2013-07-16 CONCOM-min - Laserfiche WebLink

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TOWN OF LEXINGTON, MASSACHUSETTS CONSERVATION COMMISSION MINUTES Tuesday, July 16, 2013 7:30 P.M. Parker Room, Town Office Building 1625 Massachusetts Avenue Chair Joyce Miller opened the meeting at 7:32 pm in the Parker Room of the Town Office Building. Commissioners Present: Joyce Miller, Stew Kennedy, Dick Wolk, Jane Warren, Duke Bitsko, and David Langseth (arrived at 7:36 pm) Commissioners Absent: Phil Hamilton Others Present: Karen Mullins, Conservation Administrator and Michelle Tassi, Community Development Department Assistant 7:32 pm Cont. Hearing – NOI, Interstate 95 DEP# 201-902, BL 862 Highway & stormwater management improvements along the 5.4-mile stretch of I-95 within the 100-foot Buffer Zone & 200-foot Riverfront Documentation: NOI Application 5/29/13, Construction Details and Operations and Maintenance and Stormwater Report 7/12/13, and Proposed Stormwater Improvements Plan 7/11/13 Present for the Applicant: Gene Crouch, Vanasse Hangen Brustlin, Inc., Dave Kaplan, Cambridge Water Department and Alex, MassDOT Stormwater Analyst Mr. Crouch summarized the letter submitted by MassDOT after receiving the Commission’s comments as well as the comments from the Cambridge Water Department. Mr. Crouch discussed the operations and maintenance plan and long term pollution prevention plan. MassDOT commented that they are prepared to address best management practices. Comments from the Commission as follows: Mr. Bitsko asked if snow and ice operations and maintenance were the responsibility of the state. Mr. Bitsko suggested that the wet pond should be checked earlier in the construction sequence due to permeability. Mr. Kaplan from the Cambridge Water Department proposed that a spec detail be provided for the liner types. Mr. Bitsko asked if the invasive species list was used and stated that a dewatering spec be a condition. Mr. Bitsko suggested the installation of fencing to prevent ducks and geese from