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6. Maintenance <br />Haul roads will be inspected on a daily work basis at the New Horizon Mine. If, upon <br />inspection, it is determined that repairs are needed, appropriate repairs such as, but not limited to, <br />grading, filling of potholes, replacement of the road surfaces, revegetation of side slopes and <br />watering for dust control, will be conducted as necessary. Magnesium Chloride solution may be <br />utilized to control fugitive dust. The solution will have an approximate concentration of 30% <br />and will be applied at a rate of one-half gallon per square yard of surface area. The solution of <br />Magnesium Chloride will be applied by a commercial company specializing in this product and <br />will be dispensed from a truck with approximate 16 foot spray bars. One-two applications are <br />anticipated per year. <br />7. Restoration <br />Unless WFC requests retention of haul roads for post mining land use and the CDRMS approves <br />such request, immediately after the road is no longer needed for operations, reclamation, or <br />monitoring: <br />a. The road will be closed to vehicular traffic; <br />b. The natural -drainage patterns will be restored; <br />c. All culverts will be removed; <br />d. Roadbeds will be ripped, plowed and scarified; <br />e. Fill slopes will be rounded or reduced and shaped to conform the site to adjacent <br />terrain and to meet natural -drainage restoration standards; <br />f. Cut slopes will be shaped to blend with the natural contours; <br />g. Terraces will be constructed as necessary to prevent excessive erosion and to <br />provide long-term stability in cut -and -fill slopes; <br />h. The regraded area will be reclaimed in accordance with the approved reclamation <br />plan; <br />Unless otherwise authorized by the CDRMS, all road -surfacing materials will be <br />removed, hauled or conveyed and disposed under 4.11.4. <br />Page 2.05.3(3)-25 October 2015 (TR -69) <br />