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Home My WebLink About2013-03-12 CONCOM-min TOWN OF LEXINGTON, MASSACHUSETTS CONSERVATION COMMISSION MINUTES Tuesday, March 12, 2013 7:30 P.M. Legion Room, Cary Hall 1605 Massachusetts Avenue Chair Joyce Miller opened the meeting at 7:41pm in the Legion Room of Cary Hall. Commissioners Present: Joyce Miller, Jane Warren, Stew Kennedy, Phil Hamilton, Dick Wolk (Arrived at 8:05), Duke Bitsko and David Langseth Others Present: Karen Mullins, Conservation Administrator and Michelle Tassi, Community Development Department Assistant 7:42 pm Meeting – RDA, 51 Bridge Street DET# 13-05 Construction of a second story addition to a single-family dwelling within the 100-foot Buffer Zone Documentation: RDA Application 2/20/2013, Site Photographs and Colored Site Map Received at the Meeting on 3/12/2013 Present for the Applicant: Rich Kirby, LEC Environmental and Ed Cain, Candlewick Properties Mr. Kirby proposed construction of a second story addition to a single- family dwelling with no land alterations. An orange construction fence will be used for erosion control along the 25’ Buffer Zone. Comments from the Commission as follows: Mr. Hamilton stated that the Commission cannot approve the proposed wetland line because they were not able to see it. Mr. Langseth asked if any plans included with the application show the topography. Mr. Bitsko agreed with the use of an orange construction fence and asked if any work was proposed for the driveway or the front walkway. Mr. Cain and Mr. Kirby explained that the only work proposed is a second story addition. Mr. Langseth commented on the enhancement of the hedgerow and the applicant should allow the wetland to be left undisturbed. Mr. Kirby stated that there could be additional plantings to create a tighter hedgerow. Mr. Kennedy agreed with the additional plantings and allowing the wetland to go fallow. Andrew McKee of 54 Bridge Street gave a brief description of the land at 51 Bridge Street and told the Commission that behind the hedges there used to be lawn and a vegetable garden. Motion made and seconded to issue a negative determination with conditions, 6-0 in favor. 7:50 pm Cont. Hearing - NOI, 4 Turning Mill Road DEP# 201-876, BL 834 Construction of an addition within the 100-foot Buffer Zone Documentation: NOI Application 10/10/2012, Revised Narrative and Mitigation Measures and Revised Wetland Permitting Plan 11/9/2012, Proposed Plan 12/13/12, Invasive Species Management, Planting Plan, Revised Drainage Calculations, and Plan 2/7/2013, Revised Drainage Calculation 3/7/2013 Comments from the Commission as follows: Ms. Miller gave a summary of information that was needed from the last hearing. Ms. Miller read the engineering report. Mr. Langseth commented on the design for the calculations for the roof drip edge. The trench allows a 6” over-lip. Motion made and seconded to close the hearing, 6-0 in favor. 7:53 pm Cont. Hearing – NOI, 9 Vine Brook Road DEP# 201-890, BL 849 Demolition and construction of a new single-family dwelling within the 100-foot Buffer Zone Documentation: NOI Application and Plan 1/23/2013, Revised Plan 2/12/2013, Proposed Site Plan 2/19/13, and Wetland Border Report 2/26/13 Present for the Applicant: Ian Rubin, Markey & Rubin, Inc. and Scott Goddard, Goddard Consulting, LLC Motion made and seconded to continue the hearing to March 26, 2013 at the request of the applicant, 6-0 in favor. 7:54 pm Cont. Hearing – NOI, 18 Constitution Road DEP# 201-884, BL 843 Site Redevelopment within the 100-foot Buffer Zone Documentation: NOI Application and Site Plan 12/21/2012, Revised Drainage Calculations and Site Plan 1/22/2013, Revised Drainage Calculations and Site Plan 2/28/2013 Present for the Applicant: Bernard Hamill, H-Star Engineering and Indira Bhupatiraju, Homeowner Mr. Hamill proposed the Cultec system for this property. The driveway will be resurfaced and re-graded. Mr. Hamill stated that the garage and driveway runoff will be directed to the new drainage system. The siltation fence was moved up slope by 3’ and it is 28’ away from the wetlands. Mr. Hamill addressed the pre-development conditions for the pool area and added new stairs to access the backyard. The retaining wall was extended more than 5’ away from the property line to meet zoning setbacks. Mr. Hamill explained that limited fill would be used in the sewer easement area which should have no impact on the sewer pipe. He described the updated drainage summary and calculations that were provided. Comments from the Commission as follows: Ms. Miller read the Engineering report which questioned the equipment that would be used in the sewer easement and slope vegetation. The Commission recommended a condition stating that grading on the northerly property line shall be implemented by creating a swale to direct flows to the easterly part of the lot. Mr. Langseth commented on the overflow design. The normal practice is to overflow at the downspout connections unless there is a