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~t 1 of 4 <br />lorado Division of Minerals and Geology <br />RECLAMATION COST SUMMARY FORM <br />_____________________________ <br />_____________________________ <br />PERMIT NUMBER M-77-129 PREP. BY: SSS FILENAME: M129-0 <br />DATE 28-Sep-99 OPERATION: Nhitewa ter Pit 500 <br />PERMIT ACTION ; Amendment No. 2 <br /> GRAND TOTAL BOND AMWNT 5169,477 <br />I. DIRECT COSTS = ___________ <br />_____ <br />A. ________________________________________________________ <br />EARTHNORK - BACKFILLING 8 RWGH GRADING ___________ <br />Task <br />___. No.~ Task Description ~ <br />.___I__________________________________________________ <br />_ Cos[ (E) <br />-________ <br />,. <br />01 I <br />~ Dewater lake to allow for highwall reduction. ~ _ <br />530,627 <br /> Assume water depth of 22.5 feet, 52.64 acres of <br /> full depth, 3.69 acres over 3:1 slopes, 2.81 <br /> acres over 2:1 slopes, and .81 acres over .5:1 <br /> slopes. Volume = 409,909,774 gal. a 350,OOO9ph = <br /> 48.8 days + inflow of 117,OOOgpd during sloping <br /> and dewatering = 49.5 days a E618.72/day. <br />01a ~ Cut and fill reduction of 30'H x 1100'L pit ~ E2, 100 <br /> highwall working face to combined 2:1!3:1 slope. <br />016 ~ Cut and fill reduction of 20'H x 1700'L cash ~ 51,461 <br /> plant settling pond vertical slopes to 3:1 slope. <br />02a ~ Full backfill of 2 - 30'H x 750'L highwall ~ 527,937 <br /> trailing slopes to combined 2:1/3:1 grade. <br />03a ~ Lut and fill reduction of 20'H x 2025'L terrace ~ E7, 741 <br /> highwall to 3:1 slope. <br /> Subtotal (A ): 563,866 <br />B. EARTHNORK - HI GNNALL REDUGT ION <br />Task No.~ Task Description <br />See above <br />L. EARTHUORK - VASTE PILE COVER PLACEMENT <br />Task No.~ Task Description <br />Cost (E) <br />1__.._________ <br />Subtotal (B): <br />Cost (E) <br />Subtotal (C): <br />