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?. Equipment Costs - C:u D7 with sink shank <br />a) Estimated use 3.4 hears <br />h) Hourh• rental 9;17240 <br />c) Operating Cost = $?3.71/hr <br />d) Total Rental and Operating Cost = $48750 <br />3. Manpower <br />a) Operatin~~ time = 2.4 hours <br />b) Hourly wage = 518.90 <br />c) Total Manpower Cost = $4550 <br />4. -total Ripping Cost = $133.00 <br />c. Pit Run Gravel Dispersal <br />I . Equipment Assumptions -Cat D7 with straight blade <br />a) Production = 600 yd3/hr <br />b) Operator ~ .75 <br />c) Material ~ .30 <br />d) Grade ~ I.00 <br />e) Job efficiency .~ .83 <br />f) Adjusted Production = 299 vd3/hr <br />g) Total Time for 300 yd3 pi[ run gravel = I hour <br />2. Equipment Costs - Ca[ D7 with straight blade <br />a) Estimated use I hour <br />• <br />b) Hourly rental $148.50 <br />c) Operating cost = $21.80/hr <br />d) Total Rental and Operatim~ Cost = $170.30 <br />3. Manpower <br />a) Operating time = I hour <br />b) Hourly wage = $ 18.90 <br />c) Total Manpower costs = $ 18.90 <br />4. Total Pit Run Gravel Dispersal Costs = $189.00 <br />d. Topsoiling <br />I . Equipment Assumptions -Cat D7 with straight blade <br />a) Production = 600 yd3/hr <br />b) Operator x .75 <br />c) Material x 1.20 <br />d) Grade a I.00 <br />e) Job efficiency x .83 <br />f) Adjusted Production = 488 yd3 = 4.5 hours <br />2. Equipment Costs -Cat D7 with straight blade <br />a) Estimated use = 4.5 hours <br />b) Hourly rental = $148.50 <br />. c) Operating cost $21.80/hr <br />d) Total Rental and Operating Cost $766.25 <br />MR 97-114 I(g) 10/2/97 <br />