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Mine Area Yoest - Yedae Pit <br />Project eackfill Ooen Pit <br />Task Final Grade Pit 8 Sooil Areas <br />LORKSHEET N0. HA•B <br />PRODUCTIVIFY FOR DOZER USE - FINAL GRADING <br />Dozing Activity: Final grade the pit and spoil areas <br />Dozer Used: D-11N, U-blade <br />Description of Dozing: Final bl a~ie work <br />Votume: Assume 10X of the hours for each backfilling and grading dozer operation. <br />Productivity Calculations: <br />Doze highwell material into open pit - 85 hours <br />Doze adjacent spoil into pit - 16 hours <br />Grade the last 3 spoils into surrounding area - 14 hours <br />Total Hours: 115 hours <br />Cost Per Hour = 5198.94 <br />Total Cost = 115 hrs. x 5198.94 cost/hr = 522.878 <br />REFERENCES: <br />Norksheets NA-5 through NA-7 <br />• <br />25-3-8 Revised 05/23/95 <br />• <br />