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_ fintc: 12.600 vd3/a50 vd''/hr. _ 'S h~nin <br />` t <br />~ I ~. :~cccss, <br />l lauln~ad <br /> I. Final Grading <br /> Equipmen[ -Cat I6G Graders <br /> Production = I acic/hour <br /> Time: 3 acres/I acre/hour = ;hours <br /> ?. Topsoiling <br /> Equipment -Cat 657B Scraper. DBL. Dozer <br /> Production = a~0 ~~d3/hour <br /> Time: 7250 yd3/a50 yd3/hour = 16 hours <br /> L Fish Creek Borehole Area <br /> I. Rough Grading <br /> Equipment - Ca[ DI O Dozer <br /> Production - 1900 yd3/hr. (0.75)(0.80) <br /> Corrections - Operaror Efficiency = 0.7~ <br /> Material = 0.80 <br /> Grade = 1.20 <br /> Adjusted Production: 1900 yd3/hr. (0.70(0.80)(1.20) = 1140 yd3/hr <br /> Time: 3,165 yd3,'( 140 yd 3/hr. = 28 hours = 3.0 hours <br /> 3. Final Grading <br />• Equipment -Cat 16G Grader <br />Production - <br />I acre/hour <br /> Time: 4.6 acres/I acre/hour = 4.6 hours = 5.0 hours <br /> 3. Topsoiling <br /> Equipment -Cat 657B Scrapers, USL Dozer <br /> Production = 450 vd3/hr. <br /> Time: 7,400 yd3/450 yd3/hour = 16.4 hours = 16 hours <br /> P. Total Times <br /> I . Rough Grading <br /> A. Waste Rock Disposal Area = 862 hours <br /> B. Portal and Adjacent Surface Disturbed Areas = I,I61 hours <br /> C. Fish Creek Borehole Area = 3 hours <br /> Total = 2,026 hours <br /> 2. Final Grading <br /> A. Waste Rock Disposal Area = 25 hrn,rs <br /> B. Portal and Adjacent Surface Disturbed Areas = 93 Hours <br /> C. Materials Storage Area = I I (tours <br />• <br /> D. Access/Haulroad = 3 hours <br />M R 97- 154 I (b) 10/2/97 <br />