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<br />I V. I'n~Juction (listimatcs ti'om C:rtcrPilhtr I-I:utdhook <br />\. Waste Rock Disposal Area <br />I. hough Grading <br />Equipment -Cat D I II L)orcr <br />Production - 700) d-''/hr, al 400 fL awl, push <br />Corrections -Operator Efficiency <br />Material <br />Grade <br />Adjusted Production :700 yd3/hr. (0.75)(0.80)(1.20) <br />"time: 431,000 yd3/500 yd3/hr. <br />2. Final Grading <br />Equipment -Cat IGG Grader <br />Production <br />Time: 25 acr.,/I acre/hour <br />3. "fopsoiling <br />Equipment: Cat 6578 Scrapers, DSL Dozers <br />Production: <br />'T'ime: 28,650 yd3/450 yd3\hr. <br />13. Portal and Adjacent Surface Disturbed Areas <br />L Rough Grading <br />Equipment - Cat D 10 Dozer <br />• Production - 500 yd3/hr. a[ 600 ft. avg. push <br />Corrections -Operator Efficiency <br />Material <br />Grade <br />Adjusted Production: 500 yd3/hr. (0.75)(0.80)(1.20) <br />Tinte: 418.000 yd'/360 yd3/hr. <br />2. Final Grading <br />Equipment -Cat 16G Grader <br />Production <br />Time: 93 acres/I acre/hour <br />3. Topsoiling (Total of Portal and Adjacent Surface) <br />Disturbed Areas is 150,150 yd3) <br />Equipment -Cat 657B Scrapers, DSL Dozers <br />Production <br />Time: 150,150 yd3/450 yd3/hr. <br />C. Materials Storage Area <br />I . Final Grading <br />Equipment - 16G Graders <br />Production <br />Time: I I acres/I acre/hour <br />2. Topsoiling <br />Equipment -Cat 657B Scrapers, D81_ Dozers <br />Production <br />= 0 7~ <br />_ (LS(I <br />= I?0 <br />= 5(l(1 yd3/hr. <br />= 862 hours <br />= I our/hour <br />= 25 hours <br />= 450 vd3/hr. <br />= 64 hrnu's <br />= 0.75 <br />= 0.80 <br />= 1.30 <br />= 360 yd3/hr. <br />= 1161 hours <br />= I acre/hour <br />= 931tours <br />= 450 yd3/hr. <br />= 334 hours <br />= I acre/hour <br />= I I hours <br />_- 450 yd=t/hour <br />M R 97- 154 1(a) 10/2/97 <br />