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<br />October 2000 <br />3.23 EngineeringData <br />-36- <br />003-2191 <br />The engineering design and operations report for the site includes the engineering data <br />necessary for the design and operations plan for the depository. The plan to construct <br />the Sedalia facility has been set forth below. <br />~_~ <br /> <br />(1) The type, quantity and location of material that will be used as cover material <br />has been chazacterized by the drilling information in Appendix 1 B, the soils <br />report in Appendix 2 and Appendix 10, and the information from the general <br />permit information. The site contains an estimated one to two million yards of <br />clay and clay materials that are available for use at the site for liner and sealing <br />materials. This deemed is more than enough to construct the 3 foot clay liner <br />and the 1.5 feet of clay in the cover. Secondly, the neaz surface soils have been <br />characterized in Appendix 2 and 10 and demonstrate that these soils are suitable <br />for frost protection layer in the final cover materials. The intermediate materials <br />at the site between the surface and the lower elevation of the cells will provide <br />up to 3 million yards of dirt and earth materials for intermediate, daily, and <br />weekly cover. During excavation of the cell material, commercial clay will be <br />extracted and removed from the site if not use on site for the construction of <br />Liners and final cover. <br />(2) Liner material will consist of the same type material as discussed in item (1) <br />above. The clay from the site has and is used commercially in the manufacturer <br />of brick. Its properties are well suited for recompaction as a clay liner or final <br />cover. The results in Appendix 14 indicate that its permeability is less than the <br />required 1 x 10-' cm/sec. There aze ample volumes on the site to complete all of <br />the construction and closure of the site. Compaction density and moisture of the <br />clays will be demonstrated via the QA/QC program both prior to and upon <br />installation of clay liners. It should be noted that the operator may at his <br />election use a GCL as described in the Appendices. Moisture content <br />voorzieirzi9is~d,r,r~~,,,~iiooo a~ Sedalia Recycling Center and Depository <br />