Laserfiche WebLink
RIDER TO MINING PERMIT <br />Permit Date: November 28, 2011 <br />Permit No: C- 1980 -007 <br />The following additional stipulations form an integral part of the foregoing permit: <br />Stipulation No. Description <br />3. <br />7. <br />THE OPERATOR SHALL, UPON CLOSURE, <br />INSTALL WATER -TIGHT SEALS WITHIN THE <br />MINE TO PREVENT GRAVITIY DISCHARGE. <br />THIS REQUIREMENT MAY BE WAIVED UPON <br />THE DIVISION'S APPROVAL OF A PLAN <br />SUBMITTED BY THE OPERATOR. THIS PLAN <br />SHALL INCLUDE A DEMONSTRATION THAT <br />THE WATER QUALITY OF THE DISCHARGE <br />FROM THE MINE WORKINGS WILL BE OF <br />ACCEPTABLE QUALITY AND WILL REMAIN <br />ACCEPTABLE AFTER MINE CLOSURE. THIS <br />SHALL INCLUDE CHEMICAL ANALYSIS AND <br />A PREDICTIVE MODEL THAT USES <br />OXIDATION AND REDUCTION POTENTIAL <br />TO DETERMINE LONG -TERM WATER <br />QUALITY OF MINE WATERS. ALSO, THE <br />PLAN SHALL INCLUDE THE CONSTRUCTION <br />OF A SUITABLE CHANNEL FOR THE MINE <br />DISCHARGE. <br />THE DIVISION DIRECTS MOUNTAIN COAL <br />COMPANY, PRIOR TO ANY DISTURBANCE <br />AT THE UPPER WASTE SITE TO INSTALL <br />SEVERAL ELECTRONIC TILT METER TUBES <br />DOWNSLOPE FROM THE TOE OF THE <br />PROPOSED WASTE STRUCTURE. THESE <br />TILT METER INSTALLATIONS SHALL BE <br />INSTALLED AS SPECIFIED IN MCC'S AUGUST <br />15, 1995 SUBMITTAL. ONE INDICATOR <br />SHALL BE INSTALLED WITHIN 160 FEET OF <br />THE TOE OF THE WASTE PILE CURRENTLY <br />HALF WAY BETWEEN MONUMENTS 51 AND <br />54. THE SECOND SHALL BE LISTED <br />APPROPRIATELY 100 FEET NORTHEAST OF <br />