DATE: July 25, 2016
TO: Board of Mayor and Aldermen
FROM: Eric Stuckey, City Administrator
Paul Holzen, Director of Engineering
Jonathan Marston, Assistant Director of Engineering
William Banks, Engineer I
SUBJECT:
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Discussion on the Harpeth River Watershed Feasibility Study and the Franklin Road Streetscape Project.
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Purpose
The purpose of this memorandum is to provide an update to the Board of Mayor and Aldermen (BOMA) on the Harpeth River Watershed Feasibility Study and Franklin Road Streetscape Project.
Background
The May 2010 flood event created devastation throughout the Harpeth River Watershed and caused four fatalities and over $480 million in direct economic impacts in the Harpeth River Watershed alone. For this reason the Department of the Army conducted a preliminary reconnaissance of the Harpeth River Watershed and found over 850 structures in the regulated floodplain within the basin located in the City of Brentwood, City of Franklin, Williamson County and Davidson County. In addition, they found aquatic ecosystem issues throughout the basin primarily involving stream bank erosion and loss of riparian buffers. On June 13, 2013 the U.S. Army Corp of Engineers (USACE), City of Franklin, Metropolitan Nashville and Davidson County, City of Brentwood and Williamson County signed a Feasibility Study Agreement to analyze alternative flood risk management options. The feasibility study evaluated numerous flood risk management options and provided an analysis of cost and benefits associated with various projects. The USACE have determined that channel modifications at Franklin Road was considered to be economically justified within the City of Franklin.
The preliminary cost estimate provided by the USACE is approximately $1,000,000. The City would be responsible for 35% of the actual cost ($350,000). A portion of the Franklin Road Project (Harpeth River Bridge to Harpeth Industrial Ct) could be incorporated into this...
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