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22 <br /> • Remediate bare soils or erosive gullies. <br /> o In perimeter areas, regrade the soil to remove the gully, plant a ground <br /> cover and water until it is established. If soil test shows that the pH has <br /> dropped, dolomitic lime shall be applied as recommended. <br /> o Within the pretreatment area, provide erosion control devices such as <br /> reinforced turf matting or riprap to avoid future problems with erosion. <br /> Structural integrity <br /> • Replace or repair any cracked, separated or damaged inlet pipes, outfalls, <br /> impoundment walls or other structural elements. <br /> • If dam embankment or emergency spillway needs maintenance, consult with a <br /> professional. <br /> Functionality <br /> • Sediment Accumulation <br /> o Maintain stable ground cover in the drainage area. <br /> o Sweep or vacuum sediment on pavement in the contributing drainage <br /> area. <br /> o If sedimentation or clogging is occurring in the inlet, design modification <br /> may be needed to ensure adequate drop or slope between inlet and <br /> filter bed. <br /> o If sediment has accumulated in the forebay area reducing its depth to <br /> 75%of the original design depth, remove the sediment off site, <br /> restabilize the area, and replace with clean rock. Search for the source <br /> of the sediment in the drainage area and remedy the problem if possible. <br /> • If there are visible disturbances to the forebay design, make the necessary <br /> repairs to ensure that the forebay is functioning as intended. <br /> • If evidence of a muskrat or beaver activity is observed, contact a professional to <br /> remove muskrat or beaver. <br /> • If the basin must be drained for an emergency or to perform maintenance,the <br /> flushing of sediment through the emergency drain should be minimized to the <br /> maximum extent practical. <br /> For additional information or if damage has occurred at the outlet which effects the <br /> receiving water, contact the Town at Chapel Hill Stormwater Management at 919- <br /> 969-7246 (RAIN). <br /> WETPOND PAGE 3 OF • • 1 <br />