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MMRR quarry DMG Adequacy Review Response Page 5 <br />3/15/2005 <br />Porous rock check dams constructed in "v' ditches on each side of Ure road to trap <br />sediment. The road will have a gravel surface and be crowned. The road will be paved <br />after completion of the Processing Area. <br />Processing Area and Haul Road (Exhibit C-2B) <br />5. Processing Area -Permanent <br />6. Waste Rock Diversion Ditch -Permanent <br />Divert undisturbed area runoff from Drainage Basin W around the ultimate waste rock <br />pile and into the main channel downstream of the Processing Area. <br />7. Waste Rock Footprim Clearing Phase I <br />8. Begin Waste Rock Hauling and Placement <br />9. Haul Road and Processing Area Sediment Pond - PCrmant'In') <br />10. Drainage Basin E Diversion Ditch -Temporary <br />11. Processing Area excavation <br />10.Year Ouarrv (Exhibit C-2Bl <br />12. 10-year quarry excavation <br />13. Backfill and vegetate benches -Permanent <br />Assuming "top down" mining, the benches on the final highwall of the 10-yeaz quarry <br />can be backfilled and vegetated after mining moves to the next bench. <br />14. Rock fill on overflow points <br />Reclamation (Exhibit Fl <br />15. Excavate meandering low flow channels in pit floor <br />16. Complete backfill and bench vegetation <br />17. Revegetate Waste Rock Pile <br />18. Reclaim haul road <br />Attachments <br />• Hydrology calculations <br />• Pit slopes report <br />• Diversion channels design <br />Road design parameters <br />