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2020-08-20_GENERAL DOCUMENTS - C1980007
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2020-08-20_GENERAL DOCUMENTS - C1980007
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Last modified
1/26/2025 3:06:00 AM
Creation date
8/27/2020 1:35:50 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
General Documents
Doc Date
8/20/2020
Doc Name Note
For RN7
Doc Name
Proposed Decision and Findings of Compliance
From
DRMS
To
Mountain Coal Company, LLC
Permit Index Doc Type
Findings
Email Name
LDS
JDM
Media Type
D
Archive
No
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Stipulation No. 7 <br /> THE DIVISION DIRECTS MOUNTAIN COAL COMPANY,PRIOR TO ANY DISTURBANCE AT THE <br /> UPPER WASTE SITE,TO INSTALL SEVERAL ELECTRONIC TILT METER TUBES DOWNSLOPE <br /> FROM THE TOE OF THE PROPOSED WASTE STRUCTURE. THESE TILT METER INSTALLATIONS <br /> SHALL BE INSTALLED AS SPECIFIED IN MCC'S AUGUST 15, 1985 SUBMITTAL. ONE <br /> INDICATOR SHALL BE INSTALLED WITHIN 160 FEET OF THE TOE OF THE WASTE PILE <br /> CURRENTLY HALF WAY BETWEEN MONUMENTS 51 AND 54. THE SECOND SHALL BE <br /> INSTALLED APPROPRIATELY 100 FEET NORTHEAST OF MONUMENT S2, 160 FEET NORTH OF <br /> THE TOE OF THE WASTE PILE,AS INDICATED ON DRAWING NO. MG-R C-001,INCLUDED IN <br /> THE PERMIT REVISION NO. 6 APPLICATION. DURING THE INSTALLATION OF THESE TILT <br /> METER TUBES, THE OPERATOR SHALL AUGER AND LOG THE SURFICIAL AND BEDROCK <br /> STRATIGRAPHY ENCOUNTERED. AUGERING SHALL CONTINUE UNTIL THE OPERATOR HAS <br /> ESTABLISHED INTACT BEDROCK OCCURRENCE. IF ANY EVIDENCE OF EXISTING LANDSLIDE <br /> DEPOSITS IS ENCOUNTERED,THE OPERATOR SHALL DEFINE THE NATURE AND EXTENT OF <br /> THE PRE-EXISTING SLOPE INSTABILITY. IF SUCH LANDSLIDE ACTIVITY IS DISCERNED,THE <br /> OPERATOR WILL BE REQUIRED TO APPROPRIATELY RECONFIGURE THE PILE DESIGN,PRIOR <br /> TO INITIATION OF ANY CONSTRUCTION ACTIVITY. <br /> STATUS: FUTURE. <br /> Stipulation No. 76 <br /> MOUNTAIN COAL COMPANY WILL INFORM THE MONTROSE OFFICE OF THE COLORADO <br /> DIVISION OF WATER RESOURCES OF PLACEMENT OF ALL NEW SURVEY MONUMENTS. <br /> MOUNTAIN COAL COMPANY WILL COPY THE MONTROSE OFFICE OF THE COLORADO <br /> DIVISION OF WATER RESOURCES ON ALL SURVEY,PIEZOMETER,AND <br /> ACCELEROMETER/SEISMOMETER MONITORING IN AND AROUND MONUMENT DAM. <br /> MOUNTAIN COAL COMPANY WILL NOTIFY THE MONTROSE OFFICE OF THE COLORADO <br /> DIVISION OF WATER RESOURCES WHENEVER THE PEAK GROUND ACCELERATION(PGA) <br /> THRESHOLD IS EXCEEDED DURING THE MONITORING PERIOD,WHETHER MINE-INDUCED OR <br /> NATURALLY-OCCURRING. <br /> STATUS: FUTURE. <br /> Enforcement Actions <br /> The following enforcement actions were issued since the last midterm review of the West Elk <br /> Mine permit application package (PAP): <br /> Cessation Order CO-2020-001, was issued on June 18, 2020 and remains in effect as of the date <br /> of these findings. CO-2020-001 prohibits MCC from conducting surface disturbing activities <br /> within the Sunset Roadless Area, but does not prohibit underground activity, or any previously <br /> approved activity outside of the Sunset Roadless Area. <br /> 4 <br />
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