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<br />III IIIIIIIIIIIIIIII <br />999 <br />Mountain Coal Company <br />West Elk Mine <br />Post Office Box 591 <br />Somerset, Colorado 81434 <br />Telephone 970 929-5015 <br />Fax 970 929-5595 <br />RECEIVED <br />RUG 131991 <br /> <br />August 12, 1997 <br />~ Mr. Michael P. Boulay <br />Dr. Jim Pendleton <br />Colorado Division of Minerals & Geology <br />Office of Mined Land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />pivision of Minerals 8 Geology <br />Re: Geotechnical Report -Sylvester Gulch Site Development <br />Ref: Permit Revision 07 and Technical Revision 79 to Permit No. C-80-007, <br />West Elk Mine <br />Dear Mr. Boulay and Dr. Pendleton: <br />The following presents Mountain Coal Company's (MCC) current summary of geotechnical <br />issues for the Sylvester Gulch Site Development Project, provides a general construction <br />summary, and presents our current schedule of critical activities. The following information <br />covers the time period from August 04, 1997 -August 11, 1997. <br />General Construction Summary and Schedule <br />Excavation of Phase 1C and Phase 1D of the RPE and creation of structural fill via screening <br />operations continues. Construction of the Pond SG-1 embankments, filling of the shaft bench <br />areas, and installation of the 54" Clearwater diversion (CCW-1B) are in progress. Excavation of <br />the north slope of the shaft sites for final alignment of the Main Access Road from Station 85 to <br />end has begun. Excavation of the Electric Borehole Road continues. MSE wall F-1 and F-2 <br />construction began on Monday, August 4. Approximately six lifts (10' total depth) were <br />completed, with the total height of the walls approximately 3' above the multiplate culvert. Brush <br />clearing and pad construction for the transmission line began. Heavy rains occurred at the site <br />Monday night, Tuesday, Tuesday night, and again on Sunday. No work was performed Tuesday. <br />