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CM0001789 <br />• <br />• <br />TABLE 4 <br />SOIL QUANTITIES ESTIMATES <br />NO.1 DAM IMPOUNDMENT DESIGN <br />CLIMAX MOLYBDENUM CORPORATION <br />CLIMAX MINE, COLORADO <br />Summary of Borrow Area Quantity Calculations <br />AREA QUANTITY <br /> (Bank CY) <br />Tenmile Tunnel Portal (1) 41,546 <br />West Island (2) 9,168 <br />East Island (3) 23,729 <br />Foundation Excavation (4) 29,785 <br />Total (5) 104,228 <br />Summary of Construct ion Soil Quantities (6) <br />ZONE/AREA QUANTITY <br /> (In-place CY) <br />Foundation Backfill 47,299 <br />Zone 1 - Inner Core 9,040 <br />Zone 2 - Outer Core 15,582 <br />Zone 3 - Rockfill 15,210 <br />Cutoff Wall 2,809 <br />Dam Face Riprap 9,801 <br />Dam Crest Surface 345 <br />Spillway Riprap 367 <br />Discharge Apron Riprap 35 <br />Total 100,488 <br />Notes: <br />1. Tenmile Tunnel Portal quantity less Post Lens as described in "Borrow Soil Quantity' calculation brief, <br />file number 6104.R.8.13. <br />2. West Island quantity less previous excavation as described in 'Borrow Soil Quantity' calculation brief, <br />file number 6104.R.8.13. <br />3. East island quantity as described in'Borrow Soil Quantity calculation brief, file number 6104.8.8.13. <br />4. Useable foundation soil assumed to be 50 percent of foundation excavation quantity described in <br />'Foundation Excavation Quantity calculation brief, file number 6104.8.8.17. <br />5. Total does not include Mosquito Fault soils. Ternmile Tunnel Portal Borrow can be expanded to produce <br />more soil if required. <br />6. Quantities from'Summary of Construction Materials Quantity' calculation brief, file number 6104.R.8.3. <br />is <br />????? <br />O T _ ?-? Environmental <br />6104%TABLE4.= [1126196] - Revised In.21%