FLOOD04472

• County: Statewide
• Community: Nemaha County Nebraska
• Stream Name: Missouri River Miles 532.4-528.9
• Basin: Statewide
• Title: Langdon Bend Habitat Restoration/Preservation Project Volume 1
• Date: 6/1/1995
• Prepared For: US Army Corps of Engineers
• Prepared By: Greenhorne & O'Mara, Inc.
• Floodplain - Doc Type: Project

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Table 6: Langdon Bend Project
Missouri River Fish and Wildlife Mitigation
Alternative Evaluation Scoring Table
EVALUATION CRITERIA ALTERNATIVES
A A A B C D
10' 25' 50'
Pilot Pilot Pilot
Construction Cost 6 5 4 0 8 10
Total Acres of Wetlands (existing + 0 0 0 10 I 1
proposed)
Total Acres of Chute Created 10 10 10 0 0 0
Taxing Agency Impacts 10 10 10 10 10 10
Project Life 10 10 10 8 3 NIA
Average Annual O&M Cost 2 2 2 0 10 NIA
Probability of Success 10 10 10 9 5 NIA
Navigation Impacts 10 10 10 10 10 10
Fish and Wildlife Benefits 10 10 10 9 5 4
Social Impacts 10 10 10 10 10 10
Totals 78 77 76 66 62 45

Note: Criteria are evaluated on a 0 to 10 basis, with the higher rating best meeting the project goals.
See Appendix D for more detailed information.

Table 7: Langdon Bend Project
Comparison of Costs for Alternatives
Alternative Construction Cost Annual O&M ·
A - 10 ft, $2,843,995 $25,320
A .25 ft. $3,098,938 $25,320
A.50ft. $3.540.892 $25,320
B $6,276,284 $29,480
C $1.204,064 $13,080
n "" ~

. Note: Does not include monitonng and evaluation plan costs whicb are estImated
to be $4,000 per year for the first, third, and fifth years of the project.

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