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C-7 <br /> The entirety of the material yield from the fines recovery pit excavation (estimated to comprise <br /> approximately 43,000 bank cubic yards) will be considered ROM feedstock for the processing plant. <br /> Approximately 20% of the volume will be stockpiled in the wet plant feed hopper area north of the main <br /> mine pit(ROM-1)such that it is proximal to the wet plant processing area;and the remaining approximately <br /> 80% of that volume will be stockpiled atop the central and eastern portions of the main mine pit footprint <br /> area(ROM-2). <br /> Prior to and/or concurrent with excavation of the fines recovery pit, all plant facilities will be moved in to <br /> the site,assembled,and commissioned. The full extent of plant facilities and appurtenant features is further <br /> described under"Process Plant",below. <br /> With the fines recovery pit fully excavated,processing will commence, and wet plant reject(fines)will be <br /> slurried to the fines recovery pit via pipeline. The ROM-1 stockpiled material will provide the initial <br /> feedstock material to the wet plant. Once the ROM-1 volume/tonnage is fully depleted, the ROM-2 <br /> stockpile will become the plant feedstock source. ROM-2 stockpile recovery will entail re-mining of the <br /> material,to be followed immediately thereafter by development(excavation of)the main pit feature. <br /> The life-of-mine projection, based on the anticipated recovery ratio, is that the 43,000 cubic yard capacity <br /> fines recovery pit will receive up to 38,000 cubic yards of fines slurry. The remaining(approximately 13% <br /> of the overall volume) capacity is reserved for operating freeboard and storm water retention. <br /> 3) Phase 3:Mine Pit Development: The main mine pit(at full development)is anticipated to be approximately <br /> 575 ft. long(west to east)by 235 ft. wide (south to north). Within the overall 575-ft. pit length,provision <br /> has been retained for a potential "west pit extension" (nominally 200 ft. by 200 ft.) to be established in a <br /> westerly direction from the west end of the primary pit configuration. However(as discussed above), the <br /> initial growth medium stockpile TS-lA will early-on occupy this potential 200-ft. x 200-ft. west pit <br /> extension surface area. Plan view and cross-sectional depictions of the main mine pit are shown on Figure <br /> C-2: Mine Development Phases. <br /> Keenesburg Project—Limited Impact 110 Application_May 24,2019 <br />