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MORRISON-KNUDSEN COMPANY,INC. <br /> SECTION 1 <br />�'• REFUSE DISPOSAL <br /> 1 .1 SUMMARY <br /> A preliminary study of the long range plan for disposal of refuse <br /> from the coal washing plant was performed for Mid-Continent Coal and <br /> Coke Company near Redstone, Colorado under Morrison-Knudsen Company, Inc. , <br /> Work Order Number 1097-01 . This report contains. the findings of the study. <br /> At present, refuse from Mid-Continent's coal washing plant is deposi- <br /> ted in an area adjacent to the plant. Alternate locations for the long <br /> range refuse disposal site were examined. Two sites, one across the ridge <br /> between Dutch and Bear Creek and the other located on the drainage of Bear <br /> Creek, were found to have the needed capacity of approximately 8-10 mil- <br /> lion tons. The first of these alternatives, located across the ridge be- <br /> tween Dutch and Bear Creeks, is preferable for refuse disposal because it <br /> is located nearer to the wash plant and presents a minimum of problems- <br /> with water control . The second alternative site extends across Bear Creek <br /> and would necessitate a diversion facility of Bear Creek approximately <br /> 16,000 feet in length. In addition, this second site is located farther <br /> from the wash plant requiring a longer transporatation distance. <br /> As a part of the scope of work, the stability of the present and the <br /> proposed refuse piles was examined using physical properties available from <br /> the literature and assumptions based upon field observation. Based upon <br /> this preliminary evaluation; and to be later verified by specific materials <br /> analyses, M-K felt that the present refuse pile had an adequate factor of <br />( safety within its current configuration. Evaluation of the proposed re- <br /> l. <br />