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Home My WebLink About2021-06-21-CONCOM-min Jg MORN/N PCO O p,Q ; �w PUBLIC MEETING MINUTES Conservation Commission APR]L 19TH Meering broadcasted by LexMedia LFX114 GT O� AGENDA Monday,June 21, 2021, 6:30 p.m. This Conservation Commission meeting was held remotely via Zoom, an online meeting platform. Public Participation via calling in or using your computer was encouraged and a recording will be available through LexMedia as soon as possible after the meeting. Commissioners Present: Alex Dohan, Philip Hamilton, Ruth Ladd, David Langseth and Holly Samuels (Not present: Duke Bitsko and Kevin Beuttell) Associate Members Present: Vinita Bose and Jason Hnatko Staff Present: Karen Mullins, Conservation Director and Meghan McNamara, Department Assistant 6:30 PM New Business/Pendine Matters Conservation Plan Modification/Insignificant Plan Change: 72 Kendall Road, DEP4201-1170, CPM-21-11, CNOI-19-32 Mr. Lane Goldberg, Attorney, and Mr. Chi Man, Project Engineer, presented before the Commission. The property owner, Mr. Denny Zheng, is requesting to install the FENO markers further away from the dwelling as it is in close proximity to the home and restricts the use of the existing lawn area compared to similar properties in the neighborhood. The applicant will provide more information on the requested mitigation measures at the next scheduled meeting. Conservation Plan Modification/Insignificant Plan Change: Arlington Reservoir, DEP4201- 1204, CPM-21-12 CNOI-20-33 This request was not heard and will be continued to the July 6, 2021 meeting at the applicant's request. 7:01 PM Conservation Plan Modification/Insignificant Plan Change: 11 Kay Tiffany Wax, DEP4201- 1183, CPM-21-13, BL# 130 On a motion by Mr. Langseth and seconded by Ms. Ladd, the Commission voted 5-0 by roll call vote to approve this as an Insignificant Plan Change. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 7:02 PM Conservation Plan Modification/Insignificant Plan Change: 1010 Waltham Street, DEP4201- 1066, CPM-21-14, BL41023 Ms. Dohan recused herself from the discussion and vote. On a motion by Mr. Langseth and seconded by Ms. Samuels, the Commission voted 4-0 by roll call vote to approve this as an Insignificant Plan Change. Record of vote as follows: Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 7:08 PM Request for Extension to the Order of Conditions: 1010 Waltham Street(Brookhaven), ViewPoint Cloud Permit# EXTO-21-6, DEP4201-1066, BL41023 On a motion by Mr. Langseth and seconded by Ms. Ladd, the Commission voted 4-0 by roll call vote to approve the 1 year extension request to the Order of Conditions (9/26/2021 to 9/26/2022). Record of vote as follows: Alex Dohan—Recused Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 7:09 PM New Public Meetings/Hearings ViewPoint Cloud Permit# CN0I-21-24, DEP#201-1228 Notice of Intent: 17 Coolidge Avenue Applicant: Daniel Moeller, Metrowest Builders LLC Property Owner: John A Tagliomonte and Susan Abigail Janes Project: raze and rebuild single family dwelling within the 100-foot buffer zone Documentation Submitted.- - ubmitted:— "Site Plan 17 Coolidge Avenue in Lexington, Massachusetts"; Sheet 1 of l; Prepared for: Metrowest Builders LLC; Prepared, stamped and signed by: Frederick W. Russell, PE Civil No. 36713; Scale: 1"=20' and not to scale; Date: 6/l/2021; — "WPA Form 3 Notice of Intent" application; Prepared for the applicant: Metrowest Builders LLC; Prepared by: Mary Trudeau; Not signed; Not dated; — "Stormwater Analysis"; Prepared, stamped and signed by: Frederick W. Russell; Date: 6/l/2021; — Letter; From: Mary Trudeau, Wetlands Consultant; To: Metrowest Builders LLC; RE: 17 Coolidge Avenue, Lexington, MA Wetlands Delineation; Date: 5/17/2021; — "As-Built Site Plan" Locus: 38 Adams Street; Sheet 1 and 2 of 2; Prepared for: Ric and Jane Fulop; Prepared by: Medford Engineering & Survey; Stamped and signed by: Richard J. Mede Jr., PLS No. 36864; Date 1/15/2020; — "National Flood Hazard Layer FIRMette"; Provided by: FEMA; Date exported: 5/10/2021; Ms. Mary Trudeau, Wetland Consultant, presented to the Commission on behalf of the Applicant, Metrowest Builders LLC. Questions and Comments from the Commission: — The spot grade elevations are very faint on the site plan and the elevations need to be made clear during the pre-construction meeting. — Right side of plan- there's a steep slope that looks like it will shed more water than is currently flowing. The Commission commonly asks for a Swale or some control. Something to manage the additional water shedding off the property line. — Existing driveway is on the paper street; should Lexington Engineering weigh in on if loam and seed should be put down, or gravel? Responses from the Representative: — Can include the spot grade elevations as a plan change or as a condition Ms. Jane Chen Fulop and Mr. Ric Fulop: 38 Adams Street Abutters: — Some trees on the border of the properties are quite mature. Don't understand why they need to be removed. — Concerned about the runoff and also the pesticides/herbicides that the neighbors may use. — Why is the proposed house sitting closer to the wetlands? — Request clarity on what is happening to the paper street and driveway. Responses from the Representative: — Don't expect any alterations to the paper street that is currently gravel. — Two trees to the south are mature white pines. Neither is in great condition and believe it will benefit the oak to have the pines removed. — All of the impervious cover in the future conditions will be connected to the infiltration system or a trench drain at the front of the property. On a motion by Mr. Langseth and seconded by Ms. Ladd, the Commission voted 5-0 by roll call vote to continue the hearing to the July 6, 2021 meeting at the applicant's request. