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The mining schedule is planned to minimize disturbance by reclaiming areas as additional <br /> mining is undertaken. This anticipated mine life is only an estimate and is dependent on the <br /> demand. For example, if large contracts are awarded to the site, production could increase to <br /> the permit maximum, thereby curtailing the life of the pit. On the other hand, if contracts are less <br /> than anticipated, the life of the pit could be extended. This table is based on a reasonable <br /> projection of average production rates. <br /> 3. Mine Facilities and Operation <br /> The site will contain the following facilities, it is noted where applicable whether the facility is <br /> portable and whether it will have any fuel storage associated with it. A summary of equipment <br /> and related tanks is shown below. <br /> - A portable asphalt plant with associated tanks (permitted with Montrose County) <br /> - A concrete plant with associated tanks <br /> - Truck scales <br /> - Mine office <br /> - A portable crusher with associated tanks <br /> - Portable lights with a generator for emergency after hours maintenance support <br /> - Wash plant recycle pond <br /> - 5000-gallon fuel tank in secondary containment (110% of tank capacity) <br /> - Portable lights with a generator for emergency after hours maintenance support <br /> The following list is the best estimate as to the equipment which will be used onsite throughout <br /> the mine life: <br /> - 2-3 Front end loaders <br /> - 1 D-8 Bulldozer <br /> - 1 40G Motor grader <br /> - 1 4000-gallon water truck <br /> - off-highway road haul trucks (number will depend upon production needs) <br /> - 15 and 24 ton on-road haul trucks (number will depend upon production needs) <br /> All fuel tanks will have secondary containment. Some are double walled; others will be located <br /> within bermed or lined areas that have over 110% of the volume of the largest stored tank. All <br /> such tanks will be kept at the office area in the north. <br /> No night mining activity is scheduled for the operation; however portable lighting may be used <br /> within the pit from time to time. The portable lights will only be used at the bottom of the pit for <br /> Base Products Gravel Pit 2 <br /> April 2022 D-3 Lrwicki 81 Associates <br />