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ASPHALT <br /> SPECIALTIES CO. <br /> Turnpike Mining Resource-Permit No. M-2004-009 November 25,2019 <br /> Technical Revision No. 6(TR-06) Page 3 <br /> backfilled. The Plumb and Dailey Ditch Company will then reconstruct the ditch with a concrete <br /> lining. The concrete lining will provide hydraulic isolation of the Plumb and Dailey Ditch from the <br /> local water table and prevent future dewatering operations from affecting ditch flow. Therefore, the <br /> previously approved hydraulic barrier trench will no longer be constructed by ASCI prior to mining <br /> Cells 4 and 5 in the future. <br /> (d) Size of Area to be Worked on at Any One Time <br /> The approximate 1,400-foot x 220-foot area along the Plumb and Dailey Ditch will be worked on <br /> during the 2019-2020 non-irrigation season. The total horizontal extent of the area to be worked on <br /> is approximately 308,000 square feet(i.e., 7.1-acres). <br /> (e) Approximate Mining Timetable <br /> Current mining activities in Cell 3 will temporarily cease during this period to mine and backfill the <br /> Plumb and Dailey Ditch area. It is anticipated that mining and backfill activities for the Plumb and <br /> Dailey Ditch area will be completed by the end of 2019 to early-2020. Once activities along the <br /> Plumb & Dailey Ditch are complete, ASCI will return to mining operations in Cell 3. ASCI will <br /> complete the mining of Cell 3 prior to returning to Cell 4. A revised mining timetable is provided <br /> below as Table 6.4.4-1. However, as aggregate mining and processing is entirely dependent on <br /> market conditions, the mining timetable is only an estimated schedule. <br /> Table 6.4.4-1: Mining Timetable <br /> Mining Cell Size of Mining Cell Approximate Time Until Complete <br /> Cell 2A 22 acres 5 -6 Years(Majority of Cell Mined) <br /> Cell 2B 29 acres Complete <br /> Cell 2C 10.5 acres 5 -6 Years(Majority of Cell Mined) <br /> Portions of Cells 4 and 5 along 7.1 acres 2-3 Months <br /> Plumb and Dailey Ditch (Portions of Cell 4 and Cell 5) <br /> Cell 3 20 acres 1 year(Partially Mined) <br /> Cell 4 13 acres(9.45 acres remaining) 2-3 Years <br /> Cell 5 9 acres(5.45 acres remaining) 3 -4 Years <br /> Cell 6 1.5 acres 4-5 Years <br /> Total 105 acres 5-6 Years <br /> Note: <br /> Cell 1 (85 acres)has been released from the permit as the Erie Water Treatment Facility. <br />