Resolution accepting the bid of Sibbernsen Excavating for the Mosquito Creek West Bank Floodplain Improvements.  Project # PW18-16C

On October 11, 2018 bids were received in the office of the city clerk as follows:

The Eastern Hills Drive Segment D (PW19-16A) project and the Steven Road East (PW18-16B) project require the construction of four large box culverts in the existing channel of Little Pony Creek and in one tributary of Little Pony Creek. The construction of the box culverts creates stream impacts that are required to be mitigated per USACE 404 permit. 

On-site mitigation opportunities for both projects is limited due to the amount of right-of-way available adjacent to the streams. Any on-site improvements would provide little overall benefit to the watershed and were not sufficient to satisfy the mitigation needs of the projects.

Off-site mitigation alternatives were reviewed and the selected alternative is the restoration and enhancement of the west bank of Mosquito Creek, north and south of Valley View Park. The mitigation will provide additional flood storage, and both nutrient and sediment retention capacity.  The project also restores native grasses and trees.

Funding will be provided by the City of Council Bluffs and Pottawattamie County.  The City’s 50% share will be paid using Sales Tax Funds.

Approval of this resolution.