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MASTER TABLE OF CONTENTS III.A.4 Mining Equipment ....................................................................... ........................III-7 • III.A.S Roof Control ................................................................................ ........................ III-8 III.A.6 Mining Plan ................................................................................. ........................III-8 III.A.7 Subsidence ................................................................................. ........................III-9 III.A.7.a Subsidence Area Survey ......................................... ........................ III-9 III.A.7.b Subsidence Control .................................................. ......................III-10 III.A.7.c Subsidence Prediction .............................................. ......................III-11 III.A.7.d Horizontal Strain Prediction ..................................... ......................III-13 III.A.7.e Pillar Failure Subsidence Potential .......................... ......................III-15 III.A.7.f Conclusions .............................................................. .......................III-15 III.A.7.g Subsidence Prevention ............................................ ......................III-15 III.A.7.h Damage Mitigation ................................................... ......................III-19 III.A.7.i General Subsidence Control .................................... .......................III-19 III.A.7.j Red Wash and Scullion Gulch ................................. .......................III-20 III.A.7.k Subsiderice Effects on the Powerline ..................... .......................III-21 III.A.7.1 Subsidence Monitoring Program ............................. .......................III-23 III.A.B Mine Ventilation ......................................................................... .......................III-27 III.A.9 Underground Transportation ..................................................... .......................III-29 III.B Surface Support Facilities ......................................................................... .......................III-29 III.B.1 Coal Handling and Storage ....................................................... .......................III-29 . III.B.2 Coal Preparation Plant .............................................................. .......................III-29 III.B.3 Refuse Disposal ........................................................................ .......................lll-30 III.B.4 Temporary Coal Laydown Area ................................................ .......................III-30 III.C. Auxiliary Facilities ............. ............III-32 III.D Utilities ................................................................................... ............................................III-34 III.D.1 Electric Power Supply ........................................... ...........................................III-34 III.D.2 Water Supply ......................................................... ...........................................III-35 III.D.3 Sewage Treatment ............................................... ............................................III-35 III.D.4 Telecommunication .............................................. ............................................III-35 IV. MINE SURFACE FACILITIES OPERATIONS PLAN .................................................................... N-1 IV.A General Description IV.B Mine Portal Facilities.. IV.B.1 IV.B.2 IV.B.3 • IV.B.4 IV.8.5 Mine Entries ................... Mine Service Buildings.. Rock Dust Bin ................ Explosive Storage ......... Surface Blasting Plan.... IV-1 ................ IV-2 ................ IV-3 ................ IVY ................ IVY ................ IV~t ................ IV-4 Mine Pennit Renewal #3, (Rev. 3/00)