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JD -7 Mine - Drainage Design Plan v <br />Figure 47. Downstream Hydrograph for the Planned Open Pit Diversion Structure East Segment 1 <br />(PitDivE_P) .................................................................................................. ............................... 81 <br />Figure 48. Downstream Hydrograph for the Planned Open Pit Diversion Structure East Segment 2 <br />(PitDivE —P2) ................................................................................................ ............................... 82 <br />Figure 49. Hydrographs for Planned SCN Pond ........................................................... ............................... 89 <br />LIST OF PLATES <br />Plate 1. JD -7 Mine Major Drainage Basins, Lease Boundary, and Mine Facilities <br />Plate 2. Engineering Drawing for the Expanded Pit Pool Retention Pond <br />Plate 3. Engineering Drawing for the Improved Conveyance Structures Pit Diversion East (PDEC), Pit <br />Diversion West (PDWC), and Open Pit Waste Rock Diversion (OPWRD) <br />Plate 4. Engineering Drawing for the Expanded Catchments OO1B -A North and OO113-A South <br />Plate 5. Engineering Drawing for the Planned Stormwater Conveyance Structures Pit Diversion East <br />(PDEP) and Pit Diversion West (PDWP) <br />Plate 6. Engineering Drawing for the Planned Stormwater Conveyance Structures Open Pit Waste Rock <br />Diversion (OPWRP) and North Diversion West (NDP) <br />Plate 7. Engineering Drawing for the Planned Stormwater Catchment Northwest (SCN) <br />LIST OF ATTACHMENTS <br />Attachment 1. Time of Concentration Calculations for Modeled Sub - Basins <br />Attachment 2. Areas and Composite Curve Numbers for Modeled Sub - Basins <br />Attachment 3. Rip Rap Granular Bedding Specifications (from UDFCD 2008) <br />Attachment 4. Culvert Hydraulic Profiles <br />Attachment 5. WinTR -55 and HydroCAD Output Files for Current Condition <br />Attachment 6. Channel Stability Analysis — WinXSPro Output Files for Current Condition <br />Attachment 7. WinTR -55 and HydroCAD Output Files for Planned Condition <br />Attachment 8. Channel Stability Analysis — WinXSPro Output Files for Planned Condition <br />4149A.140207 Whetstone Associates <br />