Background/Discussion
The City of Council Bluffs owns or sponsors multiple levee segments which encompass the City Federal Levee System, providing flood protection from the Missouri River, Mosquito Creek, and Indian Creek. These levee systems are currently shown on FEMA floodplain maps as being accredited and are identified as providing protection from the 100-year flood or 1% annual chance flood event.
In order to maintain the level of protection identified on the FEMA Flood Insurance Rate Map, it is necessary to provide documentation to FEMA that complies with the requirements of 44 CFR 65.10. If the levees are not certified, they will be de-accredited and FEMA will begin the process of updating maps. Areas previously protected by the levees will be identified as flood-prone.
In order to meet the criteria for levee certification, improvements to each of the levee systems will be necessary. This project also addresses deficiencies identified during past USACE inspections.
The PFE Pump Station Abandonment project demolished a deteriorated pump station structure, removed the associated gate well structure, and permanently filled underground piping. The infrastructure facilities impacted by the work had been out of service for many years and needed to be properly abandoned as a risk reduction measure for the levee system.
The FY17 CIP included $2,278,000 funded by the Iowa Flood Mitigation Program and $2,722,000 in Sales Tax Funds programmed for levee improvements. The budget for this project was $100,000.
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Original Contract Amount
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$40,791.03
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Change Orders (-7.53%)
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($ 3,073.54)
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Final Contract Amount
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$37,717.49
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Less Previous Payments
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($35,831.62)
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Retainage Due Contractor
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$ 1,885.87
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The Contractor did not complete the project on time and liquidated damages in the amount of $1,500 were assessed.