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the town of Alma. This approval will be supplied to DRMS prior to any placement of the plant on site. <br />The sand and gravel mining area is also shown on Map C -2. The mining of these old piles followed by <br />regrading will greatly improve the appearance of the site. The following operation parameters are <br />forecast: <br />- 12 month per year crushing, screening and washing operation. <br />- active operation will be maximum 6 days per week, 12 hours per day. <br />- move an average of 300 tons (200 cy) per hour through the plants while they are running. <br />- process a maximum of 1800 cy per day of gravel through the plants. <br />- process and sell an average of 130,000 tons per year from the site of all product materials although a <br />maximum allowed will be 290,000 cy per year. <br />- strip an average of 4" of topsoil on virgin areas (although they are virtually non - existent in the gravel <br />mine area) and either directly respread on previously mined and regraded areas or place in a stockpile <br />for use in reclamation. <br />- use a combination of 10 yard and 24 yard trucks to haul the gravel products off site. <br />- use settling ponds in the plant area to trap sediment which will then be stockpiled and used to reclaim <br />pre -law areas where no topsoil was ever salvaged. Fines stockpile locations are shown on Map C -2. <br />- allow for a portable asphalt plant to be located on the site for certain job projects, with town of Alma <br />permission. The plant would only be present for 4 -6 weeks for the job and would then be trans- ported <br />off site. <br />- allow for a portable concrete plant to be located on site to satisfy specific jobs. The plant would never <br />be permanently located on site. The concrete and asphalt plants would be located away from the town <br />in areas that minimize dust, noise, odor and visual impacts. <br />- install a permanent office /shop building that would be converted to commercial use after the gravel <br />pit is reclaimed. <br />- water all roads or use magnesium chloride applications on an as needed basis to keep dust down <br />- obtain water for the plants from Ponds 3 and 4 using a pump and 8" water line directly to the previous <br />110 permit area and then to the new mine area. <br />- use a takeoff from the Columbia Ditch as an alternate point to obtain water when needed. See Map C- <br />2 for this location, which has been in use for many years. <br />Alma Place Mine 01/15 28 <br />