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<br />28 <br /> <br />Sanitary Sewer Manhole Inspections are completed within the third of the city that is being cleaned <br />each year. Below are a few items that Staff are looking for during a manhole inspection. Through <br />inspection activities, a report is prepared annually to evaluate maintenance activities and goals for <br />future projects. <br />• Adjusting rings, mortar, or any other concrete repairs needs. <br />• Evidence of inflow and infiltration (I and I) <br />• Tree root intrusion and the overall condition of the structure. <br /> <br />Annual Sanitary Sewer Cleaning- <br />• The below 4 maps outline the sanitary sewer segments (shown in green) that PW cleans on an <br />annual basis due to excessive buildup, low flow, or flat grade that causes the line to require <br />additional service each year. <br /> <br /> <br /> <br />