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-4- <br />IF ANY EVIDENCE OF EXISTING LANDSLIDE DEPOSITS IS ENCOUNTERED, THE <br />OPERATOR SHALL DEFINE THE NATURE AND EXTENT OF THE PRE-EXISTING SLOPE <br />INSTABILITY. IF SUCH LANDSLIDE ACTIVITY IS DISCERNED, THE OPERATOR <br />WILL BE REQUIRED TO APPROPRIATELY RECONFIGURE THE PILE DESIGN, PRIOR TO <br />INITIATION OF ANY CONSTRUCTION ACTIVITY. <br />Stipulation No. 13 ~ <br />~~Z~ THE DIVISION DIRECTS WEST ELK COAL COMPANY TO COMPLETE A THOROUGH <br />RECONNAISSANCE GEOLOGIC MAPPING OF THE PROPOSED UPPER WASTE PILE ACCESS <br />ROADWAY CORRIDOR. THE APPLICANT SHALL PLACE SPECIFIC EMPHASIS UPON THE <br />DETECTION OF SLOPE INSTABILITY EVIDENCE AND DRAINAGE CHARACTERISTICS OF <br />THE PROPOSED ROAD ALIGNMENT. <br />FURTHER, THE DIVISION DIRECTS WEST ELK COAL COMPANY, UTILIZING THE <br />RESULTS OF THE RECONNAISSANCE GEOLOGIC MAPPING, AND EARLIER ADJOINING <br />SURFACE FACILITY ROAD DESIGN STUDIES, IF APPROPRIATE, TO COMPLETE A <br />PRELIMINARY ACCESS ROAD CUT-SLOPE STABILIZATION AND DRAINAGE DESIGN. <br />THE MAPPING AND PRELIMINARY DESIGN SHALL BE APPROVED BY THE DIVISION, <br />IN WRITING, PRIOR TO ANY DISTURBANCE OF THE ACCESS ROAD CORRIDOR. <br />Stipulation No. 14 <br />~ \` THE DIVISION DIRECTS WEST ELK COAL COMPANY TO CONSTRUCT THE UPPER WASTE <br />PILE ACCESS ROAD AS AN INITIAL PIONEER ROAD WITH MINIMIZED EXCAVATION. <br />UPON EXPOSURE OF THE EXCAVATED CUT-SLOPES OF THAT PIONEER ROADWAY, THE <br />OPERATOR SHALL COMPLETE A FINAL GEOTECHNICAL INVESTIGATION OF THE <br />ACCESS ROAD CORRIDOR. THIS GEOTECHNICAL INVESTIGATION SHALL BE <br />COMPLETED BY APPROPRIATELY QUALIFIED PROFESSIONAL GEOLOGICAL OR <br />ENGINEERING PERSONNEL. THE PURPOSE OF THIS FINAL INVESTIGATION SHALL <br />BE TO VERIFY, OR APPROPRIATELY AMEND, THE FINDINGS OF THE <br />RECONNAISSANCE GEOLOGIC MAPPING OF THE ROADWAY CORRIDOR. <br />FURTHER, WEST ELK COAL COMPANY, UTILIZING THE FINDINGS OF THE FINAL <br />GEOTECHNICAL INVESTIGATION, SHALL COMPLETE A FINAL ENGINEERED CUT-SLOPE <br />AND DRAINAGE DESIGN FOR THE UPPER WASTE PILE ACCESS ROAD. THIS FINAL <br />DESIGN SHALL BE APPROVED BY THE DIVISION, IN WRITING, AND THE <br />CONSTRUCTION COMPLETED IN ACCORDANCE WITH THAT DESIGN, PRIOR TO THE <br />TRANSPORTATION OF ANY WASTE MATERIAL ALONG THAT ACCESS ROAD. <br />f Stipulation No. 15 <br />~. ~~ THE DIVISION DIRECTS WECC TO COMPLETE THE INSTALLATION OF THE <br />SUBSIDENCE MONITORING NETWORK PRIOR TO THE INITIATION OF EXTRACTION OF <br />COAL WITHIN THE PANEL DESIGNATED IN APPENDIX A TO THE NOVEMBER, 1984 <br />PERMIT REVISION APPLICATION ENTITLED "APPLICATION TO REVISE THE MINING <br />AND RECLAMATION PLAN FOR THE MT. GUNNISON N0. 1 UNDERGROUND MINE". <br />THIS MONITORING NETWORK IS DESIGNED TO MONITOR THE FIRST PANEL WEST <br />FROM THE SW MAINS INTAKES AND SOUTH OF THE N0. 1 WEST SUBMAINS, <br />DESIGNATED AS "PANEL 1W-1S", LOCATED ADJACENT TO AND PARALLEL TO THE <br />WESTERN BOUNDARY OF SECTION 21, RANGE 90W, TOWNSHIP 135. THIS <br />MONITORING NETWORK SHALL CONSIST OF SUBSTANTIAL MONUMENTS DESIGNED TO <br />RESIST FROST-HEAVE, FIRE, AND THE ACTIONS OF CATTLE AND WILDLIFE. <br />