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• 2.05.3(4)(b) <br />(b) The sediment level in the ponds will be monitored on a <br />quarterly basis and noted on the quarterly pond inspection reports <br />required under Rule 4.05.6(10). The sediment level will be <br />measured by determining the depth to actual sediment level measured <br />down from the invert of the dewatering device, (S). This <br />measurement will be compared to the design sediment depth of the <br />pond measured from the bottom of the pond to the invert of the <br />dewatering device, (D). The calculation of (D-S)*(100)/(D) gives <br />the percent of sediment accumulation. Sediment removal will occur <br />when the sediment level in the pond reaches 508. <br />The requirements of Rule 4.05.6(8)(a)-(d) are simply good <br />construction practices that will be follow by the applicant during <br />pond construction. The upstream and downstream side slopes of the <br />embankments of ponds A, B, D and E are Sh:ly and 2h:ly <br />respectively. The upstream and downstream side slopes of the <br />embankment of pond F is 5h:ly and 4h:ly respectively. The design <br />top width of all of the embankments is 10 feet. <br />• <br /> <br />2.05-8i July 1992 <br />