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~ STATE OF COLORADO <br />DIVISION OFMlNERAlS AND GEOLOGY <br />DepamneM of Natural Resources <br />1 <br />3 Shemwn SL, Room 275 <br />3 <br />1 (r ~ L O RA D O <br />I <br />, <br />~ <br />~ <br />,/C, IYg, CAIOrdAO 80203 DIVISION O F <br />Phone: (303) 866.3567 MINERAL S <br />PAx: (303} 832.8106 G Ii O L O G Y <br /> fEC LANATION•NINIMf <br />fAifTY•fGRNCE <br />8~(1 <br />Seneca Coal Company ~»nf <br />Seneca II-W Mine C-82-057 Rusdl Geage <br />Permit Renewal 04 ~°~J°"` °ine~° <br />IS August 2005 ~~ ors <br />.TRS Nalunl aaoum 7nuroE <br />Task 038 -Construct Final Drainaee Channels $354.137.26 <br />Tile following are the channels that will require geotextile (RS Means Section 02370 700 <br />0062) and riprap (RS Means Section 02370 450 0200). <br />Channel Fabric(SoYd) RiDrap(CuY, <br />• 006 6,667 1,667 <br />006-NE 1 1,333 333 <br />006-NE2 533 133 <br />006-E1 333 ~ 83 <br />006-E2 267 67 <br />PM-1 1,400 350 <br />PM-2 1,600 400 <br />PM-2A 1,467 367 <br />PM-3 1,600 400 <br />PM-4 1,267 317 <br />Total 16,467 Sq.Yd. 4,117 Cu.Yd. <br />Costs: <br />Geotextile: (16,467 Sq.Yd.) x ($7.08/Sq.Yd.) _ $116,586.36 <br />(16,467 Sq.Yd.) x (8hrs/515Sq.Yd) = 255.80 hrs <br />Riprap: (4,117 Cu.Yd.) x ($57.70/Cu.Yd.) _ $237,550.90 <br />(4,117 Cu.Yd.) x (8hrs/53Cu.Yd.) = 621.43 hrs <br />Totals: <br />Geotextile: $116,586.36 <br />Riprap: $237,550.90 <br />• <br />Total: $354,137.26 <br />Holes: 877.23 <br />