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II. Equipment <br />A. 1 Caterpiller D10 dozer <br />B. 1 Caterpiller 16G grader <br />III. Production Calculations <br />A. Tipple and Access Road <br />1. Rough Grading (estimates from Caterpillar <br />performance handbook, Editing 13) <br />Production: Cat D10 dozer (U- blade) at <br />1,100 yd 3 /hr, for an average 250 ft. push. <br />Operator Availability = 75% <br />Materials Availability = 80% <br />Adjusted Production = 1,100 yd x 75% x 80% <br />= 660 yd /hr. <br />Operating Hours = 29,760 yd /660 yd /hr. = 45 hours <br />2. Final Grading <br />Production: Cat 16G grader at 1 acre /hour <br />Operating Hours = 15 ac x 1 ac /hr = <br />B. Haulroad <br />1. Rough Grading (estimates from Caterpillar <br />performance handbook, Editing 13) <br />Production: Cat D10 dozer (U- blade) at <br />2,400 yd /hr for an average 100 ft. push <br />Operator Availability = 75% <br />Materials Availability = 80% <br />Adjusted Production = 2,400 yd /hr x 75% <br />x 80% = 1,440 yd /hr <br />Operating Hours = 4,398 yd /1,440 <br />yd /hr = <br />2. Final Grading <br />Production: Cat 16G grader at 1 acre /hr. <br />Operator Hours = 6 acres x 1 ac /hr = <br />2.05 -30 <br />Revised April 5, 1985 <br />15 hrs. <br />3 hrs. <br />6 hours <br />