1994-10-21_GENERAL DOCUMENTS - C1980007

• Permit No: C1980007
• IBM Index Class Name: General Documents
• Doc Date: 10/21/1994
• Doc Name: Proposed Decision & Findings of Compliance for PR5
• From: Jumbo Mountain Lease
• Permit Index Doc Type: FINDINGS
• Media Type: D
• Archive: No

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 53. 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.
STATUS: Future
Stipulation No. 18
THE DIVISION DIRECTS 14CC TO COMPLETE A DETAILED ANALYSIS OF THE
POTENTIAL EFFECTS UPON THE SLOPE STABILITY OF THE LANDSLIDE DEPOSITS
ADJOINING BEAVER RESERVOIR. MCC SHALL INSTALL AND MONITOR AN
APPROPRIATE SET OF MONUMENTS ON THE LANDSLIDE DEPOSITS IN ORDER TO
OBSERVE THE POTENTIAL DISPLACEMENT OF THE LAND FORM. THE DETAILED
ANALYSIS SHALL BE COMPLETED AND SUBMITTED TO THE DIVISION FOR REVIEW,
PRIOR TO REQUEST FOR APPROVAL TO EXTRACT COAL BENEATH THE LANDSLIDE
DEPOSITS ADJOINING BEAVER RESERVOIR.
STATUS: Future
Stipulation No. 19
THE DIVISION DIRECTS MCC, AS A PORTION OF ITS SUBSEQUENT PERMIT
APPLICATIONS FOR THE MINE, TO SUBMIT REVISED SUBSIDENCE EVALUATIONS.
THE SUBSIDENCE EVALUATION FOR EACH PERMIT PERIOD REQUESTED SHALL
INCORPORATE THE RESULTS OF SUBSIDENCE MONITORING AND THE LANDSLIDE
STABILITY STUDIES COMPLETED TO DATE, AS STIPULATED ABOVE. PARTICULAR
ATTENTION SHALL BE FOCUSED UPON DESIGNATED SAFE AREA BUFFERS, TO BE
OBSERVED IN FUTURE MINING BENEATH CRITICAL AREAS, INCLUDING THE DRY FORK
OF MINNESOTA CREEK, AND BEAVER RESERVOIR AND THE LANDSLIDE DEPOSITS
ADJOINING IT. THE AMENDED SUBSIDENCE EVALUATIONS SHALL INCLUDE THE
PROPOSAL OF APPROPRIATE SUBSIDENCE MONITORING NETWORKS WITHIN EACH OF
THESE DESIGNATED AREAS.
STATUS: Future
Stipulation No. 21
THE APPLICANT MUST INSTALL MONITORING WELLS IN, CONDUCT PUMPING TEST ON,
AND MONITOR WATER LEVELS AND WATER QUALITY IN THE ALLUVIUM OF DRY FORK,
LICK CREEK, SOUTH PRONG AND HORSE CREEK ONE YEAR PRIOR TO MINING WITHIN
THE WATERSHEDS OF THESE STREAMS. THE APPLICANT SHALL SUBMIT TO THE
DIVISION THE DATA AND RESULTS OF THESE TESTS AND MONITORING ALONG WITH
PROJECTED IMPACTS PRIOR TO CONDUCTING MINING WITHIN ANY OF THE
WATERSHEDS.
STATUS: Future
Stipulation NO. 47
SUBMIT REVISED MAPS AND PAGES FOR MINOR REVISION NO. 87.
STATUS: Complied With
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