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HomeMy WebLinkAbout~Master - Grant Agreement amendment for Squaw Creek Water Main Protection Project RESOLUTION NO. 16-124 RESOLUTION APPROVING GRANT AGREEMENT FOR SQUAW CREEK WATER MAIN PROTECTION PROJECT (HAZARD MITIGATION GRANT PROGRAM FLOOD MITIGATION) FOR THE CITY OF AMES WHEREAS, following flooding in 2010, Public Works staff submitted 11 projects for consideration under the Federal Emergency Management Agency's(FEMA)Hazard Mitigation Grant Program(HMGP), and nine of the projects were denied federal funding due to failure to achieve a benefit cost analysis greater than 1.0; and, WHEREAS, on June 26, 2012, City Council directed staff to continue pursuing federal funding for the Stuart Smith Park Bank Stabilization project, and this has been named the Squaw Creek Water Main Protection project by Iowa Homeland Security and Emergency Management Department(HSEMD); and, WHEREAS, Municipal Engineer Tracy Warner was designated as the City's authorized representative for the project, and a local match was approved up to $120,000; and, WHEREAS, included in the 2012-2017 Capital Improvements Plan (CIP) was a program entitled Flood Response and Mitigation Projects that included$820,000 in General Obligation Bonds and $325,000 in Storm Sewer Utility Funds, and portions of this funding were used on a flood mitigation project in Northridge Subdivision/Moore Memorial Park and for bank stabilization near Utah Drive and another location near North Riverside; and, WHEREAS, these three projects are now complete, and the two remaining projects are the Trail Ridge Landslide and the Squaw Creek Water Main Protection project; and, WHEREAS, unspent local funding totaling $628,737 has been carried forward through budget amendments; and, WHEREAS, an engineering consultant was hired to complete the HMGP Drainage Project Application,which was submitted in July 2012,and the proposed construction proj ect included sheet pile walls and riprap infill for bank stabilization to protect the existing 24-inch water main under Squaw Creek on the south side of Lincoln Way; and, WHEREAS, in September 2012, the City was notified that this project was considered stacked, which meant that the funding cap was reached by other projects for the specific disaster covering this project; and, WHEREAS,in 2015,staff was notified that FEMA was interested in breaking up the project into phases, which included Phase I that would fund further analysis of the problem and the best proposed solution,including consideration of whether the existing low-head dam should be removed or remain in place as part of the project; the City Council approved the Phase I agreement on May 26, 2015, where FEMA funded 75%, the State funded 10%, and the City funded 15% of the cost; and, WHEREAS, the original September 2012 analysis called for sheet piling as the primary means of bank stabilization along with a rock riffle/rapids to mitigate the effects of the dam,and the alternative recommended in the October 2015 report to progress toward Phase II (construction) is based on a stream restoration approach utilizing integrated/bioengineering techniques; and, WHEREAS,bank stabilization techniques would consist of flattening the banks,construction of benches within the banks,utilization of revetment stone for stabilization at lower elevations (up to the bench),and structural soil(soil filled rock)with native plantings at elevations above the bench, and the project would also consist of installing a rock flume (rip rap) downstream of the low head dam to eliminate the eddy pool contributing to the bank erosion; and, WHEREAS, considering the current and future risk to the existing infrastructure,restoring a gradual transition downstream of the dam is recommended;this option is considered the most cost- effective to achieve the objectives and would also improve ecological functions and aquatic habitat, as well as reduce the area disturbed by the project; and, WHEREAS, staff received notification on March 2, 2015, that the FEMA grant has been approved for Phase II, which would include final design, permitting, and construction of the alternative described above; and, WHEREAS,if this agreement is approved,a request for professional services proposals will be requested for Phase II(final design,permitting,and construction),and once proposals are received and rated by City staff for work associated with FEMA and HSEMD's recommended Phase II work tasks, a contract will be brought back to City Council NOW, THEREFORE, BE IT RESOLVED by the City Council of the City of Ames, Iowa, that the Grant Agreement with FEMA/Iowa Homeland Security for Phase II of the Squaw Creek Water Main Protection Project is hereby approved, authorizing the City to contribute 15% and FEMA and the State of Iowa to pay 85% of the Phase II contract. ADOPTED THIS 22nd day of March, 2016. A. tom• ��� Diane R. Voss, City Clerk Ann H. Campbell, Mayor Introduced by: Nelson Seconded by: Betcher Voting aye: Betcher, Beatty-Hansen, Corrieri, Gartin,Nelson, Orazem Voting nay: None Absent: None Resolution declared adopted and signed by the Mayor this 22nd day of March, 2016.