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.._ __-. . <br />-~- <br />FURTXl3R, IN ORDER ~ CLARIFY THE SPECIFIC LOCATION AND Dc-SICI! OF THc <br />SPOIL FILL TOEDRAIii WITHIN THE FIl1AL SOCITIIF]ESTERN PORTION OF THE h1AR TZ.NEZ <br />STRIP PIT, THc DI*/ISION DIRECTS CHL+1Nc7Y ROCri CO.;L 2t7 PREPARE A SPE~'IFIC <br />PLAN AND CROSS-SECTION DEPICTIP!G THE TOEDRAIN AVD ITS OUTF.4LL5 20 BE <br />CONSTRUCTED IN THAT PORTION OF THE PIT. THAT TOEDRAIN SHALL MEASURE AT <br />LEAST 4 FEET DEEP AllD 15 FEET WIDF AND SIfALL EXTEND THE ENTIRE LENGTH <br />OF THE DOWNDIP BOUNDARY OF TXE FINAL EXCAVATED CUT. THAT TOEDRRZN SHALL <br />BE INSTALLED AT .AN ELEVATION SIiFFICIENT TO ALLOCJ OUTFACES 20 DRAIN AT A <br />hfINI1Nh1 GRADE OF OIJE PERCEl1T TOWARD Tf1E NEIGHBORING STGLLSTEZIdER CP.EEK <br />VALLEY. Tnc SPECIFIC PL.~IN AND CROSS-SEC PION SHALL BE SUBMITTED TO THE <br />DIVISION, FOR REVIEW AIJD APPROVAL, iJ0 LATER THAN 30 DAYS FOLiA WING ISSUANCE <br />OF TXE PER.'iIT. <br />FURTHER, IF CXZMNEI' ROCK COAL DESIP.ES TO PURSUE TFIE DELETION OF THE SPOIL <br />FILL TOEDRAIN, THE COIdPANY SHALL PREPARE AiJ APPROPRIATE PROJECTION OF THE <br />POST-MINING t•IATER TABLE WITHIN T1fE BACXFILLED SPOIL. TIfIS ANALYSIS, <br />INCLUDING hfODELING OF TXE POST-h17NING G?ATER TABLE, SHALL BE SUBMITTED TO <br />THE DIVISION FOR REVIEW AND APPRC /AL. CONSTRUCTIOI7 CF THE SPOIL PILE <br />Zt~EDR,4IN SHALL CONTINUE AS APPROVED UNTIL THE DIVISION SPECIFICALLY <br />APPROVES All APPROPRIATE PLAN REVISION, ZN WRITING. <br />23. 4iITHIN 180 DA 1'S OF PERMIT ISSUANCE C1IIhfP1Ek' ROCK COAL hR+ST SUBh1IT A <br />COMPREHENSIVE PLAN TO BE I14PLEMEh!TED DURING RECONSTRUCITON OF T1fE <br />EPHEMERAL DRAINAGE. TXE PLAIT h1UST IiVCLUDE 6UT NOT BE LIMITED TO THE <br />FOLLOWING INFOR'•fATIOh1: <br />1. SIZE OF ORAINAGc r7RE.-l; <br />2. ESTI};r1TED PEAR FLOW FOR A 25-YEAR EVENT; <br />3. GRADE OF DRAINAGE; <br />S, SIZE OF RECO:VSTR UCTED DRAINAGE; <br />5. i•1A TERIAL TO 9E USED 117 LINE THE DRAINAGE; AIID <br />o. A IIAP DEPICTi VG 'PRE LOCATION OF Tiic Rcr'ONSTA'JCTED DPAINAGE AiJD 5(!OC'IiNG <br />WHERE IT COI.111ECT5 CaITH THE Uh!DISTCIRBED POR TIOI•J OF THE DRAINAGE. <br />2~. CHL+fNEY ROCK COAL d1UST SUBh12T DOCU.'~tE1JTATION _TXAT APPROVAL HAS BEEN GRANTED <br />FROM WESTERN SLOPE GAS COMPANY BEFORE THE Ha UL ROAD CROSSES TILE PIFELIIJE. <br />