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114. IGA WITH CITY OF MESA REGARDING DRAINAGE IMPROVEMENTS AND WATERLINE RELOCATION TO PALM LANE FROM 78TH STREET TO HAWES ROAD Approve the Intergovernmental Agreement between Maricopa County (County) and the City of Mesa (Mesa) for the Improvements to Palm Lane from 78th Street to Hawes Road; 78th Street from Palm Lane to McDowell Road; and to modify the McDowell Road Drainage Basin. Under this Intergovernmental Agreement, the County will act as the lead agency for all aspects of the design and construction of the Project, which will be completed to County and City standards. The County operates and maintains Palm Lane and 78th Street. The County is proposing to construct a storm drain system on Palm Lane from 78th Street to Hawes Road and on 78th Street from Palm Lane to McDowell Road. The work also includes modifications to the McDowell Road drainage basin to accommodate the additional drainage. The drainage will be conveyed from Palm Lane and 78th Street into the McDowell Road storm drain which flows into the McDowell Road retention basin. The County will be financially responsible for the cost to complete the construction of the Project , which is currently estimated $4,249,000. The funds are budgeted in FY2020 - 2022 Transportation Department (640) Transportation Capital Project Fund (234) Five –Year Program in the Transportation System Management Project, sub-project TT0408. Construction is planned for fiscal years 2020 - 2022. The County will continue to maintain the road after the Project is complete. The City will retain responsibility for the operation and maintenance of the relocated waterline and the McDowell Road Retention Basin improvements. The terms of the agreement are in effect as of the Board of Supervisors approval and shall remain in full force and effect until all stipulations have been satisfied, except that it may be amended upon written agreement by all parties. Supervisory District No. 2 . (C-64-20-207-M-00)

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