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Section 6 <br />Sunday Mine <br />0 1. A grass-lined channel with a depth of 3.5 feet for the proposed Channel 1. <br />2. Increasing the height of the existing Basin 2, 3, 4, and 5 berms, where they are less <br />than 1.5-feet high, to 1.5 feet and connecting any breached areas along the berm to <br />contain the 100-year, 24-hour storm event. The existing berms should be extended <br />to enclose Basin 3 and 4. <br />3. 45 foot-wide, 150 foot-long, and 5.0 foot-deep catchment basin having 1.5:1 bank <br />slope is recommended at north end of Basin 6 to contain the 100-year, 24-hour <br />storm event. <br />4. 60 foot-wide, 400 foot-long, and 4.5 foot-deep catchment basin having 1.5:1 bank <br />slope is recommended at northeast end of Basin 7 to contain the 100-year, 24-hour <br />storm event. <br />A plan view of the catch basin and channels is included as Exhibit E-1 and details are <br />included in Exhibit E-2. <br />• <br />0 am 6-5 <br />0.164966 - Denison\Task Order 1- Sunday Mires Drelnege StudyWepoff W I Repoffinsl Sunday Mkea Drainage Repoh_052208.doe