2017-01-23-CONCOM-min - Laserfiche WebLink

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TOWN OF LEXINGTON, MASSACHUSETTS CONSERVATION COMMISSION MINUTES Monday, January 23, 2017 6:30 P.M. Hudson Room, Cary Hall 1605 Massachusetts Ave Chair Philip Hamilton opened the meeting at 6:39pm in the Hudson Room of the Cary Hall Building. Commissioners Present: Phil Hamilton, Duke Bitsko, Alex Dohan, Kevin Beuttell, Dick Wolk, David Langseth Others present: Karen Mullins, Conservation Administrator and Jennifer Gingras, Department Assistant 6:39pm Follow up discussion, Maguire and Hartwell Ave Intersection and Bridge Improvements, Town Engineering Mr. Beuttell abstained from the informal hearing. Dave Cannon- Lexington Engineering Department, Simon Hilt and Tom Hanson- Stantec Engineering Mr. Cannon explained that they had presented the options of the roadway reconstruction to the Board of Selectmen, who had expressed a preference for a roundabout. The Board of Selectmen asked that they go back before the Conservation Commission to propose both options and get a better understanding of their opinion. Mr. Hilt showed the commissioners the two options that they are considering. The signalized intersection option would have the same lanes but would result in a smaller footprint. Mr. Hilt presented a chart comparing the different options and listing the square footage impact. Questions and comments from the Commission: The Commission stated that from a wetland perspective, the best option is the one with the smallest impact – signalized intersection with the walls; however, that doesn’t take the cost into consideration. The applicant presented a cost comparison for the different options. The Commission stated that the more disturbance, the more replication that is required under the by-law. It would not be possible to replicate the disturbance from either roundabout option. Mr. Hilt stated that in the Southeast quadrant, there is approximately 8,000 sq. ft. available for replication.