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ARDEN HILLS CITY COUNCIL —JULY 25, 2016 6 Mr. Lindeberg reported based on his experience a sound wall would be put out for a vote if it reduced noise and was cost effective. Mayor Grant inquired if the cost effective number or rate had changed. Mr. Lindeberg stated the cost effective number was $3,325 per decibel per benefiting receptor. He explained the equation has changed slightly and swings the pendulum closer to residents than the old policy and makes it easier for noise walls to be constructed. Mayor Grant asked if a third lane being added from I -35W to County Road 96 would necessitate a new sound study analysis. Mr. Lindeberg reported this was the case. Councilmember Holmes responded to Mr. Smeal stating the Council speaks with one voice and votes based on experts. She stated she was not a sound wall expert but took action based on the recommendation of a sound wall. Second, she did not order the independent noise study alone, but rather noted this was an action voted on by the entire City Council. She understood there was a lack of density in the East Round Lake neighborhood, which meant a noise wall would not be constructed. She indicated the Council was always happy to advocate on behalf of its residents. Mr. Cmiel agreed the Council took action on this item. He did not understand why the Council directed Bolton & Menk to complete a sound analysis on one neighborhood (Briar Knoll) instead of two neighborhoods, which would have included his neighborhood. He wanted to see an independent study completed by Bolton & Menk for the East Round Lake neighborhood. Mayor Grant closed the public hearing at 8:25 p.m. Councilmember Wieklund asked if the Council had to take action on this item this evening. Mayor Grant stated the Council had 90 days to take action on this item. MOTION: Councilmember Holmes moved and Councilmember Holden seconded a motion to adopt Resolution #2016-025 Approving Layout of Interstate 35W MnPASS project. Mayor Grant wondered how much an independent sound study would run for the East Round Lake neighborhood. Acting Public Works Director Anderson stated he was uncertain as to the expense but noted he could investigate this further for the Council. Councilmember Holden commented the proposed sound study was not within the scope of MnDOT's project. Mayor Grant understood this to be the case but noted this sound study would be a part of MnDOT's next project. He asked what the process would be to get a sound wall built as a stand along project.