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• Soil Selva¢e end Slorel;e <br />The disturhsn« area from which soil was selvaged erd the wit stockpile silea es of D«ember 3l, 2000 ere shown on drawing 2W- <br />20042A.DWG. Stackpilea W end W were esublished durigg the 2000 field seewo. <br />The achal volume of soil selvaged end stockpiled from 1989 through December 31, 2000 wee detemlred by field survey of existing <br />soil storage stockpiles. The Srnece engineering staff completed the base erd existing elevations for each stockpile. The stockpile <br />volumes es of Daember 31, 2000 arc listed in Table 2000.1. As of D«ember 31, 2000, 69.7 acre-f«I Of soli WCrc 6lackpiled <br />slang the tie-across haul road and 631.8 acre-F«t of Boil were stockpiled in the mirtirtg erce. <br />Soil Bden« erd Replacement <br />The soil belerce is calculated for Sercca H-W Mine by comparing the disturbance ores that requires soil rcpln«ment ea o(De«mber <br />31, 2000 wish the soil reserve in stockpiles. The disturbance area for Sereca R-W Mine, Mown m drewigg 2W-2000-2A.DWG, <br />with exception to the tie-across heal coed, tooled 827.1 ecrea on Decambu 31, 2000. No wit wee salvaged or reeds to b< replaced <br />beneath the wit e[oclpile cites. Alw, since Pond 005 (4.8 acne), Pond 006 (7.9 acres), the Mira Rmnrce Rosd, HeW Road A, aM <br />Haul Roed G arc permenem ppeNdne (ecilitiee (11.2 acres), wit will ody be rcpkccd on a portion of Wose coeds eff«cively <br />rwmwirg them m 20 f«t wide. Topwil hoe b«o replaced o0 330.3 ecrea of disturbed u« through De«mber 31, 2000. 'Dtercforc, <br />the total dismrbmce erce requiring topwil as of December 31, 2000 was 468.9 acres et the mire site acid 96.11 acres for the tie-ecrme <br />• haul road. <br />Soil Replacement Thickrees <br />The soil repluement Wicknese for the first fivo-yeer permit term wee proj«ted to be 1.3 f«t for We mire Brea and 0.7 Ceet for the <br />lie-across haul med. The soil balance as of D«ember 3l, 2000 wee calculated es follows: <br />Mine Ar« <br />Total dislurberce erce = 827.1 acres <br />Permerenl Facilities & Topwil replaced = (358.2) scree <br />Disturberce ores requiring soil = 468.9 acres <br />Sal in stockpiles (Table 00.1) = 631.8 acre-f«t <br />Mean replacemem depth = 1.3 feet <br />Tie Aerase Haul Road <br />Dis[urberce area requiring soil = 96.6 acres <br />Soil in stockpiles (Table 00.1) = 69.7 acre-fee[ <br />Mean rcplecemem depth = 0.7 feet <br />• By dividing the soil available by the area requiring soil replaced, we arrive at the 2000 wit balerce thickness of 0.7 fat for the tio- <br />across Mal road erd 1.3 («I for the mine uea. By Ihia celculetion we love determined Wet SCC has ample Iopwil in stockpiles to <br />reclaim We mire et Wis point. <br />3 <br />