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<br /> <br /> <br />Diversion Ditch No. 1 <br />(Reclaimed Case) <br />Beginning Elevation - Ditch <br />Ending Elevation - Ditch <br />Length - Ditch <br />Average Slope - Ditch <br />Drainage Area Basin <br />Maximum Elevation -Basin <br />Minimum Elevation - Basin <br />Hydraulic Length -Basin <br />Average Slope - Basin <br />Rainfall - 100 yr 24 hr event <br />Peak Flow <br />- 7,095' <br />- 7,036' <br />- 1,720' <br />- 4.1% <br />- 1,267 Acres, 55,209,805 ft.2 <br />- 8,600' <br />- 6,995' <br />- 17,885' <br />- 31% <br />- 3.5 inches <br />- 927 cfs <br />Reclaimed case shows peak flow approximately 6% greater than case during <br />mining. Given the design freeboard of the 1.0 feet ditch 1 as designed <br />will pass the peak flow from a 100-year, 24-hour event after reclamation <br />is complete. <br /> <br />-8- <br />