convincing reason for the proposed design. Mr. Hamill explained that it is better to direct the overflow away from the area. Mr. Langseth showed his understanding of not wanting the flows to go into the garage, but he cannot evaluate the elevations on the plan. Mr. Langseth asked for clarification on the garage elevation. The Commission stated that they wanted clear evidence that the homeowner will know the system is failing and a pipe out of site is not visible to them. Mr. Langseth commented that a condition be made for elevations of the trench drain, Cultecs, and basement to verify if it is necessary to have overflow from the Cultec chamber to the rear of the garage beyond the retaining wall. Mr. Bitsko raised concern with the Cultec chamber design only having 6” of cover. Ms. Miller read an additional Engineering report. Mr. Kennedy questioned the test pit for the location of the infiltration area. Mr. Wolk asked what was prohibiting the Cultec system from being placed deeper into the ground for more top cover. Mr. Bitsko commented that the manufacturer’s specs should be referred to for assurance. The Commission stated that a condition be made to submit the manufacturer’s specifications to verify the proposed Cultec system. Motion made and seconded to close the hearing, 7-0 in favor. PENDING MATTERS 8:22 pm Ratify Emergency Certificate: I-95 South Bound to Rt. 2 East Bound off ramp, Drainage Repairs The Commission discussed the issuance of an Enforcement Order by the Conservation Administrator for the I-95 South Bound to Rt. 2 East Bound off ramp drainage repairs. Motion made and seconded to ratify the Emergency Certificate for the I- 95 South Bound to Rt. 2 East Bound off ramp drainage repairs, 7-0 in favor. 8:25 pm Approve Compliance for Mal’s Enforcement Order 2006, Rear of 7 Mass Ave, Map 13, Lot 422 Motion made and seconded to approve compliance for the Mal’s Enforcement Order 2006 pending a site visit, 7-0 in favor. 8:29 pm Vote to Purchase Valleyfield Street Property, Map 24, Parcel 40 Motion made and seconded to approve the Commission’s purchase of the Premises for the amount of Fifteen Thousand Dollars ($15,000) and on terms and conditions acceptable to the Conservation Administrator, including that the Premises be used for conservation purposes, as the land abuts the Hayden Woods Conservation land and the purchase will preserve the character of the Hayden Woods Conservation land by expanding the contiguous conservation area, 7-0 in favor. Motion made and seconded to authorize the Conservation Administrator to take all actions on behalf of the Commission that are reasonably necessary or advisable, in the judgment of the Conservation Administrator, to purchase the Premises, including without limitation executing a Purchase and Sale Agreement, signing closing forms, documents and settlement statements, 7-0 in favor. Vote to Expend the Funds for Valleyfield Street Purchase from the Hayden Woods Conservation Trust Fund Motion made and seconded to authorize the Commission to use funds for the purchase of the Premises from the Hayden Woods Conservation Trust, 7-0 in favor. 8:31 pm Motion made and seconded to issue an Order of Conditions: 61 Solomon Pierce Road, DEP# 201-888, BL 847, 6-0 in favor. Motion made and seconded to issue an Order of Conditions: 123 Maple Street, DEP# 201-889, BL 848, 6-0 in favor. The Commission did not sign the Amended Order of Conditions for 38 Adams Street, DEP# 201-819, BL 777 due to the need for additional information for the record from the applicant on the use of certain curve numbers for the project. Motion made and seconded to issue a Certificate of Compliance: 8 Rangeway, DEP# 201-528, BL 489, 7-0 in favor. Motion made and seconded to issue a Certificate of Compliance: 101 Hartwell Avenue, DEP# 201-797, BL 755, 7-0 in favor. Appoint New Sub-Committee for Land Management Planning Purposes Motion made and seconded to appoint a new sub-committee for land management planning purposes. This sub-committee is charged with developing land management plans and associated budget needs to implement these plans and meet management and maintenance responsibilities. The members of this sub-committee are Philip Hamilton, Duke Bitsko, Stewart Kennedy, and Richard Wolk, 7-0 in favor. Reports Mr. Wolk made a report that the Conservation Administrator should reach out to the nephew for Wright Farm management this year. Site Visits for meeting on 3/26/13: The Commission scheduled site visits for Mal’s, 9 Vine Brook Road, Winthrop Road at Vine Brook Crossing, and 19 Bellflower Street on March 23, 2013. Motion made and seconded to approve the minutes from February 12, 2013, 7-0 in favor. Motion made and seconded to approve the minutes from February 26, 2013, 7-0 in favor. Motion made and seconded to approve the minutes from March 5, 2013 with minor changes, 7-0 in favor. 9:00 pm Motion made and seconded to adjourn the meeting, 7-0 in favor. Respectfully submitted, Michelle Tassi Community Development Department Assistant