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HomeMy WebLinkAbout2014-06-17 CONCOM-min TOWN OF LEXINGTON, MASSACHUSETTS CONSERVATION COMMISSION MINUTES Tuesday, June 17, 2014 6:30 P.M. Parker Room, Town Office Building 1625 Massachusetts Avenue Chair Joyce Miller opened the meeting at 6:33 pm in the Parker Room of the Town Office Building. Commissioners Present: Joyce Miller, Phil Hamilton, David Langseth, Stew Kennedy, Dick Wolk and Jane Warren Commissioners Absent: Duke Bitsko and Dick Wolk Others Present: Karen Mullins, Conservation Administrator and Michelle Morelli, Community Development Department Assistant PENDING MATTERS 6:34 pm Discussion regarding access easement and Order of Conditions for 6 Scott Road, DEP# 201-60 Ms. Mullins gave an overview of the site and commented on an access easement in the future. Mr. Kennedy gave an update of the site visit that he made. Mr. Langseth asked if the access trail would affect other property owners or only 6 Scott Road. Motion made and seconded to accept the affidavit from the homeowners at 6 Scott Road stating that the homeowners of 6 Scott Road are aware of the existence of a 20’ wide access easement running along the northeasterly boundary of the property and the Town of Lexington has the continuing right to improve the easement area and provide access by the public to the conservation land at the rear of the property at any time in the future, 5-0 in favor. Motion made and seconded to issue a Certificate of Compliance for 6 Scott Road, DEP# 201-60, 5-0 in favor. 6:43 pm Land Use Permit Application: Bowman Adventure Run, Jennifer Fujii Mr. Kennedy asked if the run occurred on the trail near Bacon Street and if so, the applicants may need to get approval from the property owners as it is a private road. Motion made and seconded to approve the land use permit application for the Bowman Adventure run on October, 26, 2014 from 11:00 am to 12:00 pm, 5-0 in favor. 6:46 pm Update on non-compliance and extension of Order of Conditions: 9 Tufts Road, DEP# 201-835, BL 793 Ms. Mullins met with the applicants on multiple occasions in order to discuss compliance on this site. Rasko and Miljana Bovan were present for this discussion. Rasko gave a description of the site and explained that during construction they encountered ledge, causing them to move the chamber. Rasko stated crushed rock was placed around the trench drain. Mr. Langseth commented on the driveway trench drain needing a sediment pot and the French drain be wrapped in fabric. Mr. Langseth stated that if it is left as is then it will need to be brought up to the standards it should have been built to. Mr. Kennedy asked about the technique used to provide the seasonal high water table data. Ms. Mullins stated a test pit is usually required. The Commission discussed the particular technique used to establish the seasonal high groundwater. Mr. Langseth would like to see the chamber reconstructed in its existing location. Ms. Mullins commented on the original plan containing 6 chambers and the new plan only containing 3 chambers. The Commission spoke about the size of the chambers, groundwater, and trench drain in front being different than the original plan. Rasko stated the calculations in the submittal back up usage of a smaller number of chambers. Mr. Langseth would like a summary document submitted showing all of the changes between the original plan versus what was actually constructed and provide a summary justification for each change. The applicant will come back to the Commission at a future date. st 7:16 pm Reschedule July 1 meeting due to quorum issue st The Commission discussed having a quorum for the July 1 meeting and will continue to hold the meeting on that specific date. 7:17 pm Motion made and seconded to issue an Order of Conditions for 79 Maple Street, DEP# 201-921, BL 881, 4-0 in favor. Motion made and seconded to issue a Certificate of Compliance for 65 Munroe Road, DEP# 201-823, BL 781, 5-0 in favor. The Commission signed the Amendment to the Order of Conditions for 80 Bloomfield Street, DEP# 201-881, BL 839. The Commission signed the Amendment to the Order of Conditions for 63 Ledgelawn Avenue, DEP# 201-862, BL 820. Motion made and seconded to approve the minutes from May 20, 2014, 5-0 in favor. 7:18 pm Motion made and seconded to approve the minutes from June 3, 2014, 5-0 in favor. 7:19 pm Meeting – 22 Rangeway, RDA DET# 14-08 Applicant: Nancy Chiu and Eric Wilker Construction of a second floor addition atop an existing house foundation within the 100-foot Buffer Zone Present for the Applicant: Steve Meyer, Architect and Mary Trudeau, Wetland Specialist Ms. Trudeau gave a description of the site and proposed work. She stated Simonds Brook as an intermittent stream and the project proposal having no soil disturbance. Comments from the Commission as follows: The Commission will not be establishing the wetland line at this time. Mr. Langseth asked if the location of the shed will change. Ms. Trudeau replied that this is phase one of project proposals at this site. The shed location and other issues will be addressed under phase two. Motion made and seconded to issue a negative determination with conditions, 5-0 in favor. 