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seeded to prevent erosion. While pre-mine stripping is occurring, all existing buildings, except <br /> for the oil wells and their related structures, will be demolished. All debris will be removed from <br /> the site. Sand and gravel will be extracted using loaders, excavators, dozers, and trucks. <br /> Excavated material will be conveyed to the center of the site for processing. Processing of <br /> material will include screening, washing, crushing, and the production of concrete and asphalt. <br /> No blasting will take place at the Ewing Gravel Pit. No refuse, acid, or toxic producing material <br /> are expected to be encountered in this operation. If these materials are encountered, at least <br /> two feet of inert material will be placed over the area and mining will move to a different area. <br /> 2. Mining Timetable <br /> Mining operations at the Ewing Gravel Pit are expected to take approximately 10.5 years to <br /> complete, based on an annual average production of 700,000 tons. Actual production rates will <br /> fluctuate based on market conditions. An approximate mining timetable based on this <br /> production and the phased mining plan is shown in Table D-1. <br /> Table D-1 Mining Timetable <br /> Description Time Required <br /> Construction of access road and slurry wall. 2 months <br /> Initial stripping of processing area and Pod 1 1 month <br /> west portion on lower terrace <br /> Mine and reclaim Pod 1 according to approved 4 years <br /> plans.Reclamation occurs as mining has <br /> reached its maximum extents in an area. <br /> Initial stripping of new mining area for Pod 2 1 month <br /> center portion on lower terrace <br /> Mine and reclaim Pod 2 according to approved 2 years <br /> plans.Reclamation occurs as mining has <br /> reached its maximum extents in an area <br /> Initial stripping of new mining area for Pod 3 1 month <br /> east portion on upper terrace <br /> Mine and reclaim Pod 3 according to approved 4 years <br /> plans.Reclamation occurs as mining has <br /> reached its maximum extents in an area. <br /> Total 10.5 years <br /> 3. Mine Facilities and Operation <br /> The site will contain the following facilities and equipment: <br /> Facilities: <br /> - Portable hot mix asphalt (HMA) plant <br /> - Concrete batch plant <br /> - Portable wash plant <br /> - Portable crushing & screening unit <br /> Ewing Gravel Pit <br /> August 2023 D-2 Lewicki&Associates <br />