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<br />)01, , " l., <br /> <br />Sediment- tOntrol <br />-Sl ~'ences <br /> <br />. Remove silt deposits once they reach 30 percent the height of the fence to provide adequate storage volume <br />for the next rain and to reduce pressure on the fence. Take care to avoid undermining the fence during <br />clean out. <br /> <br />It may be easier and more effective to remove and replace the silt fence when removing silt deposits. <br /> <br />Silt fences are to be removed upon stabilization of the contributing drainage area. Accumulated sediment may <br />be spread to form a surface for turf or other vegetation establishment, or disposed of elsewhere. The area <br />should be reshaped to permit natural drainage. <br /> <br />Sources <br /> <br />\. Barr Engineering Company. 1993. Handbook for the Riley-Purgatory-Bluff Creek Watershed District. <br />Minneapolis. <br /> <br />2. Minnesota Department of Transportation. 2000. Standard Specificatians for Construction. St. Paul. <br /> <br />3. Minnesota Pollution Control Agency. 2000. Protecting Water Quality in Urban Areas: Best Management <br />Practices for Dealing with Storm Water Runoff from Urban, Suburban and Developing Areas of Minne- <br />sota. St. Paul. <br /> <br />4. Ramsey Soil and Water Conservation District. 1989. Ramsey County Erosion and Sediment Control Hand- <br />book Roseville. <br /> <br />5. U.S. Department of Transportation. 1995. Best Management Practices for Erosion and Sediment Control. <br />Eastern Federal Lands Highway Division, Washington, D.C. <br /> <br />Metropolitan Council I Barr Engineering Co. <br /> <br />3-111 <br /> <br />I <br />