1992-12-16_GENERAL DOCUMENTS - C1980007

• Permit No: C1980007
• IBM Index Class Name: General Documents
• Doc Date: 12/16/1992
• Doc Name: Proposed Decision & Findings of Compliance for RN2
• Permit Index Doc Type: Findings
• Media Type: D
• Archive: No

FROM THE MINE WORKINGS WILL BE OF ACCEPTABLE QUALITY AND WILL REMAIN
ACCEPTABLE AFTER MINE CLOSURE. THIS SHALL INCLUDE CHEMICAL ANALYSIS AND
A PREDICTIVE MODEL THAT USES OXIDATION AND REDUCTION POTENTIAL TO
DETERMINE LONG-TERM WATER QUALITY OF MINE WATERS. ALSO, THE PLAN SHALL
INCLUDE THE CONSTRUCTION OF A SUITABLE CHANNEL FOR MINE DISCHARGE.
STATUS: Future
Stipulation No. 4
WHEN THE APPLICANT SUBMITS A PERMIT APPLICATION TO UNDERMINE THE DRY FORK
OF MINNESOTA CREEK, THE SUBSIDENCE PROTECTION PLAN SHALL BE BASED UPON
MONITORING INFORMATION COLLECTED DURING THE EARLIER PHASES OF MINING.
STATUS: Terminated
Stipulation No. 5
FOLLOWING STOCKPILING, TOPSOIL STOCKPILES THAT WILL NOT BE REDISTRIBUTED
FOR FIVE OR MORE YEARS SHALL BE SEEDED WITH THE PROPOSED PERMANENT SEED
MIX (EXCLUDING SHRUBS) AND NOT THE TEMPORARY SEED MIX.
STATUS: Terminated
Stipulation No. 6
THE DIVISION DIRECTS MOUNTAIN COAL COMPANY, PRIOR TO ANY DISTURBANCE AT
THE UPPER WASTE PILE SITE, TO SUBMIT AN APPROPRIATE AMENDMENT TO THE
OPERATION PLAN WITHIN THE EXISTING PERMIT TO LIMIT EXTRACTION BENEATH THE
WASTE PILE AND WITHIN A DEFINED BUFFER ZONE TO PRIMARY DEVELOPMENT ONLY.
THE SURFACE BUFFER ZONE WILL BE DEFINED BY THE SUBSIDENCE ANGLE OF DRAW.
STATUS: Future
Stipulation No. 7
THE DIVISION DIRECTS MOUNTAIN COAL COMPANY, PRIOR TO ANY DISTURBANCE AT
THE UPPER WASTE SITE, TO INSTALL SEVERAL ELECTRONIC TILT METER TUBES
DOWNSLOPE FROM THE TOE OF THE PROPOSED WASTE STRUCTURE. THESE TILT METER
INSTALLATIONS SHALL BE INSTALLED AS SPECIFIED IN MCC'S AUGUST 15, 1985
SUBMITTAL. ONE INDICATOR SHALL BE INSTALLED WITHIN 160 FEET OF THE TOE
OF THE WASTE PILE CURRENTLY HALF WAY BETWEEN MONUMENTS 51 AND 54. THE
SECOND SHALL BE LISTED APPROPRIATELY 100 FEET NORTHEAST OF MONUMENT S2 ,
160 NORTH OF TOES OF THE WASTE PILE, AS INDICATED ON DRAWING NO. MG-R
C-001 , INCLUDED IN THE PERMIT REVISION APPLICATION. DURING THE
INSTALLATION OF THESE TILT METER TUBES, THE OPERATOR SHALL AUGER AND LOG
THE SURFICIAL AND BEDROCK STRATIGRAPHY ENCOUNTERED. AUGERING SHALL
CONTINUE UNTIL THE OPERATOR HAS ESTABLISHED INTACT BEDROCK OCCURRENCE.
IF ANY EVIDENCE OF EXISTING LANDSLIDE DEPOSITS IS ENCOUNTERED, THE
OPERATOR SHALL DEFINE THE NATURE AND EXTENT OF THE PRE-EXISTING SLOPE
INSTABILITY. IF SUCH LANDSLIDE ACTIVITY IS DISCERNED, THE OPERATOR WILL
BE REQUIRED TO APPROPRIATELY RECONFIGURE THE PILE DESIGN, PRIOR TO
INITIATION OF ANY CONSTRUCTION ACTIVITY.
-4-