Laserfiche WebLink
DETERMINE LONG-TERM WATER QUALITY OF MINE WATERS. ALSO, THE PLAN SHALL <br /> INCLUDE THE CONSTRUCTION OF A SUITABLE CHANNEL FOR MINE DISCHARGE. <br /> STATUS: Future <br /> Stipulation No. 7 <br /> THE DIVISION DIRECTS MOUNTAIN COAL COMPANY, PRIOR TO ANY DISTURBANCE AT <br /> THE UPPER WASTE SITE, TO INSTALL SEVERAL ELECTRONIC TILT METER TUBES <br /> DOWNSLOPE FROM THE TOE OF THE PROPOSED WASTE STRUCTURE. THESE TILT <br /> METER INSTALLATIONS SHALL BE INSTALLED AS SPECIFIED IN MCC'S AUGUST 15, <br /> 1985 SUBMITTAL. ONE INDICATOR SHALL BE INSTALLED WITHIN 160 FEET OF THE <br /> TOE OF THE WASTE PILE CURRENTLY HALF WAY BETWEEN MONUMENTS 51 AND 54. <br /> THE SECOND SHALL BE LISTED APPROPRIATELY 100 FEET NORTHEAST OF <br /> MONUMENT S2, 160 FEET NORTH OF TOES OF THE WASTE PILE, AS INDICATED ON <br /> DRAWING No. MG-R C-001, INCLUDED IN THE PERMIT REVISION NO. 6 <br /> APPLICATION. DURING THE INSTALLATION OF THESE TILT METER TUBES, THE <br /> OPERATOR SHALL AUGER AND LOG THE SURFICIAL AND BEDROCK STRATIGRAPHY <br /> ENCOUNTERED. AUGERING SHALL CONTINUE UNTIL THE OPERATOR HAS ESTABLISHED <br /> INTACT BEDROCK OCCURRENCE. IF ANY EVIDENCE OF EXISTING LANDSLIDE DEPOSITS <br /> IS ENCOUNTERED, THE OPERATOR SHALL DEFINE THE NATURE AND EXTENT OF THE <br /> PRE-EXISTING SLOPE INSTABILITY. IF SUCH LANDSLIDE ACTIVITY IS DISCERNED, THE <br /> OPERATOR WILL BE REQUIRED TO APPROPRIATELY RECONFIGURE THE PILE DESIGN, <br /> PRIOR TO INITIATION OF ANY CONSTRUCTION ACTIVITY. <br /> STATUS: Future <br /> Stipulation No. 18 <br /> THE DIVISION DIRECTS MCC TO COMPLETE A DETAILED ANALYSIS OF THE POTENTIAL <br /> EFFECTS UPON THE SLOPE STABILITY OF THE LANDSLIDE DEPOSITS ADJOINING BEAVER <br /> RESERVOIR. MCC SHALL INSTALL AND MONITOR AN APPROPRIATE SET OF <br /> MONUMENTS ON THE LANDSLIDE DEPOSITS IN ORDER TO OBSERVE THE POTENTIAL <br /> DISPLACEMENT OF THE LAND FORM. THE DETAILED ANALYSIS SHALL BE COMPLETED <br /> AND SUBMITTED TO THE DIVISION FOR REVIEW, PRIOR TO REQUEST FOR APPROVAL TO <br /> EXTRACT COAL BENEATH THE LANDSLIDE DEPOSITS ADJOINING BEAVER RESERVOIR. <br /> STATUS: Future <br /> Stipulation No. 19 <br /> THE DIVISION DIRECTS MCC, AS A PORTION OF ITS SUBSEQUENT PERMIT <br /> APPLICATIONS FOR THE MINE, TO SUBMIT REVISED SUBSIDENCE EVALUATIONS. THE <br /> SUBSIDENCE EVALUATION FOR EACH PERMIT PERIOD REQUESTED SHALL INCORPORATE <br /> THE RESULTS OF SUBSIDENCE MONITORING AND THE LANDSLIDE STABILITY STUDIES <br /> COMPLETED TO DATE, AS STIPULATED ABOVE. PARTICULAR ATTENTION SHALL BE <br /> FOCUSED UPON DESIGNATED SAFE AREA BUFFERS, TO BE OBSERVED IN FUTURE <br /> MINING BENEATH CRITICAL AREAS, INCLUDING THE DRY FORK OF MINNESOTA <br /> CREEK, AND BEAVER RESERVOIR AND THE LANDSLIDE DEPOSITS ADJOINING IT. THE <br /> 2 <br />