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Richard D. Lamm <br />Governor <br />DEPARTMENT OF NATURAL RESOURCES <br />Davitl H. Getohes, Executwe Direetor <br />MINED LAND RECLAMATION DI1 <br />DAVID C. SNELTON, Dlractor <br />STIPULATIONS FOR EMPIRE <br />TECHNICAL REVISION N0. 4 - "E" <br />DEVELOPMENT WORK <br />ENERGY'S <br />SEAM MINE N0. 6 <br />STIPULATION N0. 1) PRIOR TO ANY REMOVAL OF COAL AS A RESULT OF DEVELOPMENT <br />WORK IN THE "E" SEAM, EMPIRE ENERGY MUST RECEIVE THE <br />APPROVAL OF THE MINED LAND RECLAMATION DIVISION FOR <br />EMPIRE'S PLAN FOR MONITORING ANY DECREASES IN THE GROUND <br />WATER INFLOW RATE INTO THE N0. 5 MINE DIRECTLY ABOVE AND <br />CONTIGUOUS TO THE HORIZONTAL AREA REPRESENTING THE MINE <br />AREA FOR THE N0. 6 MINE DEVELOPMENT WORK. <br />THIS INFLOW SHALL BE MEASURED ON A REGULAR BASIS (TO BE <br />AGREED UPON BY DISCUSSION WITH MINED LAND RECLAMATION <br />DIVISION REPRESENTATIVES) PRIOR TO N0. 6 MINE DEVELOPMENT <br />• WORK AND DURING DEVELOPMENT WORK. TF IT CAN BE <br />DEMONSTRATED THAT NO SIGNIFICANT INFLOW EXISTS, THIS <br />STIPULATION WILL BE ELIMINATED. <br />STIPULATION N0. 2) IN ORDER TO ASSURE COMPETENCY OF THE CULVERT UNDERLYING <br />THE RAMP TO THE WASTE PILE, THE OPERATOR HAS COMMITTED TO <br />EIGHTY-FIVE PERCENT COMPACTION OF THE TWO F00T OF MATERIAL <br />TO BE BACKFILLED AROUND THE CULVERT. THE FOLLOWING <br />STIPULATION IS REQUIRED TO ASSURE PROPER BASE FOR THE <br />CULVERT AND TESTING OF THE COMPACTED MATERIALS. <br />THE EIGHTY-FIVE PERCENT COMPACTION MUST BE ACHIEVED IN THE <br />MATERIAL SURROUNDING THE CULVERT IN A TWO FOOT RADIUS <br />INCLUDING THE BASE. THE OPERATOR MUST SUBMIT <br />UALIFIED PERSONNEL DETAILING THE <br />TECHNIQUES OF CULVERT PLACEMENT AND COMPACTION RESULTS BY <br />ACCEPTED AASHTO STANDARDS WITHIN TWO WEEKS OF COMPLETING <br />CONSTRUCTION. A MINIMUM OF FOUR DENSITY TESTS SHOULD BE <br />CONDUCTED WITH TWO ON THE COMPACTED TOP AND TWO ON THE <br />BASE. <br />• Srs <br />0139E <br />423 Centennial Building, 1313 Sherman Street Denver, Colorado 80203 Tel. (303) 866-3567 <br />