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ICtiC:U'4: tiliAh'I' - PIWI)R RI?VISION 95-127 <br />• A t lmcrctc Pad Rcnmval <br />Ian I'ad - 16~ .\ I6 = 356 li'- <br />tihall Liner Arcs - 3.14 s (3.752) = 33.75 <br />Removal Costs - $3.61/112 x 232 ft2 = $ 83R.00 <br />A-I Cunerete Hoist Suouort Block Removal <br /> Rluck I : 7' ~ 7" ~ S' = 350 ft3 <br /> 131uck 2: 7' ~ 7 ~ 2" = 10(1 (13 <br /> Block ±: 7' ~ ij x 2' = RII ft3 <br /> Iihtck a: 7' .. a.s x z = 6> ft3 <br /> fowl =approximately 20 yd3 @ $5.06/CY on-site disposal = $ 100.00 <br />L3. Pence Renu,val <br /> 9S(lfl. (rr! $1.23/ft = $ 1,196.0(1 <br />C. (;radio, S RIPPIn', <br /> Drill Pad - 200' ~ 200' x 1.95 = 2,888 CY <br /> Use a D9N <br /> ,lvera~,e Push Distance = 100', I S% grade <br /> I'ruduction = 61 ~ CY/hr. <br /> 3,888 CY/561 = 5.2 hr. x $145/hr = $ 754.00 <br /> Ru:ui L'xtensiun Ripping <br /> Use DI O dozer w/single shank <br />• <br />Produchon - <br />615 CY/hr. <br /> Operator = (1.75 <br /> (;rode = 4 <br /> .lob Efficiency = 0.68 <br /> Adjusted Production = 561 CY/hr. <br /> Rip 0.75 acres to a depth of 2' = 2,400 CY <br /> "total Time - 2,400 CY/561 CY/hr. = 4.3 hrs. x $14S/hr. _ $ 623.00 <br /> I:eapply Topsoil <br /> Drill Pad - 200' x 200' x I.5' = 2,222 CY <br /> Use a D9N <br /> Average Push Distance =ISO', - 12% grade <br /> Production = 615 CY/hr. <br /> Adjusted Production = 561 CY <br /> 322 CY/561 CY/Itr. = 4 hrs. x $100/Itr. _ $ 400.00 <br /> Road Extension <br /> 25' x 1,300' x I.S' = 1,805 CY <br /> 1,805 CY/561 CY/hr. = 3.2 hrs. x $100/hr = $ 320.00 <br />D. Reveeehttion -Road, Pad, and Topsoil <br /> 1.9 acres @ $219/acre = $ 415.00 <br />E. Escaue Shaft Reclamation <br /> Assumptions <br />• The 48" borehole will be grouted to within 3' of the final regraded surface <br /> The casing will be cut off 3' below the final regraded surface <br /> Drill rig can place SU yds. groud8 hr. shift <br />MR 97-154 60 10/2/97 <br />