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Home My WebLink About2014-08-18 CONCOM-min TOWN OF LEXINGTON, MASSACHUSETTS CONSERVATION COMMISSION MINUTES Monday, August 18, 2014 6:30 P.M. Parker Room, Town Offices Building 1625 Massachusetts Avenue Chair Joyce Miller opened the meeting at 6:35 pm in the Parker Room of the Town Offices Building. Commissioners Present: Joyce Miller, Duke Bitsko, Phil Hamilton and Dick Wolk Commissioners Absent: David Langseth Others Present: Karen Mullins, Conservation Administrator and Michelle Morelli, Community Development Department Assistant PENDING MATTERS 6:37 pm Plan change approval: 17 Bryant Road, DEP# 201-937, BL 896 Ms. Mullins explained the plan change to re-locate the wall for aesthetic purposes. The wall will be over 50’ away from the wetlands at its closest point. Monuments will be installed along the 50-foot buffer to demarcate the do not disturb boundary as well as native plantings within the 50-foot buffer. Motion made and seconded to approve the plan change as described, 5-0 in favor. 6:39 pm Plan change approval: 2 Brookside Ave (formerly 520 Waltham St), DEP# 201- 924, BL 884 Ms. Mullins described the proposed plan change to construct a paver patio instead of a previously approved deck within the 200-foot Riverfront Area. All details were submitted by the applicant. Motion made and seconded to approve the plan change as described, 5-0 in favor. 6:40 pm Discussion of plan change for 36 Sanderson Road, DEP# 201-898, BL 857 Mr. Walter Beebe-Center was present for this discussion. Ms. Miller read the engineering report which stated, “The project has been modified in a minor way that does not affect our previous comments.” The proposed plan change includes reducing the footprint of the previously approved addition and it has been relocated outside of the 50-foot buffer zone. Motion made and seconded to approve the plan change as described, 5-0 in favor 6:42 pm Compliance discussion and plan change approval: 2 Diamond Road (19 Grove Street), DEP# 201-900, BL 859 Rich Kirby, LEC Environmental Consultants and Mike Novak, Meridian Associates were both present for this discussion. The discussion included changes that were made to the plan that were implemented without prior authorization. Mr. Kirby updated the Commission on the plantings in the wetland restoration area. Mr. Novak gave an explanation of the deviations from the original approved plan and as-built. Mr. Hamilton asked if the changes came in front of the Commission for approval. Mr. Wolk asked how the applicant capped the pipes that are in-letting to the wetland drain. The applicant used a cap/sleeve. The Commission questioned the mowing of the area in which the restoration took place. Gregory Matteosian, homeowner, commented on the addition of 20 trees and 64 plants. Mr. Matteosian stated the outlet pipe from the wetland drain crosses under the driveway and reconnects into the catch basin. Mr. Wolk suggested collecting factual data via a snake. Mr. Novak will submit documentation for mitigation. Motion made and seconded for the request of an Amendment to the Order of Conditions, 5-0 in favor. 7:19 pm Cont. Hearing – Lot 186E & Oakmount Circle, NOI DEP# 201-939, BL 898 Applicant: Merek Franklin, Copley Design Construction of a single-family dwelling with underground utilities and paving of a portion of Oakmount Circle within the 100-foot Buffer Zone to Bordering Vegetated Wetland of Granny Pond at Lot 186E and a portion of the right-of-way of Oakmount Circle Present for the Applicant: Dan Orwig, Orwig Associates and Merek Franklin, Applicant Mr. Orwig presented the revised plan including one tree to be removed, buffer plantings, and revised drainage calculations. The retaining walls will be designed by a structural engineer. Comments from the Commission as follows: Ms. Miller read the engineering report which stated, “The latest revision provides infiltration structures to handle the runoff from the new proposed paved roadway. The calculations appear to be correct. No revisions suggested by Engineering. Final recommended condition is that a professional engineer be retained to prepare as-built drawings as the site work progresses. Changes noted as the work progresses must be brought to the attention of the commission or designee. Contractor must provide runoff control during construction.” Jeff Kwass of 4 Oakmount Circle asked if the road would widen due to the Planning Board decision. The road will be widened by one foot, causing removal of one tree. Motion made and seconded to close the hearing, 5-0 in favor. 