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ALBERT FREI AND SONS, ZNC, <br />WALSTRUM QUARRY - TOTAL DISTURBANCE 50.0 ACRES t <br />BOND COST ESTIMATE DATA <br />Data sheet <br />TOTAL DISTURBANCE ALLOWED - 50.00 ACRES t <br />FLOOR GRADING - 20 ACRES t <br />STAGE Y GRADING - 0.55 ACRES t <br />BOTTOM SLOPS SHAPING - 67,667 CY <br />MISC. <br />CONCRSTB PAD DEMO - 30 PADS ! 1'x 3'x 10' (270 aq-ft) <br />UNROADABSL SOUIPMENT AND SCRAP - 35 LOADS <br />AVERAGE SOIL HAUL DISTANCE 1,000 FEET <br />AVERAGE ROCK PUSH DISTANCH 50 FEET <br />EQUIPMENT NEEDED - USE AREA <br />D-8 DOZER - BENCH AREAS, TOE SLOPE SHAPING <br />988 LOADER - SOIL STORAGE AREA, TOE SLOPB REBOILING <br />6.5" TRACK DRILL - BENCH AREAS <br />140G MOTOR GRADER - FLOOR AREA SHAPING <br />REVEGETATION EQUIPMENT - BENCHES, SOIL STORAGE AREA, TOE SLOPE <br />IMPORTANT NOTES <br />MATERIAL REMOVED FROM BENCHES WOULD BE PUSHED OFF THS BENCHES AND SHAPED INTO A <br />3H TO 1V SLOPS AT THE BASE OF THE WALL. MATERIAL IS GENERALLY SELF SLOPING TO <br />1:1 SO ONLY SHAPING WILL BE NEEDED TO GREATS 3:1 SLOPE. SES FIGURE L-4 ON CROSS <br />SECTION PLAT. <br />TOE SLOPE WILL BE SOILED AND REVEGETATED SINCE IT IS PART OF THE WALL AREA AND <br />NOT TH8 FLOOR THAT IS COMMERCIAL AREA THAT NEEDS ONLY GRADING. <br />NORTH AND SOUTH WALLS WILL BS TEMPORALLY BENCHED AS THEY ARE MINED. LENGTH OF <br />EAST FACE WILL BE LESS THAN 1635 FEET AT THS TOME AND 1d50 ON THE BOTTOM NEEDING <br />NO MORT THAN 4 TOTAL WIDTH BENCHES THAT WOULD NE$D TO BS CREATED IF MINING ENDED <br />PREMATURELY. <br />