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i <br /> 6.2.4 Basin 7 <br /> 1 Basin 7 is a small 15 acre drainage that flows into the southeast <br /> corner of the pit. The flow collects in a small catchment basin on the <br /> rim of the pit. The pond volume is small and has little effect on the <br /> overall flood. Currently the water flows through the spillway and has <br /> ' eroded a channel 2 to 3 feet deep. The peak flow is 18 cfs. Channel D <br /> will be constructed in the same location as the existing eroded area. <br /> Minor pond and spillway improvements will be made to direct the runoff <br /> ' into Channel D. <br /> 6.2.5 Subbasins A,B, and C <br /> With the flow from Basin 6 diverted away from the northeast corner of <br /> Ithe pit, the remaining drainage basin and channel requirements are <br /> minimal . Subbasins A,B, and C as shown on Figure 6.3 represent the <br /> ' remaining areas that flow into the northeast corner of the pit. Channels <br /> A,B, and C will be constructed in the same locations where significant <br /> erosion has occurred in the past. The northeast area of the pit will be <br /> regraded to flow towards the channels. Channel A and B combine to flow <br /> into Channel C. Channel C has a separate drainage area in addition to <br /> conveying the peak flows of Channels A,B and D. The peak flows for <br /> Channels A,B and C are 3 cfs, 2 cfs and 38 cfs, respectively. <br /> ' 6.2.6 Basins 4,5 and 9 <br /> ' These basins currently flow into several catchment basins. This area <br /> has previously been released by MLRD and is not considered in this report. <br /> -18- <br />