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46. IGA FOR PRELIMINARY ENGINEERING DESIGN OF THE AGUA FRIA BOULEVARD (HAPPY VALLEY ROAD ) SCOUR PROTECTION PROJECT Approve an Intergovernmental Agreement with the Maricopa County Department of Transportation (MCDOT) and Flood Control District (FCD) 2008A007 to cost share the preliminary engineering design (Project Design Concept) of the Agua Fria Boulevard ( Happy Valley Road ) Scour Protection Project. FCD will act as the lead agency for the project. The estimated cost for the project is $300,000 and MCDOT is responsible for 50% of the estimated total cost, not-to-exceed $150,000. The agreement allows MCDOT and FCD to cost share a design study for the drop/grade control structure and related channelization between Agua Fria Boulevard and Deer Valley Road . The project will be funded through MCDOT's Bridge Preservation Project (BRIG) budget, Job Number T300, Happy Valley Road at Agua Fria Grade Control Structure. The study will refine the design concept and cost estimate of the drop/grade control structure to protect the Agua Fria Boulevard bridge, establish the northern end of a channel segment at a logical starting point and facilitate economical construction of the Deer Valley Road bridge. (Supervisorial District 4) (C-91-09-019-M-00)