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JD-8 Mine—Drainage Design Plan ii <br /> • Table 13. Planned Dimensions for the Operational and Post-Mining Storm Water Retention Structure <br /> (Pond 3) 13 <br /> Table 14. Operational and Post-Mining Drainage—Peak Discharge(Qloo) for Pond 3 14 <br /> Table 15. Operational and Post-Mining Drainage Structure Parameters 15 <br /> LIST OF FIGURES <br /> Figure 1. Storm Water Sub-Basins at the JD-8 Mine 3 <br /> Figure 2. Upland Non-Contributing Sub-Basin Areas 4 <br /> Figure 3. Post-Mining Storm Water Routing Plan 12 <br /> LIST OF PHOTOS <br /> Photo 1. Photo of Berm and Cutoff Ditch on Access Road Southeast of JD-8 Mine Site Showing Water <br /> from Upland Areas Routed Toward a Natural Channel,Away from the Mine <br /> Photo 2. Eastern Portion of Waste Rock Pile Showing Constructed Catchment and Perimeter Berms for <br /> Drainage Control <br /> Photo 3. Western Portion of Waste Rock Pile Showing Former Rivulet and Small Gully that was Mitigated <br /> by Repairing the Crest Berm <br /> I. <br /> LIST OF ATTACHMENTS <br /> Attachment 1 Culvert Hydraulic Profiles <br /> Attachment 2 Rip Rap Granular Bedding Specifications (from UDFCD 2011) <br /> Attachment 3 Typical Emergency Spillway Design Schematic(from FWHA 2009) <br /> \• <br /> 4122A.120702 Whetstone Associates• <br />