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<br />o Throughout the construction efforts of 1980-1982, flat lying ground for <br />~~ construction laydown and staging was at a premium. A potential project <br />designed to reduce this problem in future development efforts is that of <br />clearing and leveling the semi-works area at the base of the mine bench <br />face. This project requires the dismantling of the semi-works retort <br />and ancillary facilities, to be followed by some regrading activity. <br />Specifications for this work are currently in preparation, and a <br />decision whether or when to proceed will be made after cost estimates <br />are developed. <br />o The second phase of the plantsite grading represents another major <br />earthwork project in the development plan. The plan described in the <br />• original MLRD Permit Application calls for approximately 120 acres of <br />essentially flat plantsite. To accomplish this, making use of only the <br />material which can be produced at the plantsite would require that <br />approximately 600,000 cubic yards of rock be drilled, blasted, hauled <br />and compacted, resulting in a balanced cut and fill within the plant- <br />site. Prior to developing specifications for this project, an <br />engineering study will be undertaken to develop the most economical <br />mass balance of earthwork remaining on the project which will indicate <br />rhether such a balance within the plantsite is optimum compared to other <br />possible approaches. This analysis will also incorporate any revisions <br />in plantsite layout and grading requirements which may result from on- <br />going research in materials handling and retort design. <br />• D-6 <br />