7:25 pm Meeting – 433-476 Bedford Street, RDA DET# 14-09 Applicant: Town of Bedford Department of Public Works Improvements to the existing sewer force main within the 100-foot Buffer Zone to Bordering Vegetated Wetland and 200-foot Riverfront Area Present for the Applicant: Adrienne St. John and Kristin Dowdy, Town of Bedford Public Works Ms. St. John explained the break of the sewer pipe last January due to external corrosion caused by high groundwater in the area as well as sand and salt activities. She explained the force main will be taken out of service in order to install the pipe. Ms. Dowdy explained the resource areas and two access pits to access the pipe. Compost filter tubing and catch basin silt sacks will be installed. Dewatering is proposed in the front grass area. Excavated soil will be trucked off site with staging areas off site outside of the buffer zone. Comments from the Commission as follows: The Commission discussed the pipe break and the process of installing the new pipe. Ms. St. John stated the force main gets emptied then cleaned of deposits and the liner is pushed inside. Mr. Langseth asked if any lubricants would be used to push the liner through. Ms. Mullins commented that the MWRA conducted the same process along the bike path. Motion made and seconded to issue a negative determination with conditions, 5-0 in favor. 7:35 pm Hearing – Minuteman Commuter Bikeway, NOI DEP# 201-943, BL 901 Applicant: Town of Lexington Department of Public Works Culvert replacement project within the 100-foot Buffer Zone to Bordering Vegetated Wetland and Bank Present for the applicant: Sue Harrington, GCG Associates and Dave Cannon, Town of Lexington Engineering Ms. Harrington described the proposed work to replace the existing culvert in- kind to maintain the existing water pattern. The bottom foot and a half will be filled with a natural stream bed. Comments from the Commission as follows: Mr. Kennedy asked how additional culverts that need to be replaced are identified. Mr. Cannon replied that the Town of Lexington has a stream program and a visual inspection is conducted. Ms. Mullins stated three water management studies were done by the town. Mr. Langseth asked how the size of the culvert was determined. Ms. Harrington replied that the opening of the culvert is visible as well as the sides. Currently there is no bottom to the existing culvert, so judgment in the field was used to determine a bottom elevation. Mr. Kennedy asked if tree removal would occur. Ms. Harrington replied that one tree would need to be removed. Ms. Mullins described issues with the erosion controls on the previous project. Mr. Langseth commented that the conditions state erosion control modifications may be needed. Motion made and seconded to close the hearing, 5-0 in favor. Motion made and seconded to issue an Order of Conditions for the Minuteman Commuter Bikeway, DEP# 201-943, BL 901, 5-0 in favor. 7:47 pm Hearing – Route 2 to Exit 42, NOI DEP# 201-942 Applicant: MassDOT – Highway Division Installation of fiber optics within the 100-foot Buffer Zone Present for the Applicant: Tom Daley, Gannet Fleming and a MassDOT representative from District 4 Mr. Daley presented the proposal for installation of fiber optic cables and cameras underground running from Route 2 to Exit 42 in Wakefield. Additional trenching and electrical service will be included. Three or four inch conduits will be buried underneath the ground and backfilled. Mr. Daley explained the locations of two cameras; one camera will be to the north of the Massachusetts Avenue bridge on the northbound side of Rt. 128 in which the electrical service will run underneath highway and trenched up the southbound side of Rt. 128. The second camera will be installed north of Grove Street on the southbound side of Rt. 128 with the conduit trenched out onto the paved shoulder. Comments from the Commission as follows: Mr. Langseth asked about construction sequencing in the proposal and documents differing. Mr. Kennedy asked for a clarification on the delineation of wetlands in Lexington. Mr. Daley responded to say that documents were submitted to support the idea that it is not a wetland. Ms. Mullins commented that the Commission prefers a silt sock with compost. Mr. Daley replied that the specification adheres to the silt sock with compost. Motion made and seconded to close the hearing, 5-0 in favor. Motion made and seconded to issue an Order of Conditions for Route 2 to Exit 42, DEP# 201-942, 5-0 in favor. 8:00 pm Hearing – 0 Sherburne Road, ANRAD DEP# 201-916, BL 876 Applicant: Sheldon Corporation Wetland line delineation Present for the applicant: Scott Smyers, Oxbow Associates and Todd Cataldo, Applicant Mr. Smyers submitted a revised plan for the wetland line delineation. He presented the previous delineation versus the revised delineation. An overview was given on the data sheets with soil characteristics and vegetation. Comments from the Commission as follows: The Commission discussed the need for submittal of a plan showing the previous wetland flags and the revised wetland flags. The Commission discussed other wetlands on the property, but only voting on approving the one shown on the plan. Motion made and seconded to close the hearing, 5-0 in favor. Motion made and seconded to approve the abbreviated notice of resource area delineation, 5-0 in favor. 