DATE: April 20, 2015
TO: Board of Mayor and Aldermen
FROM: Eric Stuckey, City Administrator
David Parker, City Engineer/CIP Executive
Paul Holzen, Director of Engineering
SUBJECT:
Presentation on the Harpeth River Watershed Feasibility Study and the Recommended Alternatives for the City of Franklin
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Purpose
The purpose of this memo is to provide an update to the Board of Mayor and Aldermen on the Harpeth River Watershed Feasibility Study.
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 two projects are considered to be economically justified within the city of Franklin. These two projects include Franklin Road channel modifications and nonstructural home raisings. With support from the Board of Mayor and Aldermen, one or both of these measures could become the Feasibility Study's recommended plan.
Finical Impact
The City of Franklin must decide if it supports implementation of the following two options:
Option 1:...
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