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Colowyo PR3 Reclamation Cost Estimate <br />Task 444: Weed Control: Sagebrush Steppe 1161 acres. Assume weed control on 10% of the seeded <br />area, three times over the liability period. Based on the acreage, 116 acres (1161 X 0.10), 1 assumed <br />weed control would take 5 days each time (8 hrs. x 5 days x 3 times =120 hrs.). I used Telar and 2,4 -D <br />chemicals, and rates determined from referring to Chemical company website for Rangeland /Pasture. <br />Task 449: Weed Control: Grassland 290 acres. Assume weed control on 10% of the seeded area, three <br />times over the liability period. Based on the acreage, 116 acres (1161 X 0.10), 1 assumed weed control <br />would take 2 days each time (8 hrs. x 2 days x 3 times =48 hrs.). I used Telar and 2,4 -D chemicals, and <br />rates determined from referring to Chemical company website for Rangeland /Pasture. <br />Task 451: Assume centroid to centroid Map 35B <br />The Division used a LeTourneau L2350 Loader paired with a Komatsu 830E (181 T bed) for <br />backfilling the Collom Lite pit with the temporary excess spoil pile. The Division concurred with <br />CCC's volumes in Table 1 and 4 of exhibit 13B. <br />The Division reviewed the Wyoming LEQ Guideline 12 regarding reclamation cost estimate using <br />a shovel. Based upon the CRGCE (Cost Reference Guide for Construction Equipment, 2012) the <br />Division considered the Wyoming unit costs for backfill utilizing an electric shovel to be <br />significantly less than similar costs found in the 2012 CRGCE. The Division programmed costs <br />associated with a Letourneau and Komatsu into the CIRCES database. <br />Task 448: Mobilization /demobilization <br />Observation at a nearby mine that uses LeTourneau L2350 Loaders for earth moving operations noted <br />that delivery of each LeTourneau L2350 took 11 -13 flatbed trucks: <br />4 flatbeds for the wheel housings (power drives) <br />2 flatbeds for hauling 4 tires <br />1 flatbed for bucket <br />1 flatbed for bucket arm <br />1 for engine and cab <br />For this estimate I used 9 flatbeds per LeTourneau Loader <br />Komatsu: <br />Assume 3 flatbed trailers to haul each Komatsu 830E. <br />1 for tires <br />1 for vehicle <br />1 for bed <br />Facilities removal: <br />