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~- <br />INC. <br />THIItD QUARTER 1999 <br />ENGINEERING INSPECTION <br />EAST YARD AND WEST VALLEY FILL <br />GOB DISPOSAL PILES <br />An application for a Technical Revision was submitted to the Division for a new coal refuse and <br />mine development waste azea The new azea is located to the west of the facilities azea, and will be <br />known as the West Valley Fill. Technical Revision Number 29 was approved in 1997, but due to the <br />timing of the approval, and the necessary requirements to put a contract in place for the work, <br />construction of the West Valley Fill did not begin until 1998. Kiewit Western Company was <br />awarded the contract, and constnucton was started during the second quarter of 1998. Photographs <br />of the underdrain were taken, and are on file at the mine. Final preparation of the waste area was <br />completed during the third quarter of 1998. I monitored construction of the new waste area on a <br />daily basis, and inspected the area during the critical construction periods specified by Rule <br />4.09.1(11). To date, no waste material has been placed in the West Valley Fill. <br />;~ <br />Thomas:C.`~Pgrderson` ~,'f ~ ''' ate <br />} ~:;.: <br />('nlnr~ n.Rsv`~iLfarari <br />2 <br />3 7 3 7 Hwy 1 3 3 P O B o z 5 3 5 Somerset C o l o r a d o 8 7 4 3 4 U S A <br />TEL (9 7 0) 9 2 9- 5 1 2 2 FAX (9 7 0 ) 9 2 9- 5 1 7 7 <br />