Laserfiche WebLink
13.3 Tailings Disposal Area and Associated Facilities <br />Costs for reclamation of the redesigned tailings disposal a <br />are summarized below. These costs includes reclamation of the surface <br />of the tailings disposal area and diversion ditches used during <br />operations and construction of the spillway. Embankment reclamation <br />costs are not included since the embankment will constructed in its <br />final configuration and be reclaimed concurrently with embankment <br />construction. Riprap to be used for spillway and channel construction <br />will be obtained from the mine site and hauled to this area during <br />the first two years of operation. <br />Tailings Site. Diversion Ditches and Spiltwav Topsoil Replacement <br />Topsoil placement and regrading at 51,703/acre <br />192 acres x 51,703/acre 5326,976 <br />Rearade Diversion Ditches and Remove Culvert <br />~ 9 acres of disturbance <br />54,776/acre for regrading <br />54,776/acre x 9 acres 542,984 <br />Culvert length of approximately 400 feet. <br />400 feet x 513.20/lineal foot 55,280 <br />Spillway Construction Costs <br />Excavation: D7 dozer @ 290/hr x 3 hrs/acre x 7 ac. = 51,890 <br />Concrete: 200 yd3 x 255/yd3 delivered = 211,000 <br />Labor: 7 yd3/truck/200 yd3 = 29 trucks <br />2 hrs/truck x 29 trucks x 4 people x 55/hr = 51,160 <br />l-3 <br />