R2005-59 AUTHORIZING CITY MANAGER TO GETOTIATE WITH DECATUR PARK DISTRICT

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. � . COUNCIL COMMUNICATION FORM Engineering & Infrastructure Memorandum NO. 2005-33 May 10, 2005 TO: Honorable Mayor Osborne and City Council FROM: Steve Garm ity Manager Stephen Sw on, P.E., Director of Engineering & Infrastructur SUBJECT: Water Main Extension in New Decatur Park District Golf Course SUMMARY RECOMMENDATION: It is recommended by City staff that the City Council approve the attached resolution authorizing the City Manager and the Director of Engineering & Infrastructure to expend an amount not to ! exceed $15,000 for the reimbursement to the Decatur Park District for the installation of a public ' water main in its new golf course. , BACKGROUND: The Decatur Park District (DPD) is required to extend an 8-inch water main from West Grove Road north approximately 1,600 feet to meet fire flow requirements for the maintenance building at its new golf course. Phillip Cochran, consultant working for the DPD on this project, contacted City staff on behalf of the DPD to ask if there was an interest on the City's part to create a continuous "loop" with the water main system in the Wildwood Subdivision. The basic offer was that the City would share in the cost of the water main extension at a cost of$40,000 to complete the "loop". It was noted in the offer that completing the "loop" would benefit about 120 homes in the Wildwood Subdivision that are currently served by a single service water supply. These homes are susceptible to water outages in the event of a water main break or required maintenance to the water mains. The actual number of homes that would be without service would depend on where a break occurred or where the maintenance had to be done. Historically, this has not been a major problem in this neighborhood but the looping of closed end systems in the City's water system is an objective that City staff works to remedy. There are several benefits of a looped system. The most basic benefit is to ensure that water service can be continuous to water users if one segment of the water system must be shutdown. This ensures that everyday water use by our customers is uninterrupted. Looping becomes important in the event of a fire to ensure fire hydrants remain in service. An additional benefit relates to water quality in the City's water system by ensuring water is circulated and does not become "stagnanY' in closed ends of the water system.