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COUNCIL COMMUNICATION FORM '' <br /> Engineering & Infrastructure Memorandum <br /> NO. 2001- 47 <br /> August 24, 2001 <br /> TO: Honorable Mayor Howley and City Council <br /> FROM: Steve Garman, City Manager <br /> Stephen P. Swanson, P.E., Director of Engineering & Infrastructure�°� <br /> Matthew C. Newell, P.E., City Engineer�,�,� <br /> SUBJECT: Rehabilitation of the 25th Street Sanitary Sewer, City Project 2000-30 <br /> SUMMARY RECOMMENDATION: <br /> An item on the agenda for the September 4, 2001, City Council Meeting is the authorization of <br /> an agreement for design services with Bainbridge, Gee, Milanski & Associates, Inc. (BGM) for a <br /> fee not to exceed $19,000 to prepare a design concept report for the proposed Rehabilitation of <br /> the 25th Street Sanitary Sewer. <br /> Staff recommends that the City Council approve the attached agreement. <br /> BACKGROUND: <br /> The 25th Street Sanitary Sewer is a 36 inch diameter reinforced concrete pipe that originates at <br /> the intersection of 25th and Eldorado, near the entrance to Staley's, and extends southerly to its <br /> outfall into the City's Southeast interceptor at the intersection of 16th Street and Lake Shore <br /> Drive, as shown on the attached location map. This sanitary sewer carries a significant flow from <br /> Staley's in addition to draining the sewage and some storm water from the residential areas it <br /> travels through. <br /> A televised inspection was performed on the 25th Street sewer in 1999. The inspection revealed <br /> deterioration present throughout the pipe with up to %2 of the pipe eroded away at various <br /> locations. <br /> City staff proposes to have BGM perform an indepth review of the televised inspection along <br /> with a close inspection of each manhole and selected locations of the pipe. They will research <br /> the various rehabilitation options available to restore the structural integrity of the sewer. <br />