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6/91 <br /> • 4.3 MAINTENANCE GUIDE <br /> Mounds View, Minnesota Information for: <br /> Management Program for City Engineer <br /> Maintenance Guide Maintenance Personnel <br /> Revised December 1989 <br /> PRACTICE: Bi-annual inspection of all wetland <br /> areas and ditches. <br /> MINIMUM STANDARD: Brief walking inspection to record <br /> sediment buildup, skimmer and structure <br /> conditions, litter, vegetation, and <br /> visual water quality. <br /> PRACTICE: Street Sweeping <br /> MINIMUM STANDARD: Semi-annually, following snowmelt and in <br /> fall after leaves have fallen. <br /> PRACTICE: Catch Basin Cleaning. <br /> MINIMUM STANDARD: Frequency to prevent encroachment of <br /> sediment and debris above flow line of <br /> pipe. <br /> PRACTICE: Inspection of Direct Storm Sewer <br /> Discharge Points to protected wetlands <br /> or waterbodies <br /> MINIMUM STANDARD: Inspection on bi-annual basis and <br /> following targe storm events to <br /> _ _- <br /> from sediment and to observe the <br /> condition of any treatment facility if <br /> applicable. <br /> PRACTICE: Removal of Sediment. <br /> MINIMUM STANDARD: Based on bi-annual inspections, sediment <br /> shall be removed from areas where the <br /> • sediment impedes the flow path, from <br /> areas not designated for sediment <br /> 4.3 - 1 <br />