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-iii iiiiiii~~iiu iii <br />sss <br />2.05.3(8) Coal ProceaeinR Waste And Non-Coal Processing Waste <br />;~:~`%~ <br />Coal processing waste as defined under Section 1.04 C24> is <br />generated at the Raion Creek Mine Yine Complex. The coal processing <br />waste <"refuse") consists of rock, carbonaceous material, and <br />other high density impurities which are separated from the clean <br />coal product by gravity sepazation methods at the preparation <br />plant shown oa Yap 13, Surface Facilities. The refuse material <br />ie disposed of at the refuse disposal azea located in the north- <br />west portion of the surface facility area as shown on Map 12, <br />Yine Site Water Systems and Refuse Area. <br />To date, approzimately 165,000 cubic yards of refuse material has <br />been disposed of at the Bite. Based upon the projected reserve <br />base at the Ratnn Creek Mine Complex of 2, 800, 000 raw tone and <br />as expected clean coal yield of 67 percent, 933,000 tone of <br />refuse will be generated during the remainder of the Ru1nn Creek Mine <br />life. The average reiuae placement density is expected to <br />~~-', be 96.4 pounds per cubic loot, resulting in an additional volume <br />of 720,000 cubic yards. Including the reiuae disposed of to <br />date, the overall reiuae disposal volume will be approximately <br />885,000 cubic yards. ' <br />The design volume of the refuse disposal site as shown on Yap 12, <br />Yine Site Water Systems and Reluee Area and Disturbed Area, Crone <br />Sections Al-A1' through J-J' contained in Ezhibit D is 1,337,600 <br />cubic yards, providing plenty of ezeess capacity for additional <br />reserves ii sound, higher reject !actors than projected and/or <br />diapoeal of sediment collected in the drainage control system. <br />The surface area at design capacity ie 18.58 acres. The embank- <br />ment will have a mazimum height of 145 feet and overall aide <br />slopes of 3 horizontal to 1 vertical. The original Starkville <br />Culch drainage channel forma the base of the reiuae disposal area <br />and the highwall located to the north is the upper limit of <br />reiuae disposal. Refer to Yap 12, Yiae Site water Systems and <br />~'~ <br />:w,._ <br />461 <br />Revised 5/93 ,i <br />