ä
Reconnaissance phase
8 Corps
evaluations in 1934, 1942, 1956, 1983not justified
8
At Towns request, in 1994, Corps re-evaluated and recognized
potential for federal
justification, that is, BCR > 1
4
In 1998,
recon study recommended initiating feasibility study
ä Feasibility phase -- study initiated in June
1999
4Summary of Corps study process:
- Define existing conditions
- Identify the problems (extent of past
flooding)
- Develop alternatives to address problems
- Identify/assess impacts of proposed
alternatives
-
Define benefits and costs for alignment alternatives
to determine the recommended plan that
provides the
greatest net benefits (to the national
economy) for the
least cost ä National Economic Development (NED) Plan
4Federal justification due to new
economic guidelines
issued in 2003
ä
Design phase
ä
Construction phase