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Consideration of request by Senior Civil Engineer for approval of an amendment to the professional services agreement with MSA, in the amount of $400,000, for continued stormwater modeling and preliminary engineering analysis of the Schoonmaker Creek Watershed, CIP Project 3005.
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Submitted by:
Maggie Anderson, Senior Civil Engineer
Department
Public Works, Engineering Division
A. Issue
Consideration of request for approval of an amendment to the professional services agreement with MSA, in the amount of $400,000, for continued stormwater modeling and preliminary engineering analysis of the Schoonmaker Creek Watershed, CIP Project 3005.
B. Background/Options
In 2023, the City entered in to a professional services agreement with MSA to complete a detailed analysis of two alternatives to address flooding in the Schoonmaker Creek Watershed. MSA and City Staff presented the selected alternative of a conventional storm sewer from Lloyd Street to the Menomonee River at the October 15, 2024, Community Affairs Meeting. The Common Council subsequently passed a resolution on October 22, 2024, affirming the conventional storm sewer as the least costly option.
Since October of 2024, MSA and City Staff worked with the Milwaukee Metropolitan Sewerage District (District) to develop a scope of services for the next phase of work related to the District's jurisdictional reach of the Schoonmaker Creek. This phase will include additional modeling and engineering to produce a comprehensive stormwater model of the Schoonmaker Creek. Efforts will also include developing a 30% design model for watershed areas north of Lloyd Street, which are not within the District's jurisdictional limits, but are required for the full system analysis and conclusion of the 30% design. Completion of the work will identify specific construction projects, develop preliminary construction cost estimates, as well as construction phasing and sequencing, to be used by the City in prepar...
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