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<br />-18- <br />will develop in the fill. If a perched water table develops, it <br />is most likely to be near the interface of the fill with the nat- <br />ural soils and rock. However, for the purposes of analysis, we <br />assumed various high phreatic surfaces to determine the performance <br />of the fill if it were to become saturated. In our opinion, these <br />conditions are not likely. To preclude this condition from de- <br />veloping, we have recommended installation of diversion ditches <br />around the fill to divert surface water away from the fill and in- <br />clusion of drains within the fill in the pre-existing natural _drai,zl- <br />__~--- - <br />ages to intercept any water which might seep into the fill or seep <br />through the fill through natural processes. <br />• <br />Configuration <br />Configuration of the fill is controlled by several items. <br />Energy Fuels will develop about 11 to 13 million bank cubic yards <br />of excess spoil. This excess spoil will come at the early stages <br />of development of the Eckman Park Mine, as the initial box cuts <br />are made. When selecting the configuration of the proposed spoil <br />disposal areas we considered natural topography and artificial <br />constraints imposed by the planned mining operation. In area I <br />there is a natural bowl formed by ridges on three sides. The min- <br />ing plan anticipates construction of a haul road on a ridge which <br />forms the northern boundary of Area I. A haul road currently exists <br />at the west boundary of Area I. The bowl shape of Area I will <br />• force any likely failures to occur in the east-west direction. <br />