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~ ' ~1~4 ~ F <br />BOCSY MD4NTAIN <br />t88TE&ISLS & ASPADLT 1NC. <br />.1910 Rand Avenue <br />Colorado Springs, CO 80906 <br />Exhibit D-Mining Plan <br />~"Xhj ~~ <br />This site is an existing mine that has been used by the El Paso County Depaztment of Transportation <br />for several years. Access roads have already been established to the site. Stdppings and overburden <br />piles have been established as well. Mining practices will continue as follows: <br />1. Mining Methods <br />A. Strip and stodcpIle overburden from working area using self-loading scrapers <br />and/or a loader and dozer. We will utilize a portion of the overburden material as a <br />berm azound the site. <br />B. Setup plant consisting of screening equipment, washing equipment,. scales, and <br />office unit. <br />C. Excavate gravel from wotlcittg face and tram to the processing plant using loaders <br />and trucks. <br />D. Strip additional areas to be mined, placing topsoil and overburden on completed <br />. areas of site. <br />E. In the faII of each year, prepare areas for seeding where mining is completed (level, <br />scazify for seedbed, fertilize & seed asset forth in the reclamation plan). <br />F. Continue alternate mining and reclamation through the process of awning. <br />2. Water Diversions and Impoundments: There aze no water diversions planned for this site. <br />Water impoundments will be constructed in order to store water used to wash sand and gravel <br />that is extracted $om.the site. These impoundments will be used to.contain stotmwater that <br />comes in contact with the site. We will also use berms around the mining area to ensure that <br />stonnwater does not leave the site. <br />3. The Size of Atea to be Worked at Any Time: This site will have a maximum disturbance of <br />50 acres a[ any-given time. This disturbance will be kept down to whatever is necessary for the <br />plant site, ponds, stockpiles, and up to 6 months of concurrent muting and reclamation to take <br />place. <br />4. Timetable fox the Operation: The life of this operation will depend on the demands of the <br />construction industry in the El Paso County area. Production at.the mine is expected to be as <br />high as 4000 tons/day at peak demand periods. Although demands maybe high at times, it is <br />hard to predict what the actual life of the mine will be due to continual changes in the <br />constmction industry. The life of the none may exceed 30 years. <br />5. .Nature of the Gravel Deposit: The deposit is mostly sand with varying amounts of small <br />sized rock scattered throughout. Mining will be accomplished by removing a ridge drat runs <br />north andsouth throughout the property: <br />The mining at this facility should continue the same way that it has been done in the past. The only <br />changes will be the addition of some washing equipment and water impoundments to be used in dze <br />washing process. <br />473-3100 • Faz 473-3108 <br />