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Table E-1 Reclamation Timetable <br />• <br />Task # Description Time <br /> Needed <br /> Months <br />1 Open Mine and create mine waste disposal areas prior to initial 36.0 <br /> reclamation <br />2 Strip topsoil from expanding east portions of waste embankment 84.0 <br /> to reclaim west portions. <br />3 This task is the start of the final reclamation process. Place 18.0 <br /> bulkhead seal in the lower portion of Whirlwind decline and <br /> monitor water pool Also, seal off other areas of ground water <br /> inflow <br />4 Pump sludge from the Treated Water Settling Tank into upper 1.0 <br /> portion of decline using existing waterline. Add cement at pump <br /> to stablilize sludge. Excavate ore pad liner and cover material <br /> and lace in the u er ortion of the decline. <br />5 Remove fans and concrete foundations at all ventilation portals 0.50 <br /> and seal shafts. Remove or cut power cable at power drops and <br /> seal cased holes. Replace topsoil and seed/mulch associated pad <br /> areas. <br />6 Dismantle and remove shop, warehouse, tanks, water treatment 2.0 <br /> plant and tanks, fence, other site structures at Whirlwind and <br /> bins, retaining wall, shop door, and supply storage area at <br /> Packrat. <br />7 Remove foundations at Whirlwind portal and Packrat portal. 0.20 <br />8 Install bat gate at Packrat and seal off shop area with blocks. 0.15 <br />9 Conduct backfilling and grading at the 2 portal areas, waste 0.50 <br /> embankment and mine benches. <br />10 Use MSHA berm on the Packrat Road to re-topsoil the Packrat 0.20 <br /> ortal area. <br />11 Re-seed and mulch the Packrat portal area. 0.10 <br />12 Use hydraulic excavator to conduct partial backfilling and 0.50 <br /> radin of Packrat road. <br />13 Seed and mulch Packrat road and block access. 0.10 <br />14 Rip compacted areas of Whirlwind prior to topsoil replacement 0.10 <br />15 Replace topsoil on remaining areas of Whirlwind mine. 0.40 <br />16 Harrow topsoil at Whirlwind mine 0.10 <br />17 Seed and mulch Whirlwind area and block access. 0.10 <br />18 Backfill Sediment Pond* and Collection Ditches 0.05 <br /> Total months 144 <br /> Total years 12.0 <br />• * Note: The sediment pond will be reclaimed after the reclaimed areas support adequate vegetation. <br />Whirlwind Mine 07 (rev. April 08) E-3 <br />