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Minin¢ Plan Exhibit C (revised) <br />will be sold. The material excavated from this site will not be processed. No major stock piles of <br />excavated construction material will be needed on site because the material will be excavated on <br />an as needed basis. Mining activity will vary from month to month depending on the amount of <br />material needed. <br />The estimated start date, based on approval of all necessary permits, is October, 2006. The <br />estimated finish date, based on current and future operations projections, is October, 2021. The <br />mine will operate year round with periods of inactivity when adverse weather conditions exist. <br />There may be periods when no activity takes place on the mine because there is no demand for <br />material. No estimate is available for how long these periods of inactivity will be, but may last 6 <br />months or more. <br />Mining will be done by using a dozer to push material down the mine face into piles. It will then <br />be loaded into dump trucks by a front end loader. On site equipment may include, but is not <br />limited to, a motor grader, front end loader, motor scrapers, a dozer, dump trucks, a water truck <br />and a track hoe. <br />The operations on this site will not require water, excepting dust control. Dalbo Services, Inc. <br />has been contracted by Chevron to provide dust control. Approximately 260 barrels (bbl) per <br />day will be needed to control dust during regulaz facility operation. Dalbo controls the water <br />lease contracts pertaining to this site and other activities in the area. <br />This site has been designed to protect surface waters and groundwater. A diversion ditch will be <br />installed up gradient of the proposed mining activities to divert surface run-on during a storm <br />event. A temporary water impoundment, measuring approximately 30 feet by 30 feet, will be <br />installed down gradient of the activity azea to divert surface run-off from leaving the site. Per the <br />request of the Division of Water Resources, water will be released to the stream within 72 hours <br />of impoundment. Upon reclamation of the site, a second diversion ditch will be placed along the <br />base of the high wall to prevent water from running on to the flat pad surface. The access road <br />bordering the west boundary of the site has a bar ditch in place to divert surface run-on and run- <br />off. This site will be managed according to the Stormwater Management Plan that has been <br />created specifically for this site. <br />NORTH CLEAR CREEK CONSTR[i CIION MATERt At G 1VSINE CORDILLERAN COMRLIANCE SERVICES, INC <br />E05574 PAGE 11 GRAND JLRVCTION, COLORADO <br />