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• <br /> -7- <br /> Backfilling and Grading Costs <br /> No. 1 Mine <br /> D9 dozer: 435 hrs x $158.68/hr = $ 69,026.00 <br /> No. 2 Mine <br /> D9 dozer: 146 hrs x $158.68/hr = $ 23,167.00 <br /> No. 3 Mine <br /> D9 dozer: 3140 hrs x $158.68/hr = $498,255.00 <br /> No. 4 Mine <br /> D9 dozer: 1297 hrs x $158.68/hr = $205,808.00 <br /> No. 5 Mine <br /> D9 dozer: 420 hrs x $158.68/hr = $ 66,646.00 <br /> Rock Tunnel Portal <br /> D9 dozer: 390 hrs x $158.68/hr = $ 61 ,885.00 <br /> Haul Roads <br /> 245 backhoe: 7375 hrs x $178.24/hr = $1 ,314,520.00 <br /> D9 dozer: 260 hrs x $158.68/hr = $ 41 ,257.00 <br /> Additional Mine Roads <br /> increased rental rate @ 1 .075 percent <br /> of original cost, based on increased <br /> rental rate only. $ 105,791 .00 <br /> Sediment Ponds <br /> D9 dozer: 38 hrs x $158.68/hr = $ 6,030.00 <br /> Wash Plant Area <br /> 988 B loader: 200 hrs x $107. 96/hr = $ 21 ,592.00 <br /> (3) 773 B trucks: Geo hrs x $115.81 /hr = $ 69,486.00 <br /> D9 dozer: 600 hrs x $158.68/hr = $ 31 ,736.00 <br /> III. Revegetation <br /> The per acre costs for revegetation presented in Chapter V, P. 17 of the <br /> permit application appear to be quite low. The combined cost of broadcast <br /> seeding, raking, and hydromulching could easily approach $2,000/acre. The <br /> cost of planting bare root seedlings would be from .40 - 1 .00/seedling. THese <br /> costs are based on MLRD experience, and can be verified using several <br /> references including "Means". <br />