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Section 4 <br />St. Jude Mine <br />1. A grass-lined channel with depths of 3 and 2.5 feet for the proposed Channels 1 <br />and 2, respectively. <br />2. Increasing the height of the existing Basin 3 berm, where it is less than 1.5-feet <br />high, to 1.5 feet and connecting any breached areas along the berm. <br />3. 40 foot-wide, 150 foot-long, and 4.0 foot-deep catchment basin having 15:1 bank <br />slope is recommended at north end of Basin 4 to contain the 100-year, 24-hour <br />storm event. In addition, the existing berm should be extended to enclose Basin 4. <br />4. 30 foot-wide, 100 foot-long, and 4.0 foot-deep catchment basin having 1.5:1 bank <br />slope is recommended at northeast end of Basin 5 to contain the 100-year, 24-hour <br />storm event. In addition, the existing berm should be extended to enclose Basin 5. <br />A plan view of the catch basin and channels is included as Exhibit C-1 and details are <br />included in Exhibit C-2. <br />• <br /> <br />4-5 <br />OWNS- DeninonWask Orden -Sunday Mines Drainage Study%Repottfinal Raporffinal Sunday Mines Drainage Report 052205.doc