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HomeMy WebLinkAbout2014-04-08 CONCOM-min TOWN OF LEXINGTON, MASSACHUSETTS CONSERVATION COMMISSION MINUTES Tuesday, April 8, 2014 6:30 P.M. Parker Room, Town Office Building 1625 Massachusetts Avenue Chair Joyce Miller opened the meeting at 6:32 pm in the Parker Room of the Town Office Building. Commissioners Present: Joyce Miller, Phil Hamilton, Stew Kennedy, David Langseth (arrived at 6:33 pm), Duke Bitsko and Jane Warren Commissioners Absent: Dick Wolk Others Present: Karen Mullins, Conservation Administrator and Michelle Tassi, Community Development Department Assistant PENDING MATTERS 6:32 pm Conservation Restriction: Shire Peter Corbett, Attorney for Shire, Carmine Tedesco and Michael Holland, Shire were present for this discussion. Mr. Corbett explained the status and outstanding issues regarding future installation of utilities. Motion made and seconded to approve reserved rights to maintain the right to install utilities within the gravel access road, 6-0 in favor. 6:42 pm Plan change: 62 Grassland Street, DEP# 201-901, BL 860 Rich Kirby, LEC Environmental, Janice Brown, Homeowner/applicant, and Al Gala, Gala Simon Associates, Inc. were present. Mr. Kirby explained the proposed plan change to shift the walkway 1.5 feet away from the house and increase the width of the walkway by 2.5-3 feet. Mr. Bitsko asked if permeable paver details were submitted. Mr. Kirby replied that they were previously submitted with the original filing. Motion made and seconded to approve the plan change at 62 Grassland Street, 6-0 in favor. 6:50 pm Plan change: Whipple Hill pond outlet bridge, DEP# 201-899, BL 858 Don Grant, Conservation steward, presented the plan change for the revised boardwalk crossing. Mr. Grant described the changes and dimensions for the boardwalk crossing. Mr. Langseth commented that the bridge and boardwalk at the pond outlet is needed in the area and more sensible than stepping stones. Motion made and seconded to approve the plan changes as described at Whipple Hill pond outlet bridge, 6-0 in favor. 6:55 pm Motion made and seconded to approve a permit extension for Five Fields Pond, DEP# 201-708, for three years, 6-0 in favor. 6:57 pm Motion made and seconded to issue an Order of Conditions for 40 Fern Street, DEP# 201-934, BL 894, 6-0 in favor. The Commission postponed issuance of a Certificate of Compliance for 39 Middleby Road, DEP# 201-875, BL 833. 6:58 pm Reports: Bike Advisory, Community Preservation Committee, Land Steward Directors, Housing Partnership, Tree Committee, Land Management, Land Acquisition, etc. Mr. Kennedy reported on maintenance at Juniper Hill. The Commission discussed annual mowing of the meadow and trail. Ms. Mullins will set up a meeting with the three trustees, staff, and a neutral contractor to discuss. Ms. Mullins reported that Boston Dynamics would like to extend their robot testing permit at Hayden Woods. Motion made and seconded to approve extension of the permit for field testing of th the LS3 robot for Boston Dynamics at Hayden Woods on either April 9 or April 10th, 6-0 in favor. Ms. Warren reported that the spring walks will be coming up soon. Motion made and seconded to approve the minutes from the meeting on March 25, 2014, 6-0 in favor. 7:05 pm Cont. Hearing – 21 Valley Road, NOI DEP# 201-933, BL 893 Applicant: DEBCO Properties Expand a portion of the driveway and install utility connections within the outer portion of the 200-foot Riverfront Area associated with North Lexington Brook Present for the Applicant: Rich Kirby, LEC Environmental Consultants, Inc., Andrew and David Burns, Contractors Mr. Kirby presented the plan and drainage revisions for raze and rebuild of a single-family dwelling. Comments from the Commission as follows: Ms. Miller read the engineering review. Mr. Langseth asked if the trench drain was pushed as close to the street as possible to capture driveway runoff. Motion made and seconded to close the hearing, 6-0 in favor. 7:11 pm Cont. Hearing – 12 Dunham Street, NOI DEP# 201-932, BL 892 Applicant: Ping Chen Construction of an addition, deck, infiltration system, associated grading and utilities within the 100-foot Buffer Zone and/or any resource areas Present for the Applicant: Architect for the project The architect provided the revised plan to address all outstanding issues except the roof downspout overflow. Comments from the Commission as follows: Mr. Kennedy entered the affidavit into the record stating that he watched the video from the previous hearing with testimony for the project at 12 Dunham Street. Motion made and seconded to close the hearing, 6-0 in favor. Motion made and seconded to issue an Order of Conditions for 12 Dunham Street, DEP# 201-932, BL 892, 6-0 in favor. 7:15 pm Cont. Hearing – 79 Maple Street, NOI DEP# 201-921, BL 881 Applicant: Ronald Smith Raze a single-family dwelling and driveway and construct a new single-family dwelling, deck, driveway, rooftop infiltration, associated grading and utilities within the 100-foot Buffer Zone and 200-foot Riverfront Area Motion made and seconded to continue the hearing to April 22, 2014 at 7:00 pm at the request of the applicant, 6-0 in favor. 7:18 pm Cont. Hearing – 85 Reed Street, NOI DEP# 201-925, BL 885 Applicant: Brian Powderly Raze and rebuild a single-family dwelling within the 100-foot Buffer Zone Present for the Applicant: Brian Powderly, Contractor and Karon Skinner Catrone, Wetland Scientist Ms. Skinner Catrone submitted soil samples and revised plans for this project. Comments from the Commission as follows: The Commission discussed the need for the Administrator to review the wetland line due to the close proximity of the house. Mr. Langseth asked for a clarification on the pre-existing drainage calculations and if the calculations accounted for sections of impervious area that drain to the street. Mr. Bitsko commented that the grading plan needs to be revised to reflect accurate grades to comply with the drainage system needs. Mr. Bitsko pointed out that the deck needs to be shown on the most recent plan as well as the roof line including overhang. Mr. Langseth asked for a summary of the pre and post drainage calculations for the 2, 10, and 100 year storms, and 1 year volume. Mr. Langseth asked the applicant to investigate converting the stone trench drain to a trench drain system. The Commission discussed the need for a stamped plan by the professional land surveyor. Motion made and seconded to continue the hearing to April 22, 2014 at the request of the applicant, 6-0 in favor. 7:49 pm Motion made and seconded to adjourn the meeting, 6-0 in favor. Respectfully submitted, Michelle Tassi Community Development Department Assistant