FLOOD07354

• County: Statewide
• Community: Platte Center Nebraska
• Basin: Statewide
• Title: Flood Hazard Mitigation Study for Platte Center, Nebraska
• Date: 8/1/1991
• Prepared For: US Army Corps of Engineers
• Prepared By: Greenhorne & O'Mara, Inc.
• Floodplain - Doc Type: Project

Table 7
Benefit-Cost Analysis

Elm Creek
Channel
Imorovements

Elm Creek
Channel Improve-
ments and Bridge
Reolacement

First Cost $284,500 $4l8,OOO
Interest During
Construction 12,450 18,290
Total Investment
Cost $296,950 $436,290
Total Annual Cost $ 25,990 $ 38,180
Total Annual
Benefits $ 21,800 $ 27,291
Benefic-Cost Ratio 0.84 0.71
Net Benefits $ -4,190 $-10,889

Shell
Creek Elm Creek
Levee Diversion
$ 98,400 $831,100
4,300 36,360
$102,700 $867,460
$ 8,990 $ 75,920
s: ,10,210 $ 47,480
1.14 0.63
$ 1,220 $-28,440

*Interest and amorcizacion for'annual costs based on 100 years at 8.75
percent.

This report covers several types of nonstructural measures that

could help solve the problems in Platte Center, Because nonstructural

.'
measures must be designed for each individual property because of the
.. - ' . ~.

variability in structure location, struccure construction, flood

depth, flood velocity, structure value, and so forth, this section

will provide informacion of sufficient detail so that the community

and the individual property owner can make an initial assessment of

the appropriaceness of che various measures and the approximate cost

of the measures.

After comp1ecion of che initial assessment, the

c~mmunity and the propercy owner would need:~o obtain detailed designs
and cost estimates for application of each measure as appropriate.

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