation ......................................................................................... 35 <br /> 5.2.2 VLF Foundation ........................................................................................... 36 <br /> 5.3 Site Surface Hydrology ............................................................................................... 37 <br />.\ <br />5.4 Runoff Curve Numbers ............................................................................................... <br />38 <br />S:\PROJECTS\t 125 CCBV PHASE 5 VLF\H2 - DESIGNWREQUA VLFIVLF PHASE 5 FINAL REPORT V2.DOC 11 <br />