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•t 1 of 4 <br />T6l orado Division of Minerals and Geology <br />RECLAMATION COST SUMMARY FORM , <br />_____________________________ <br />PERMIT NUMBER : M-79-002 PREP. BY: SSS FILENAME: M002-0 <br />DATE 04-Nov-98 OPERATION: North Delta Pit <br />PERMIT ACTION Routine Bond Recalculation <br />GRAND TOTAL BOND AMOUNT 529,026 <br />1. DIRECT COSTS =__-_______ <br />A. EARTHWORK - BACKFILLING 8 ROUGN GRADING <br />Task No.~ Task Description ( Cost (4) <br />1 ~ Cut and fill maximum 18'H x 2600'L highwall to a ~ 42,379 <br />slope grade of 3:1 to 10' below water level. <br />11,700 c.y. <br />2 ~ Pump 25 ac. lake down 10' to allow for regrading ~ 512,075 <br />of highwall portion to 10' below water level. <br />94,490,352 gal./350,OOOgph (pump rate) = 270 hrs.l <br />Inflow rate estimated at 8,333gph x 270 hrs. _ <br />2,249,910 gal.(350,OOOgph = 7.71 hrs- <br />Inflow during highwall reduction = 8,333gph x <br />8 hrs. (see task 1 time) _ .19 hrs. <br />Total 277.9 hrs. x 443.45/h r. (pump oper. cost) <br />= 512,074.75 <br />Subtotal (A ): 414,454 <br />B. EARTHWORK - HI GHWALL REDUCTION <br />Task No.~ Task Description ~ Cost (4) <br />_______..I_______________________________________.,__________I____________ <br />Included in other tasks. <br />Subtotal (B ): <br />C- EARTHWORK - WASTE PILE COVER PLACEMENT <br />Task No-~ Task Description ~ Cost (4) <br />________I__________________.._______________________________I____________ <br />N/A <br />Subtotal (C): <br />