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<br />-5- <br />COD'IPLETED BY APPROPRIATELY QUALIFIED PROFESSIONAL GDOL,OGICAL OR <br />ENGINEERING PERSONI~L. 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 SAL COMPANY, UTILIZING THE FINDINGS OF THE FINAL <br />GDOT£CHNICAL INVESTIGATION, SHALL CR+'IPI.LTE A FINAL ENGINEFRFn CUT-SIAPE <br />AND DRAINAGE DESIGN FOR THE UPPER W7vSTE PILE ACCESS 130AD. THIS FINAL <br />DESIGN SHALL BE APPRdJED BY THE DIVISION, IN WRITING, AND THE <br />INSTRUCTION CCh1PLE'TED IN AC~RDANCE WITH THAT DESIGN, PRIOR TO THE <br />TRANSPOFQ'ATION OF ANY WASTE h1ATERIAL ALONG THAT ACCESS ROAD. <br />Stipulation No. 17 ,~ <br />~ ~~ <br />WECC hIUST SUBMIT ADDITIONAL BOND, IN THE AMOUNT'S DESCRIBED IN THE L~'ER <br />WASTE PILE PERMIT REVISION APPLICATION, AT LEAST THIRTY (30) DAYS PRIOR <br />'TO THE CQ~4~YE1~'CE[~'~NT OF CONSTRUCTION OF PHASES III, IV, and V OF THE <br />LOWER WASTE PILE. THESE ADDITIONAL BONDS MUST BE APPROJED AND ACCEP'T'ED <br />BY THE DIVISION PRIORR TO CONSTRUCTION FOR THESE PHASES. <br />Stipulation No. 18 / <br />~ ,2- <br />THE DIVISION DIRECTS WBCC TO COh1PLETE THE INSTALLATION OF THE <br />SUBSIDENCE MONITORING NETWORK PRIOR ~ THE INITIATION OF EXTRACTION OF <br />CbAL WITHIN THE PANEL DESIGNATED IN APPENDIX A ~ THE NOVEMBER, 1984 <br />PERMIT REVISION APPLICATION ENTITLED "APPLICATION TO REVISE THE NLiNING <br />AND RECLAMATION PLAN FOR THE hTT. GUNNISON N0. 1 UNDERGROUND MINE". <br />THIS h10NITORING NET4~RK IS DESIGNED TO MONITOR THE FIRST PANEL [vEST <br />FROM T"riE SW MAINS INTAKES AND SOUTH OF THE N0. 1 WEST SUBMAINS, <br />DESIGNATED AS "PANEL 1W-15", DATED ALIJACENT TO AND PARAi.i.FT. ~ THE <br />WESTERN PAUNDARY OF Sz.1:.'TION 21, RANGE 90W, TOFiNSHIP 135. THIS <br />MONITORING T[~ETk17RK SHALL CONSIST OF SUBSTANTIP.L h?ONUh~TS DESIGNED TO <br />RESIST FROST-HEAVE, FIRE, AND THE ACTIONS OF CATTLE AND i9ILDLIFE. <br />.Stipulation No. 19 t <br />~ ~~ y THE SUBSIDENCE MONITGRING NETWORK SHALL BE SURVEYED UTILIZING <br />CONVENTIONPS~ GROUIvR SLRJEYING TECrIIvIQUES, DESIG[~D TO ACHIEVE <br />HORIZONTAL ACCURACIES COMELYING 4+ZTH THE U.S. DEP.4RTt~'~CNT OF C'Q~PIEFSS'S <br />"SECOATD ORDER, CL'-ASS II" SURV~'Y STANDARDS, AND V-tS2TICAL ACCUF2ACIE5 NO <br />LESS THAN + 0.2 FEET. THIS GRID SHALL BE SURVEYED TS4ICE PRIOR TO THE <br />L~]ITIATION OF SUBSIDE~vCE. IN INJUNCTION WITH THESE SURVEYS WECC SHALL <br />SELECT P1~U ESTABLISH A hffNIMUM OF SIX TRIANGULATION BENCH hfARK <br />MONUMENTS OUTSIDE THE AREA OF ANTICIPATED SUBSIDENCE EFFECTS, FOR THE <br />PURPOSE OF CORRELATION WITH P.ERIAL PHOTOGRAMMEI'RIC POST-SUBSIDENCE <br />SURVEYS. <br />.stipulation No. 20 <br />~ ~a <br />WEB HAS REQUESTED PERMISSION 'TlO COh'1PLETE A PRE-SUBSIDE'~CE AFRTAr <br />PHOTOGRAh'A~TRIC SURVEY OF THE SUBSIDENCE MONITORING GRID, FOR THE <br />PURPOSE OF CORRELATION WITH T'HE FIELD SURVEY RESULTS. IT IS WECC'S <br />INITINTION TO UTILIZE AERIAL PHOTOGRAMMETRIC METHODOLOGY ~ MONITOR <br />POST-SUBSIDENCE MOVFI+~ITS OF THE SUBSIDENCE MONUN~ITS. THE RESULTS OF <br />