8:13 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, Powderly and Sons Mr. Powderly presented the revised construction and planting plan. Comments from the Commission as follows: The Commission discussed the incorrect label shown for existing conditions with a discrepancy of 20’ needing to be labeled 25’. Motion made and seconded to close the hearing, 5-0 in favor. Motion made and seconded to issue an Order of Conditions for 85 Reed Street, DEP# 201-925, BL 885, 5-0 in favor. 8:20 pm Cont. Hearing – 17 Bryant Road, NOI DEP# 201-937, BL 896 Applicant: Kenneth Ansin Landscaping within the 100-foot Buffer Zone Present for the applicant: Mark Piermarini, Whitman & Bingham Associates, Tom Christopher, Christopher Environmental Associates and Kenneth Ansin, Applicant Mr. Piermarini presented the revised plan. The location of play structures and all work has been moved outside of the 50’ buffer zone. Comments from the Commission as follows: The Commission commented on the data sheets stating wetland vegetation was shown on site. The bylaw states that the wetland line is determined by soil or vegetation, whichever produces the largest wetland area. Mr. Christopher explained the previous wetland line delineated by LEC Environmental Consultants. He reviewed the wetland line with wetland vegetation and dug soil pits along the old line. Mr. Christopher stated no observation of wetland soils, only sandy loam. Mr. Kennedy asked where the wetland vegetation stops on the lot. Mr. Langseth asked for clarification on Mr. Christopher’s agreement with the LEC Environmental Consultants wetland line delineation. The orange flags were agreed with in the current proposal, the other flags were not agreed upon. Ms. Mullins suggested the 25’ no disturbance zone be adjusted on the plan. The Commission discussed not approving the proposed wetland line and adjusting the location of the no-disturb zone. Motion made and seconded to close the hearing, 4-0 in favor. Motion made and seconded to issue an Order of Conditions for 17 Bryant Road, DEP# 201-937, BL 896, 5-0 in favor. 8:47 pm Cont. Hearing – 756-758 Marrett Road, ANRAD DEP# 201-941, BL 900 Applicant: Minuteman Regional Vocational Technical High School Wetland line delineation Present for the applicant: Mary Rimmer, Rimmer Environmental Consulting Ms. Rimmer gave an overview of the existing school building and site. She explained the wetland buffer zone. Two site visits were conducted; one with the Commission and one with Ms. Mullins in which a few wetland flags were adjusted. The wetland flags D14 and D15 were shifted and E6 and E7 removed. An Abbreviated Notice of Resource Area Delineation was also filed with Lincoln. Motion made and seconded to close the hearing, 5-0 in favor. Motion made and seconded to approve the abbreviated notice of resource area delineation, 5-0 in favor. 8:52 pm Cont. Hearing – 4 Lake Street, NOI DEP# 201-940, BL 899 Applicant: Richard A. Chan, Jr. Second story addition and porch expansion within the 100-foot Buffer Zone Present for the applicant: Andrew Chan, Jr., Homeowner/Applicant Mr. Chan presented the revised plan including an overflow downspout detail and routing of water from roof leaders to an infiltration system. The data sheet samples were also submitted. Comments from the Commission as follows: Mr. Kennedy asked for a clarification of the 2-foot separation of the proposed infiltration system. Mr. Langseth asked for details on the inspection port. The Commission discussed the overflow location. Ms. Miller commented on the 25- foot buffer zone not being shown on the plan. Motion made and seconded to close the hearing, 5-0 in favor. Motion made and seconded to issue an Order of Conditions for 4 Lake Street, DEP# 201-940, BL 899, 5-0 in favor. 9:10 pm Cont. Hearing – 48 Valley Road, NOI DEP# 201-907, BL 867 Applicant: Brian Drohan Construction of an addition within the 100-foot Buffer Zone to Bordering Vegetated Wetland Motion made and seconded to continue the hearing to an unspecified date at the request of the applicant, 5-0 in favor. 9:15 pm Motion made and seconded to issue an Order of Conditions for 430 Concord Avenue, DEP# 201-938, BL 897, 5-0 in favor. 9:20 pm Reports: Bike Advisory, Community Preservation Committee, Land Steward Directors, Housing Partnership, Tree Committee, Land Management, Land Acquisition, etc. The Commission discussed the letter from an abutter regarding Mulberry Lane. th 9:23 pm Follow-up on June 10 discussion re: Turning Mill Road parking area The Commission received a letter from Bob Creech regarding a solution for parking at Turning Mill Road. Ms. Miller suggested reaching out to the Friends of Burlington Landlocked Forest. Mr. Hamilton will meet with Ms. Mullins and Ms. Schadler. 9:26 pm Motion made and seconded to adjourn the meeting, 5-0 in favor. Respectfully submitted, Michelle Tassi Community Development Department Assistant