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CM0001776 <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 />Ter mile 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 59,569 <br />Zone 1 - Inner Core 6,750 <br />Zone 2 - Outer Core 11,812 <br />Zone 3 - Rockfill 9,000 <br />Cutoff Wall 3,143 <br />Dam Face Riprap 8,958 <br />Dam Crest Surface 395 <br />Spillway Riprap 956 <br />Discharge Apron Riprap 35 <br />Total 100,618 <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.R.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.R.8.17. <br />5. Total does not include Mosquito Fault soils. Tenmile 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 />1?J <br />• <br />IVY! WHO Environmental <br />6104XTABLFA.XLS (I lads)