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Item No: 8B Meeting Date: February 24, 2025 MOUNDSVIEW Type of Business: Council Business Administrator Review: City of Mounds View Staff Report To: Honorable Mayor and City Council From: Don Peterson, Director of Public Works/Parks and Recreation Item Title/Subject: Resolution 10062, Authorize Sanitary Sewer Line Rehabilitation Project - CIPP (cured-in-place-pipe) Background / Discussion: The municipal sanitary sewer system is composed of approximately 45 miles of trunk sewer, 900 manholes, and 2 lift stations. The sanitary trunk sewer was largely constructed in the 1960's and early 1970's using (predominately) clay pipe. The use of clay pipe during this time was the industry standard, but more watertight pipe products(PVC)have been developed and replaced clay pipe which became the new industry standard the last few decades. Leaky clay pipes incur unnecessary Met Council treatment costs due to infiltration of ground water into the trunk sewer. Public Works has an inspection and maintenance program for the municipal sanitary sewer system. This program includes inspecting the trunk sewer by televising and evaluating the condition of the pipes. Defects are noted/documented while performing inspections, including cracks in the pipe and leaking joints. A priority list that ranks the segments of pipe requiring repair or remediation is maintained by Public Works. A map of the 2025 sanitary sewer rehabilitation priorities is attached (Attachment A) Public Works in conjunction with Stantec has prepared plans and specifications (bid documents) in house for use in obtaining public bids for the sanitary rehabilitation project, City Project 2024-007. A public bid is required since the estimated construction cost exceeds $175,000.00. A virtual public bid opening will be held on Tuesday, April 1, 2025 at 10:00am. The following is a breakdown of the bids received: The funding for this project is budgeted in the Sanitary Sewer fund, 730-4823-7050, which includes $1,000,000.00 for the sewer pipe relining program. Strategic Plan Strategy/Goal: Maintain and Plan for Infrastructure Improvements. Financial Impact: No Impact to the 2025 Budget as repairs are budgeted in the Sanitary Sewer Fund, 730-4823-7050, for these necessary repairs. Recommendation: Staff recommends the City Council approve the attached resolution, approving and authorization for Staff to complete the plans and specifications for bidding of the 2025 Sanitary Sewer Line Rehabilitation Project — CIPP (cured-in-place-pipe). City project 2024-007, to be funded from the Sanitary Sewer Fund account 730-4823-7050. Respectfully submitted, Don Peterson Director of Public Works/Parks and Recreation The Mounds View Vision A Thriving Desirable Community