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(c) Water Diversions and Impoundments <br /> No surface water diversions are planned for the site. Groundwater shall be <br /> diverted by pumping from dewatering trenches to a temporary settling pond <br /> impoundment either within or adjacent to the excavation. <br /> (d) The Size of Areas to be Worked at Any One Time <br /> The largest mining cell is approximately 21 acres, which corresponds to the size <br /> of the area to be worked at any one time. Mining will generally advance by <br /> removing overburden from 2-3 acres ahead of the active pit run extraction area. <br /> (e) Mining Timetable <br /> Table 6.4.4-2 Mining Timetable Summary provides a summary of the mining <br /> sequence and approximate time to complete. It should be noted that the <br /> prediction of time to complete each mining cell is based on current market <br /> conditions. Should market conditions change, the timetable will change <br /> accordingly. <br /> The mining will occur in the numeric order of the mining Cells. <br /> Phasing will be as follows: <br /> Phase I, Mining and reclamation of Cells 1 & 2. Phase II, Mining and reclamation <br /> of Cells 3, 4, 5 & 6 <br /> Table 6.4.4-2 Mining Timetable Summary <br /> Mining Cell Mining Activity Approximate Time <br /> to Complete <br /> Cell 1 Strip & Mine 2.0 <br /> Cell 2 Strip & Mine 2.0 <br /> Cell 3 Strip & Mine 2.0 <br /> Cell 4 Strip & Mine 1.0 <br /> Cell 5 Strip & Mine 1.5 <br /> Cell 6 Strip & Mine 2.0 <br /> (f) The Nature of Deposit to be Mined and Overburden <br /> The thickness of sand and gravel to be mined varies from 5-21 ft. The thickness <br /> of overburden varies from 1.5-7.5 ft. The stratum underneath the sand and gravel <br /> deposit is weathered claystone followed by indurated claystone. <br /> Amen Aggregate Resource <br /> Specific Exhibits <br /> Page 9 of 84 <br />