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found problem areas outside the PMP, with those lines becoming a higher priority due to inflow or water seepage or root issues in the lines, accelerating repair or replacement of those lines. Specific to sanitary sewer connections, Mr. Culver displayed various types of connections found in the Roseville system, with a typical 4" sewer line traversing from the home into the street and tying into the sewer main using a Wye connection, with the property line variable (Attachment A). Mr. Culver noted that Roseville has 10,186 sewer service connections — residential and commercial — with most of those constructed of vitrified clay pipe (VCP) and at variable depths, locations, and some with complicated connections to accommodate the gravity flow system. Again, Mr. Culver advised that any new connections are constructed of PVC pipe. Mr. Culver reviewed connections in more detail, including saddle connections used for repairs; length of life of those connections estimated at approximately 50 years and well outlasting clay pipes, but depending on their type of soils with sandier versus clay soils providing better longevity. For new homes or businesses connecting to existing systems, Mr. Culver advised that the entire segment of pipe was cut out and refit, called "in line connections" but are more intrusive. Mr. Culver provided pictures of typical individual sanitary sewer line connections from private properties into the City's sanitary sewer mains, and displayed problems encountered including water flow, offset joints, settling of some joints, and other areas of pipe that may not be good candidates for lining. Mr. Culver noted that a very common problem with mains and service lines is root intrusion into the pipe with roots seeking nutrients (e.g. sewage) with very small roots finding the joints or cracks and then larger roots growing in and clogging those pipes, ultimately compromising the integrity of the pipe and joint and reducing capacity. With a newly lined pipe, Mr. Culver noted capacity and flow are much better through that smooth surface. At the request of Member Seigler, Mr. Culver advised that once the lining product is set it becomes cured, hard plastic and roots would have difficulty getting through it without a joint or crack to access. Mr. Culver reviewed typical sanitary sewer problems encountered by property owners and data researched by staff from available city records, including the following: • From permit records, it appears about 50 "repair/alteration" permits are issued per year for sanitary sewer service -related issues • The typical repair cost is not listed on permits but in all likelihood probably averages around $5,000 each (depending on street restoration expenses) • Options for repair include open cut (usually for spot repairs or total replacement) and lining of service lines • The cost to line a sanitary sewer service line is about $100 per linear foot Page 4 of 13