1B, Noise Mitigation Discussion - Laserfiche WebLink

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Discussion Since October there has been some momentum on the larger transportation Jro'ect. p Mn/DOT presented project details and timing to the City Council at the February 8 City Council meeting. Mn/DOT has indicated that they will be completing additional noise analysis. Mn/DOT also proposed to develop a Noise Advisory Committee (NAC) to guide this noise analysis. Mn/DOT has suggested that the committee include City staff, City Council, and resident participation. In light of these recent developments, staff suggests that the City request that MnIDOT incorporate some of the additional analysis into their revised noise study. We also suggest that we invite Bolton & Menk as our engineering representative to the NAC, so that they can review the Mn/DOT technical Endings, and provide support to the Arden Hills residents on the committee. Financial Implications Until the results of the new noise analysis study are available, it is difficult to discuss the financial implications for constructing noise mitigation measures. If the additional analysis show that federal requirements are not met and the proposed noise mitigation does not meet the standard cost-effectiveness criteria, Mn/DOT's cost participation policy is that they will not pay for these improvements. At that time, the City Council will need to consider if local funds should be used to partially or fully fund noise abatement in this corridor. If the City Council wishes to receive technical assistance on noise issues staff recommends that we continue to use Bolton &Menk as our engineering consultant. Council Action Requested Provide staff with feedback and direction on next steps. City Council Worksession ---- \\Metro-inet.us\ardenhills\PR&PW\Engineering\Council_Actions\2010\Worksessions\2-16- lOMemo NoiseDiscussion.doc Page 3 of 3