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• Future coal refuse placement and stockpile construction will be conducted <br />utilizing the same methods recommended by RMG and utilized in the past <br />with the excepticn of a reduction in lift thickness frem three (3i feet <br />to two (2) feet and layered placement of coarse and fine refw e: <br />o Extend existing stockpile collection ditches <br />o Remo~~P *^^scil ,~' vegetation materials from expansion foundation <br />areas <br />o Extend existing rock subdrains <br />o Place and compact refuse material according to design <br />o Grade tap surface and side slopes to provide effective drainage <br />o Replace and grade topsoil <br />o Revegetate topsoiled areas <br />Detailed descriptions of the Southfield coal processing waste facility <br />can be found in Section 2.05.3, Operation Plan - Permit Area, 2.05.4, <br />Reclamation Plan, Exhibit 18, Geotechnical Investigations, and Exhibit <br />15. Minor and Technical Revisions. <br />• Coal mine waste material, as unsold clean coal, unprocessed raw coal, <br />and coal fines in and adjacent to the Coal stockpile footprint areas. <br />will be disposed of during reclamation of the mine facilities area. The <br />remaining coal mine waste material will be placed in the existing refuse <br />stockpile. in the area in front of the portals, and in the Pond 1 basin <br />area. The material will then be effectively covered by backfilling and <br />grading operations with a minimum of four feet of suitable material. <br /> <br />4.10-28 Revised 3/18/02 <br />Minor Revision No. 42 <br />