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2016 Reclamation Cost Estimate Update — Climax Mine <br />proposed borrow areas and the reclamation sites. Second, the Caterpillar Handbook, in this case Edition <br />45 dated January 2015, should be consulted to determine actual production factors for each fleet of <br />equipment generated, including estimates for material swell factors, altitude deration factors (critical at the <br />Climax Mine), average dozer pushes, time trial study methods, equipment operator efficiency ratings, <br />blade correction factors, to name but a few. The green -shaded cells generally require research using the <br />Caterpillar Handbook and sound engineering judgment for reclamation construction projects. Most <br />unshaded cells are either calculated automatically or have been provided with direct input by the user in <br />the Equipment List tab. Finally, the Production Table will indicate an appropriate number of haul units <br />(articulated haul trucks) to be balanced against one loading unit (default for the Climax Mine model is a <br />wheeler loader). This number of haul units should be considered carefully based on reclamation project <br />experience and common sense given the haul distance, road configuration, mine elevation, seasonal <br />impacts, and reasonableness given other site-specific constraints. This haul unit "gut check" should then <br />be modified in the Calculations Table accordingly. <br />10 November 2016 (revised August 2018) <br />