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MASTER TABLE OF CONTENTS <br />III.A.7 Subsidence ........................................ ............................... ..........................III -9 <br />IV. MINE SURFACE FACILITIES OPERATIONS PLAN ..... <br />............................ IV -1 <br />IV.A General Description .......................................................................... ...........................IV -1 <br />IV.B Mine Portal Facilities ........................................................................ ...........................IV -2 <br />IV.B.1 Mine Entries ........................................................................ ...........................IV -3 <br />IV.B.2 Mine Service Buildings ....................................................... ...........................IV -4 <br />IV.B.3 Rock Dust Bin ..................................................................... ...........................IV -4 <br />IV.B.4 Explosive Storage ............................................................... ...........................IV -4 <br />IV.B.5 Surface Blasting Plan ......................................................... ...........................IV -4 <br />IV.0 Coal Processing, Transportation and Storage Facilities .................. ...........................IV -7 <br />IV.C.1 Conveyors ............................................................................ ...........................IV -7 <br />IV.C.2 Rotary Breaker ..................................................................... ...........................IV -8 <br />Technical Revision #68 (01/2011) <br />III.A.7.a Subsidence Area Survey ........................... ............................... III -9 <br />III.A.7.b Subsidence Control .................................... ............................... <br />III -9 <br />III.A.7.c Subsidence Prediction ............................. ............................... <br />III -11 <br />l II.A.7.d Horizontal Strain Prediction ..................... ............................... <br />III -14 <br />III.A.7.e Pillar Failure Subsidence Potential .......... ............................... <br />III -14 <br />III.A.71 Conclusions ...................... ............................... .........................III <br />-14 <br />III.A.7.g . Subsidence Prevention ............................ ............................... <br />III -17 <br />III.A.7.h Damage Mitigation .......... ............................... .........................III <br />-18 <br />III.A.7.i General Subsidence Control ..................... ............................... <br />III -19 <br />III.A.7.j Red Wash and Scullion Gulch .................. ............................... <br />III -19 <br />111.A.7.k Subsidence Effects on the Powerline ...... ............................... <br />111 -21 <br />III.A.7.1 Subsidence Monitoring Program .............. ............................... <br />III -22 <br />III.A.8 <br />Mine Ventilation ......................................................... ............................... <br />III -26 <br />III.A.9 <br />Underground Transportation ..................................... ............................... <br />III -28 <br />III.B <br />Surface Support Facilities ........................................................ ............................... <br />III -28 <br />111.13.1 <br />Coal Handling and Storage ....................................... ............................... <br />III -28 <br />111.6.2 <br />Coal Preparation Plant ..................... ............................... .........................III <br />-29 <br />111.13.3 <br />Refuse Disposal ........................................................ ............................... <br />III -29 <br />II I.B.4 <br />Temporary Coal Laydown Area ................................ ............................... <br />III -30 <br />III.0 <br />Auxiliary <br />Facilities ............................................ ............................... .........................III <br />-30 <br />III.D <br />Utilities ...................................................................................... <br />............................... <br />III -33 <br />III.D.1 <br />Electric Power Supply ............................................... ............................... <br />III -33 <br />III.D.2 <br />Water Supply .................................... ............................... .........................111 <br />-34 <br />III.D.3 <br />Sewage Treatment .................................................... ............................... <br />III -34 <br />III.D.4 <br />Telecommunication .......................... ............................... .........................III <br />-34 <br />III.E <br />Coal Loadout and Railroad Facilities ....................................... ............................... <br />III -34 <br />1115 <br />Miner Rescue Inftrastructure .................................................... ............................... <br />III -35 <br />IV. MINE SURFACE FACILITIES OPERATIONS PLAN ..... <br />............................ IV -1 <br />IV.A General Description .......................................................................... ...........................IV -1 <br />IV.B Mine Portal Facilities ........................................................................ ...........................IV -2 <br />IV.B.1 Mine Entries ........................................................................ ...........................IV -3 <br />IV.B.2 Mine Service Buildings ....................................................... ...........................IV -4 <br />IV.B.3 Rock Dust Bin ..................................................................... ...........................IV -4 <br />IV.B.4 Explosive Storage ............................................................... ...........................IV -4 <br />IV.B.5 Surface Blasting Plan ......................................................... ...........................IV -4 <br />IV.0 Coal Processing, Transportation and Storage Facilities .................. ...........................IV -7 <br />IV.C.1 Conveyors ............................................................................ ...........................IV -7 <br />IV.C.2 Rotary Breaker ..................................................................... ...........................IV -8 <br />Technical Revision #68 (01/2011) <br />