2014-02-25 CONCOM-min - Laserfiche WebLink

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TOWN OF LEXINGTON, MASSACHUSETTS CONSERVATION COMMISSION MINUTES Tuesday, February 25, 2014 6:30 P.M. Parker Room, Town Office Building 1625 Massachusetts Avenue Chair Joyce Miller opened the meeting at 6:35 pm in the Parker Room of the Town Office Building. Commissioners Present: Joyce Miller, Phil Hamilton, Stew Kennedy, Dick Wolk, Jane Warren, David Langseth (arrived at 6:45 pm) and Duke Bitsko Others Present: Karen Mullins, Conservation Administrator and Michelle Tassi, Community Development Department Assistant PENDING MATTERS 6:35 pm Land Use Permit Application – Boston Dynamics, robot testing, Seth Davis Seth Davis, Boston Dynamics, was present for this discussion. Mr. Davis proposed field testing of the LS3 robot at Hayden Woods beginning at 9:00 am and continuing until 4:00 pm. This permit application would be for a one day testing on March 6, 2014, but eventually it would be proposed to be done once a week or twice a month. Mr. Davis described the robot as weighing 1,000 lbs with no pay load and 1,300 lbs with a full pay load. A box truck will be carrying the robots as well as spill management equipment. Mr. Davis stated that the operation is designed to work around people and the entry will occur at the office park entryway. Mr. Wolk asked how the robot is powered. Mr. Davis explained that the robot holds up to 12 gallons of gasoline. Motion made and seconded to approve field testing of the LS3 robot for Boston Dynamics at Hayden Woods on March 6, 2014 from 9:00 am to 4:00 pm, 6-0 in favor. 6:43 pm Plan Changes per letter and plan dated 2/20/2014: 219 Lincoln Street, BL 861, Alton Stone, Alton Engineering, Abbas Amiri, Homeowner, and Norman Curlop, Architect, were present for the plan change discussion. Mr. Stone gave a description of all the changes proposed at 219 Lincoln Street which include the addition of a stairway and pathway leading from the driveway to a landing at the front door, addition of overhang from the first floor on the southwest end of the house, and addition of an entry way porch on the front of the house. Mr. Kennedy asked if the stairs and pathway are impervious. Mr. Langseth stated that the Commission needs clear documentation and design details explaining which areas are impervious and which areas are pervious. Ms. Mullins commented that there needs to be at least 6” of crushed stone beneath the balcony and a ¼” separation between the planks. Mr. Bitsko asked if the trees on the steeper slope were proposed to be removed. Mr. Kennedy commented that the final plan needs to be stamped by the engineer.