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percent was also included in case any of the seeded areas required stand re- <br />treatment. <br />Fences and Signs. A cost estimate to remove fencing and mine signs is included. <br />The mine signs will be removed during Phase III bond release. HGTI anticipates <br />that most fencing will remain as permanent features to support the postmine land <br />use of livestock grazing and/or delineate property boundaries. One fence in <br />Section 14 on land owned by the State of Colorado, Board of Land Commissioners, <br />will be removed in conjunction with facilities/railroad demolition/disposal <br />unless the landowner requests it stay as a permanent feature. <br />Rill and Gully Repair. A cost to conduct the rill and gully repair (including <br />sediment ponds) has been included in this estimate. It has been assumed that <br />this task could be handled with a Cat D3C Dozer every two years and would <br />continue for the 10 year liability period. <br />Fleet Determination <br />Once the volumes for the various phases of reclamation were determined, the <br />number of shifts, hours per shift, equipment types, operator/operating <br />efficiencies, support equipment, and overall reclamation time span, all of which <br />ultimately affect mobilization and demobilization, had to be determined. The <br />following discussion provides the considerations utilized in determining the <br />equipment fleet needed. <br />Production Shifts. Keeping with current practice locally, one shift per day was <br />used for this estimate. Using one shift per day would allow for preventative <br />maintenance and minor equipment repair to occur on second shift, if needed. <br />Shifts were based on an eight-hour period per shift and a series of job <br />condition correction factors were built into the production estimate. <br /> Equipment T ypes. The types of equipment selected were based on similar type <br /> equipment p resently operating in or around Routt County. Whenever possible, <br /> Caterpillar equipment was used for reclamation due to widely published <br /> information regarding costs and performance. All equipment costs were taken <br /> from those provided by CDMG. Please see appropriate worksheets in Attachment <br /> 23-1 for a list of all co st factors. Equipment performance was based on <br /> Caterpillar Handbook No. 29, or otherwise as noted. <br /> MR-16 5 Revised 11/07 <br />