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COLORADO <br /> a Division of Reclamation, <br /> Mining and Safety <br /> Department of Natural Resources <br /> Bonding inputs for SI-6. Based on Divisions May 19, 2022 Inspection. <br /> *Does not account for any unit cost or inflationary changes. <br /> Task Form Used Description <br /> 01a Demo Removal of structures <br /> Scale 501 x 8'W haul off site <br /> Scale house 101 x 10'W x 8'H pushed into existing pit <br /> 02a Dozer Main Pit: Grading of highwalls to 31-1: 1V based on no changes to main <br /> pit since 2019 =total of 17,511 CY <br /> Backfill 100LF @ 25'H,vert to 3H: 1V= 3,471 CY <br /> Cut/fill 50 LF @ 15'H,vert to 3H: 1V= 156 CY <br /> Backfill 400 LF @ 25'H,vert to 31-1: 1V= 13,884 CY <br /> 03a Dozer NW Pit: Grading remaining highwalls to 3H: 1V=total of 382 CY <br /> Cut/fill 50 FL @ 15'H, 11-1: 1V to 31-1: 1V= 104 CY <br /> Cut/fill 200LF @ 10'H,vert to 3H: 1V= 278 CY <br /> 03b Truck NE Pit: Transport backfill material <br /> 30-35'deep pit 0.49 ac= 2 3,13 5 CCY backfilled with basalt stockpiled <br /> on site. <br /> 04a Ripper Rip compacted areas approx. 15 ac of stockpiles remains <br /> 05a Dozer Apply 8"topsoil over remaining affected lands Total of 23.95 ac @ 8" <br /> = 25,760 CY <br /> Main pit area approx. 20 ac @ 8" = 21,511 <br /> NW Pit 9,000 sqft @ 8"= 215 CY <br /> NE Pit,Remaining NW Pit surrounding affected lands,regraded <br /> stockpile areas is — 3.75 ac @ 8" =4,033 CY <br /> 06a Reveg Reveg remaining affected lands approx. 24 ac w/ 60% failure <br /> 07a Mob Initial Mobilization <br /> 07b Mob Secondary Mobilization <br /> A Demo Remove remaining riser/pipeline of North Main Water Line <br /> op co <br /> mow, <br /> Physical: 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 �¢ <br /> Mailing: DRMS Room 215, 1001 E 62nd Ave, Denver, CO 80216 https://drms.co[orado.gov <br /> Jared S. Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director <br /> *1976* <br />