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Colorado Division of Reclamation, Mining and Safety Geology
<br />Reclamation Cost Estimate
<br />emit No. C-92-080 Prepared by: TK Date: 10/28/10
<br />no name: Carbon Junction Mine Permit or job action: Midterm Permit Review MTR-04
<br />TASK LIST (DIRECT COSTS)
<br />Liability
<br />Form Task Cost, remaining Remaining Remaining
<br />Task no. Task description Used Hours 100% after SL-03, hours cost
<br />North I
<br />001
<br />Bring down-cast spoil from slope: of N. Pit up to bench at N. Pit
<br />excavate
<br />19.78
<br />$3,068
<br />40%
<br />7.91
<br />$1,227
<br />002 Cut spoil at base of North Pit scarp, then push to pit dozer 64.19 $14,256 40% 25.68 $5,702
<br />003 Move boulders/cobbles on N.Pit bench to inside edge of bench dozer 26.00 $5,884 40% 10.40 $2,354
<br />004 Haul fill from PRSA to North Pit truck/loader 96.78 $47,492 40% 38.71 $18,997
<br />005 Regrade North Pit fill to final contour dozer 121.13 $27,413 40% 48.45 $10,965
<br />006 Haul&spread topsoil fill & growth medium f/ t.s. pile #2 to N. Pit scrape2 59.95 $39,537 40% 23.98 $15,815
<br />007 Final-grade topsoil on North Pit dozer 348.99 $78,981 40% 139.60 - $31,592
<br />008 Revegetate North Pit revege 16.70 $6,787 40% 6.68 $2,715
<br />009 Construct 3 ponds (sumps at base of N. Pit slope) TR-12 est. 18.00 $7,500 40% 7.20 $3,000
<br />010 Compact N. Pit fill (most fill is topsoil with some blasted rock) compact 31.06 $5,006 40% 12.42 $2,002
<br /> $235,924 321.03 $94,370
<br />North pit haul road topsoil stockpile #2 and permanently reclaimed spoil area (PRSA)
<br />012 Haul fill from PRSA to North Pit haul road trucklioader 11.08 $5,300 40% 4.43 $2,120
<br />013 Grade North Pit haulroad fill grader 6.71 $864 40% 2.68 $346
<br />014 Haul topsoil from topsxiil stockpile #2 to North Pit haul road scrape2 3.45 $2,279 40% 1.38 $912
<br />015 Regrade PRSA to final contour grader 3.27 $421 40% 1.31 $168
<br />016 Regrade topsoil stockpile #2 grader 1.95 $252 40% 0.78 $101
<br />017 Revegetate North Pit haul road, footprint of t.s. #2, PRSA revege 18.50 $7,519 40% 7.40 $3,008
<br /> $16,635 17.98 $6,654
<br />South pi t drill pad
<br />018 Regrade South Pit drill pad dozer 11.29 $2,556 40% 4.52 $1,022
<br />019 Haul topsoil from stockpile #2 to South Pit drill pad area scraper2 6.62 $4,368 40% 2.65 $1,747
<br />020 Finish-grade South pit drill pad grader 2.69 $145 40% 1.08 $58
<br />021 Revegetate 3.5-acre South Pit drill pad revege 7.00 $2,845 40% 2.80 $1,138
<br /> $9,914 11.04 $3,966
<br />Carbon Junction Canyon channel
<br />022 Regrade C.J. Cany. Channel f/ 1962' to 922' per TR-12 profile dozer 3.08 $696 40% 1.23 $278
<br />023a Excavate C.J. Canyon channel - hard digging excavate 28.65 $4,444 40% 11.46 $1,778
<br />023b Excavate C.J. Channel - easy digging excavate 28.59 $4,435 40% 11.44 $1,774
<br />024 Purchase filter rock and rock riprap for C.J. channel spreadsheet 24.00 $79,882 40% 9.60 $31,953
<br />025 Install filter and riprap in C.J. Canyon channel excavate 173.21 $26,866 40% 69.28 $10,746
<br />026 Purchase culvert for C.J. Canyon channel road crossing TR-12 est. 8.00 $9,903 40% 3.20 $3,961
<br />027 Install culvert where channel crosses road TR-12 est. 24.00 $7,000 40% 9.60 $2,800
<br />028 Surveying TR-12 est. 16.00 $4,500 40% 6.40 $1,800
<br /> $137,726 88.48 $55,090
<br />Sediment pond #2
<br />031a Haul topsoil for fill & reveg. f/ stockpile #7 to pond #2 truck/loader 17.25 $6,288 100% 17.25 $6,288
<br />031b Regrade pond #2 fill dozer 7.86 $1,779 100% 7.86 $1,779
<br />031c Install riprap in drainage channel at pond #2 truck/loader 0,17 $67 100% 0.17 $67
<br />031d Revegetate pond #2 revege 1.28 $520 100% 1.28 $520
<br /> $8,654 26.56 $8,654
<br />Sediment Pond #1
<br />037a Backfill pond #1 with topsoil f/ stockpile #8 scraper 31.51 $20,779 100% 31.51 $20,779
<br />037b Regrade pond #1 backfill dozer 35.63 $8,063 100% 35.63 $8,063
<br />037c Revegetate pond #1 ravage 5.80 $2,357 100% 5.80 $2,357
<br /> $31,199 72.94 $31,199
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