Laserfiche WebLink
90 01119 16:52 $ 303 985 9947 SRK DENVER 06 <br /> <br />• <br /> <br />13.4 discellaneous Costs <br />Miscellaneous costs which are different than the approved permit <br />include costs for collecting water samples and the cost of two <br />additional water trucks to control tailings dust until reclamation <br />is completed. <br />Assume quarterly sampling for all surface and ground water sampling <br />locations. A total of 10 ground water sampling locatians and six <br />surface water sampling locations will be monitored quarterly for five <br />years. Of these i6 sampling locations approximately 1 sites have <br />never had any measureable water for sampling (2 surface water sites <br />and 5 ground water sites) but are being included here. In addition, <br />fora period of two years after shutdown the flows from the drainage <br />collection system will be monitored monthly. <br />16 samples x 4 samples/year x 5 years x 5230/sample - f73,600 <br />1 sample x 12 samples/year x 2 years x 5230/sample - 55,520 <br />Total water Sample Costs - 519,120 <br />A total of 10 walls will need to be abandoned. <br />Average depth of the wells is 150 feet. <br />well diameter is 4 inches. <br />To backfill the wells will require a total of 20 yd3 of concrete. <br />Delivered concrete price is S55/yd3. <br />S55/yd3 x 20 yds3 - il,]00 <br />4 hours labor/well x 15/hour x 10 wells - 5200 <br />Total monitoring well abandonment costs - ^0 <br />' S <br />