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• <br />• <br />TABLE 2 (Cony <br />ROCKCASTLE COAL COIPANY <br />GRASSY CREEK MINE: POND t AREA <br />COST DETAL <br />CONSTRUCT SURFACE WATER COLLECTION CHANNELS <br />EQUIPMENT REQUIRED: <br />-CATEF~IAR 166 MOTOR GRADER <br />TOTAL LINEAR FEET OF CHANNELS 2,000 LF <br />EOUIPMEPIT PRODUCTNRV <br />MOTOR GRADER <br />-LENGTH OF SECTION 300 FT <br />-GRADING SPEED 88 FPM <br />-BACK UP SPEED 776 FPM <br />-REPOSITION TIME 025 MMl <br />-NUMBER OF PASSES PER SECTION 1 <br />-CYCLE TIME PER SECTION 19.8 MIN <br />-PRODUCTNITY 911 LFMF <br />-EOUIPMENi UTILIZATION 0.83 <br />-MECHANICAL AVAILABILITY 0.85 <br />-ADJUSTED PRODUCTNITY 643 lf,'HF <br />REQUIRED EQUIPMENT OPERATING HOURS <br />-MOTOR GRADER 3 HR <br />EQUIPMENT UNR COST <br />-MOTOR GRADER 581.02 MR <br />TOTAL FUNCTION COST <br />-MOTOR GRADER 5252 <br />REVEGETATK)N <br />AREA TO REVEGETATE <br />UNR COST <br />TOTAL FUNCTION COST <br />5 AC <br />5370 !AC <br />51,852 <br />NOTES: <br />• Grader productivity a based on information praxMed in the Caterpflar Ferfomiarroe Handbook, EdiGOn 19. <br />~J <br />