7:27 pm Cont. Hearing – 24 Lincoln Street, NOI DEP# 201-948, BL 906 Applicant: Josiah Willard Hayden Recreation Centre, Inc. Reconstruction and improvement of an existing parking lot, access driveway and stormwater management system within the 100-foot Buffer Zone to Bordering Vegetated Wetland Present for the Applicant: Rich Kirby, LEC Environmental Consultants, Mike Novak, Meridian Associates, and Gary Larson, Landscape Architect Mr. Kirby explained the revised plan and modification to the operations and maintenance plan. Comments from the Commission as follows: Mr. Bitsko asked for ½ size plan sets for submittal and commented on the thoroughness of the operations and maintenance plan. Motion made and seconded to close the hearing to, 5-0 in favor. Motion made and seconded to issue an Order of Conditions for 24 Lincoln Street, DEP# 201-948, BL 906, 5-0 in favor. 7:34 pm Cont. Hearing – 40 Ingleside Road, NOI DEP# 201-947, BL 905 Applicant: Joseph Simon Construction of a garage addition and expansion of an existing driveway within the 200-foot Riverfront Area Present for the Applicant: Rich Kirby, LEC Environmental Consultants Mr. Kirby explained the revised plan and updated operations and maintenance plan. Comments from the Commission as follows: Mr. Bitsko suggested use of the wording for sediment removal from the operations and maintenance plan submitted for 24 Lincoln Street. Motion made and seconded to close the hearing, 5-0 in favor. 7:43 pm Cont. Hearing – 66 Munroe Road, NOI DEP# 201-946, BL 904 Applicant: Ying Chen Raze and rebuild a single-family dwelling and paved driveway within the 100- foot Buffer Zone to Bordering Vegetated Wetland Present for the Applicant: Rich Kirby, LEC Environmental Consultants and Ying Chen, Homeowner Mr. Kirby presented the revised plan and explained the proposed work versus the existing conditions. The shed will be removed from the 25-foot buffer zone. Comments from the Commission as follows: Ms. Miller read the additional information needed from the previous hearing. Mr. Wolk asked the basement floor elevation and estimated seasonal high groundwater level. Mr. Kirby replied that the basement floor is 2 feet above the seasonal high groundwater level. Ms. Miller read the engineering report which states, “This plan was modified to move the proposed construction away from the sewer easement. It appears that the modification is sufficient to protect the easement and the pipe. A small amount of grading takes place on the easement and can be permitted. The revisions do not affect the drainage calculations. Ms. Miller asked if off-site mitigation was investigated. Mr. Kirby replied that an extensive restoration is being done in the area. Motion made and seconded to close the hearing, 5-0 in favor. 8:01 pm Cont. Hearing – 207 East Street, NOI DEP# 201-945, BL 903 Applicant: Baoxing Zhu Construction of two sunrooms, a deck and stairs within the 100-foot Buffer Zone Present for the Applicant: Mary Trudeau, Wetland Scientist Ms. Trudeau explained the revised plan and soil test pit data. The bounds markers are proposed for installation, the shed will be relocated outside of the 25- foot buffer zone, and an operations and maintenance plan submitted. Comments from the Commission as follows: Ms. Mullins commented a compost filter mitt is typically used for an erosion control. Mr. Bitsko stated that straw wattles are okay for the scope of work proposed. Motion made and seconded to close the hearing, 5-0 in favor. 8:14 pm Motion made and seconded to issue a Certificate of Compliance for 361 North Emerson Road, DEP# 201-905, BL 865, 5-0 in favor. Motion made and seconded to issue a Certificate of Compliance for 123 Maple Street, DEP# 201-889, BL 848, 5-0 in favor. The Commission postponed issuing a Certificate of Compliance for 9 Brigham Road, DEP# 201-815, BL 773. 8:21 pm Reports: Bike Advisory, Community Preservation Committee, Land Steward Directors, Housing Partnership, Tree Committee, Land Management, Land Acquisition, etc. Ms. Mullins suggested that the Commissioners start thinking about potential budget items for the fall budget session. The Commission postponed approving the minutes from July 31, 2014. 8: 30 pm Motion made and seconded to adjourn the meeting, 5-0 in favor. Respectfully submitted, Michelle Morelli Community Development Department Assistant