2017-09-22_GENERAL DOCUMENTS - M1986015

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a. "a narrative that describes the approximate location of the proposed activity;" Imported construction waste material, to include aged concrete, will be placed in mined out areas and other areas now receiving processing fines. Imported construction waste will include clean excavated construction material, construction material not suitable as structural fill, other clean earthen materials and aged concrete. b. "the approximate volume of the inert material to be backfilled; We cannot provide an answer to this question. We will however, limit our acceptance to no more than 54,500 tons in any given year. (5 acres)(5ft. deep)(43,560ft/acre] equals approximately 40,333cubic yards 27 ft./cubic yard (40,333 cubic yards)(1.35 tons of soil/cubic yard) = 54,500 tons. We further estimate that approximately 4,000 cubic yards of aged concrete will be imported per year. C. "a signed affidavit certifying that the material is clean and inert, as defined in Rule 1.1.(20)." Please see the attached example material affidavit. d. "the approximate date the proposed activity will commence and end, however, such dates shall not be an enforceable condition; Importation of the above listed waste materials may begin any time after the notice approval date. Importation will continue for the life of the mining operation. The importation of the above listed waste materials will end prior to the end of site reclamation and the final grading process. e. "an explanation of how the backfilled site will result in a post-mining configuration that is compatible with the approved post-mining land use; and Importation of the above listed waste materials will aid in achieving the approved post mining topography and achieve a surface elevation at least 2 feet above the prevailing ground water level. f. "a general engineering plan stating how the material will be placed and stabilized in a manner to avoid unacceptable settling and voids. 2