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-4- <br />Stipulation No. 13'~ <br />~/~ L <br />THE DIVISION DIRECTS WEST ELK COAL CO[~ANY, PRIOR TO ANY DISTURBANCE AT <br />THE UPPER WASTE SITE, ZD INSTALL SEVERAL ELECTRONIC TILT METER TUBES <br />DCWNSLOPE FROM THE TOE OF THE PRUPOSID WASTE STRUCTURE. WITHIN 30 DAYS <br />FOLLOWING APPRUJAL OF PERMIT REVISION APPLICATION, WEST ELK COAL <br />COMPANY SHALL SUBMIT TD THE DIVISION A PLAN FOR THE INSTALLATION OF THE <br />TILT METER FACILITIES. THESE TILT METER INSTALLATIONS SHALL OCCUR IN <br />THE VICINITY OF MONUMENTS S1 AND 52, AS INDICATED ON DRAWING N0. MG-R <br />C-001, INCLUDED IN THE PERMIT REVISION APPLICATION. DURING THE <br />INSTALLATION OF THESE TILT METER TUBES, THE OPERATOR SHALL AUGER AND <br />LOG THE SURFICIAL AND BEDROCK STATIGRAPHY INCOUNTERED. AUGERING SHALL <br />CONTINUE UNTIL THE OPERATOR HAS ESTABLISHED INTACT BEDROCK OCC[JRRINCE. <br />IF ANY EVIDENCE OF EXISTING LANDSLIDE DEPOSITS IS INC;OUNTERED, THE <br />OPERATOR SHALL DEFINE THE NATURE AND EXTENT OF THE PRE-EXISTING SLOPE <br />INSTABILITY. IF SUCH LANDSLIDE ACTIVITY IS DISCERNED, THE OPERATOR <br />WILL BE REQUIRED TO APPROPRIATELY RECONFIGURE THE PILE DESIGN, PRIOR TO <br />INITIATION OF ANY INSTRUCTION ACTIVITY. <br />Stipulation No. 14 ;/ <br />~ ~~ WITHIN NINETY (90) DAYS OF APPROVAL OF THE LC1udER WASTE PILE PERMIT <br />REVISION, WECC SHALL SUBMIT A REVISED WATER MONITORING PLAN THAT <br />INCLUDES MONITORING OF THE WASTE PILE. THE PLAN SHALL INCLUDE DIRECT <br />SAMPLING OF THE SIDII~PT FOND AND UNDERDRAINS DISCHARGE TWICE PER YEAR <br />DURING THE SECOND AND THIRD QUARTER OF THE YEAR. THE PARANIEI'F~RS SHALL <br />BE THE FULL LIST OF CHEMICAL CONSTITUENTS, AT FEAST FOR THE FIRST <br />YEAR. WECC MAY REQUEST AN ADJUSTMENT OF THE MONITORING REQUIREMENTS <br />AFTER THE FIRST YEAR DEPENDING ON THE RESULTS OF THE MONITORING. <br />Stipulation No. 15 <br />~c ~0 <br />THE DIVISION DIRECTS WEST ELK COAL COf4PANY TO COMPLETE A THOROUGH <br />RECONNAISSANCE GmLOGIC MAPPING OF THE PROPOSED UPPER WASTE PILE ACCESS <br />ROADF7AY CORRIDOR. THE APPLICANT SHALL PLACE SPECIFIC EMPHASIS UPON THE <br />DETECTION OF SLOPE INSTABILITY EVIDENCE AND DRAINAGE CHARACTERISTICS OF <br />THE PROPOSED ROAD ALIGDA'~PP. <br />FURTHER, THE DIVISION DIRECTS WEST ELK COAL COMPANY, UTILIZING THE <br />RESULTS OF THE RECDNN.AISSANCE GEOLOGIC MAPPING, AND EARLIER ADJOINING <br />SURFACE FACILITY ROAD DESIGN STUDIES, IF APPROPRIATE, 'TO COMPLETE A <br />PRELIMINARY ACCESS ROAD CUT-SLOPE STABILIZATION AND DRAINAGE DESIGN. <br />THE MAPPING AND PRELIMINARY DESIGN SHALL BE APPROVED BY T[~ DIVISION, <br />IN WRITING, PRIOR TO ANY DISTURBANCE OF THE ACCESS ROAD CORRIDOR. <br />Stipulation No. 16 T <br />~ ~\ <br />THE DIVISION DIRECTS WEST ELK COAL CO[~ANY TO CONSTRUCT THE UPPER WASTE <br />PILE ACCESS ROAD AS AN INITIAL PIONEER ROAD WITH MINIMIZED EXCAVATION. <br />UPON EXPOSURE OF THE EXCAVATED CUT-STAPES OF THAT PIONEER ROADWAY, THE <br />OPERATOR SHALL 0."k'(PLETE A FINAL GEC/TECFAIICAL INVESTIGATION OF THE <br />ACCESS ROAD CORRIDOR. THIS GEOT'ECFDIICAL INVESTIGATION SHALL BE <br />