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CONSENT ITEM— 8I ,-AI�EN HILLS MEMORANDUM DATE: November 13, 2023 TO: Honorable Mayor and City Councilmembers Dave Perrault, City Administrator FROM: David Swearingen, P.E. Public Works Director/City Engineer SUBJECT: Trunk Watermain Improvements - Roseville Budgeted Amount: Actual Amount: Funding Source: $385,000 $TBD Water Utility Fund Council Should Consider Motions to approve, table, or deny the following: • Construction Cooperative Agreement for Construction of Watermain on Hamline Avenue with the City of Roseville. Background/Discussion Project area is shown in Exhibit A and Exhibit B within the Cooperative Agreement (Attachment A). Arden Hills has a 16-inch diameter trunk watermain that extends from Roseville at Hamline Avenue and Glenhill Rd that feeds both water towers. Within Roseville there is an existing 12- inch watennain that connects to the Arden Hill's 16-inch watermain. The existing conditions are adequate for Arden Hill's current demand for water but the purpose of this project is to upgrade the watennain within Roseville from 12-inch to 16-inch to supply the required water demand for future development at Rice Creek Commons/TCAAP. This project is anticipated to be constructed in 2024. The timing is due to coordination with Ramsey County's pavement rehabilitation project along Hamline Avenue in 2025. Ramsey County requested that the work be completed prior to their project so the new pavement is not disturbed. Budget Impact The 2024 CIP has $385,000 budgeted for this project(Attachment B). Because Roseville does not have a need to replace or upgrade this segment of watermain for their City needs, the costs related to upsizing the pipe, valves, fittings, meter manhole and related restoration will be fully funded by Arden Hills per the attached Cooperative Agreement. Roseville has offered to take the Page 1 of 2