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Mr. Janes <br />Page I2 <br />October 19, 2011 <br />2. Please explain why Exhibit C -3 does not show the conveyor system crossing over Weld <br />County Road 28. <br />6.4.4 Exhibit D — Mining Plan <br />3. Please provide the Division with plan for inspecting the portion of the conveyor route which <br />crosses over Weld County Road 28. The plan should detail the visual observations to be <br />made during the inspections as well as the frequency of the inspections. <br />4. Please describe the measures to be taken to prevent material from overtopping the conveyor <br />system and falling onto Weld County Road 28. <br />5. The Amendment Application states that 1,413 ft. of the conveyor system lies within the <br />permit boundary of the Heintzelman site. Please clarify if this includes the length of the <br />conveyor system which lies within the original permit boundary for the Heintzelman site or <br />just within the amended permit boundary.. <br />6. The Applicant provided an estimate for dismantling the conveyor system which includes a <br />cost for removal of oil tank crossing trusses and stands. Exhibit C -3 does not depict the <br />conveyor system crossing over any oil tanks. Please clarify if the conveyor system will cross <br />over oil tanks. If the conveyor system will cross over oil tanks, then the Applicant will need <br />to submit a detailed design drawing of the oil tank crossing. In addition, Exhibit C -3 will <br />need to be revised to show the oil tank crossing. Also, include copies of any agreements the <br />Operator has with the owner(s) of the oil /gas facilities. <br />6.4.12 Exhibit L — Reclamation Costs <br />7. The Applicant has provided a cost estimate for dismantling the portion of the conveyor <br />within the amended area of the Heintzelman site. Please note that the original financial <br />warranty estimate for the Heintzelman site did not included a cost for dismantling the <br />proposed conveyor system. Therefore, the Applicant will need to revise the cost estimate to <br />include dismantling the entire length of the conveyor system within the Heintzelman site. <br />8. The Applicant has proposed including the cost to remove the conveyor system within the <br />Kurtz site (M -1999 -006) under the financial warranty for the Heintzelman site. The Division <br />is unable to include the reclamation costs associated with the Kurtz site under the financial <br />warranty for the Heintzelman site. The cost to reclaim the conveyor system will have to be <br />divided between the sites. The Division will send notice of the financial warranty increase for <br />the Kurtz site under separate cover. <br />9. Please provide the Division with the total volume of concrete which will need to be used to <br />construct the concrete pads and other foundations. <br />