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• Replace 10,756 c.y. topsoil (8 in. average) on 10 ac. <br />using 6370 scraper. Average one -way haul distance <br />of 350 ft.. From Cat. performance curves, approx. 375 <br />c.y./hr. production. Approx. 29 hrs. required at $180/ <br />hr. <br />• Seed bed preparation. Use 230 DBH 4WD farm tractor <br />with disc attachment , fertilizer bin attachment and one <br />operator. Approx. 3 ac./hr. discing rate. Total of approx. <br />4 hr. required at $85/hr. <br />- Seed 10 ac. Current price of seed mixture given in <br />Exhibit E is approx. $22/ac. (Sharp Bros. Seed Co.) <br />• Seeding of 10 ac. using 80 DBH 4WD farm tractor with <br />drill attachment. Approx. 4 ac./hr. drilling rate. Total of <br />approx. 2.5hr. (say 3 hr.) required at $70/hr. (includes <br />equipment and operator, etc.). <br />• Obtain two soils tests from Colo. State Univ. Approx. <br />cost of two tests including postage. <br />• Fertilizer for 10 ac. Assume that 87 lbs. /ac. 46-0 -0 (at <br />$0.19/ib.); 89 lbs. /ac. 0 -45 -0 (at $0.18Ab.); and 65 lbs. /ac <br />0 -0 -62 (at $0.16/lb.) required. Current price of fertilizer <br />mix is $42.95/ac. <br />• Mulch, mulching and crimping of 10 ac. Use 2 tons /ac. <br />hay. Total of 1,000 40-lb. bales required at $3/bale <br />($3,000). Use 230 DBH farm tractor with power mulcher <br />and two operators. Approx. 3 ac./hr. application rate. <br />Total of approx. 4 hr required at $95/hr. ($380). Crimp <br />mulch using same tractor with crimper and one operator. <br />Approx. 3 ac./hr. crimping rate. Total of approx. 4 hr. <br />required at $85/hr. ($340). <br />- Mobilize /demobilize equipment. <br />-25- <br />5,220 <br />340 <br />220 <br />210 <br />40 <br />430 <br />3,720 <br />1,200 <br />Total $48,880 <br />