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<br />FOURTH QUARTER 1998 <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 area. The new area is locatcd to the west of the facilities area, and will be <br />(mown 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 construcrion 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 />XB~w <br />Professioir,~l ~Eriginee~ Nod] 4726 <br />~~.,~ <br />