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 7:38 PM ViewPoint Cloud Permit# CN0I-21-25, DEP#201-1229 Notice of Intent: 8 Camellia Place Applicant/Property Owner: Denis Tremblay, Tremblay Real Estate Trust Project: remove existing bituminous concrete surface within the existing parking lot, restore sub- base where needed, install vertical granite curbing, Cape Cod berm, pervious concrete walk and resurface the parking area within the 100-foot buffer zone to Bordering Vegetated Wetlands Documentation Submitted.- - ubmitted:— "Site Plan of Land in Lexington, Massachusetts"; Locus: 8 Camellia Place; Prepared for: Tremblay Real Estate Trust; Prepared by: Hancock Associates; Stamped and signed by: John Lawrence Noonan, PE Civil No. 36821; Date: 3/25/2021; — Photographs of site; Not dated; — "WPA Form 3 —Notice of Intent" application; Prepared for: Denis Tremblay Real Estate Trust; Prepared by: John Noonan, Noonan & McDowell; Signed 5/26/2021 and 5/27/2021; — "Existing Conditions Plan at 8 Camellia Place in Lexington, Massachusetts"; Prepared by: Atlantic Engineering & Survey Consultants Inc.; Stamped and signed by: John B. Paulson, PLS No. 31725; Scale: 1"=20% Date: 3/24/2021; — "Stormwater Review and Management" and "Maintenance Plan"; Not dated; — Project Narrative; Not dated; — Delineation Report; Prepared for: 10 Camellia Place, Lexington, MA; Prepared by: Basbanes Wetland Consulting; Date: 10/21/2020; — Soil Map and Hydrologic Soil Group; Provided by: USDA Natural Resources Conservation Service; Date Prepared: 3/31/2021; — National Flood Hazard Layer FIRMette; Provided by: FEMA; Date exported: 5/5/2021; Mr. John Noonan, Hancock Associates, presented on behalf of the Applicant. Questions and Comments from the Commission: — Request that the Applicant look to see what stormwater improvements are feasible. This is an opportunity for the next 30 years to improve stormwater management. — How are the existing catch basins functioning and how are they being maintained? Responses from the Representative: — The new walkway to the house is reducing the amount of impervious surface because it is being replaced with pervious surface. — The catch basins are performing very well. The catch basin has a PVC trap similar to a septic system and a vacuum unit pumps out the contents twice a year. On a motion by Mr. Langseth and seconded by Ms. Ladd, the Commission voted 5-0 by roll call vote to close the hearing. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 7:59 PM ViewPoint Cloud Permit# CN0I-21-26, DEP#201-1227 Notice of Intent: 42 Ingleside Road Applicant: Paige Vincent, Home Renovations DBR, Inc. Property Owner: Joseph Simon Project: construct an addition to a single-family dwelling within the outer portion of`Previously Developed' Riverfront Area associated with Munroe Brook. Documentation Submitted: — "Drainage Plan"; Sheet C-0 and C-1; Prepared by: Gala Simon Associates, Inc.; Stamped and signed by: Alberto M. Gala, PE Civil No. 36434; Scale: 1"=20' and not to scale; Date: 5/4/2021; — "Engineering Drainage Calculations for 42 Ingleside Road; Prepared by: Gala Simon Associates, Inc.; Stamped and signed by: Alberto M. Gala, PE; Date: 5/4/2021; — "Notice of Intent Application and Wetland Resource Area Analysis" and attachments; Prepared for Applicant: Home Renovations DBR, Inc.; and Property Owner: Joseph Simon; Prepared by: LEC Environmental Consultants, Inc.; Date: 6/l/2021; Ms. Julia Hoogeboom, LEC Environmental, presented before the Commission along with Project Engineer, Mr. Al Gala. The Applicant is proposing to restore roughly 500 square feet of the rear yard with native shrubs and is also open to a Condition to remove the invasive Bittersweet to further restore the Riverfront Area. Mr. Gala informed the Commission that the site plan should include a handicap accessible ramp located between the subsurface infiltration system and the bulkhead. Mr. Gala added that the ramp is to be made of pressure treated wood and considered permeable. Questions from the Commission: — How high is the ground surface above the stream? — Will there be crushed stone underneath the ramp? Responses from the Representative: — The ground surface above the stream is between 96.3 and 96.8 — Found sand where you would also expect to see water — Yes we will add crushed stone underneath the ramp. On a motion by Ms. Ladd and seconded by Mr. Langseth, the Commission voted 5-0 by roll call to close the hearing. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 8:15 PM ViewPoint Cloud Permit#AOOC-21-4, DEP#201-1200, CNOI-20-30 Amendment to the Order of Conditions: 18 Winthrop Road Applicant/Property Owner: Donald and Elizabeth Briggs Project: modifications to the approved stormwater infiltration system and associated site grading and retaining wall design associated with an addition project for the single-family dwelling on the property Documentation Submitted: — "Amended Order of Conditions Request" and attachments; Prepared for Applicant/Property Owners: Donald and Elizabeth Briggs; Prepared by: LEC Environmental Consultants, Inc.; Date: 6/l/2021; — Existing Conditions Plan (Sheet C-1, unmodified); Site Plan (Sheet C-2); Detail Plan (Sheet C-3); Dated May 25, 2021; Prepared by: Eaglebrook Engineering & Survey, LLC; — "Stormwater Analysis & Calculations"; Prepared by Eaglebrook Engineering & Survey, LLC; Date: 11/9/2020 and revised 5/25/2021; Mr. Michael Juliano, Eaglebrook Engineering, presented before the Commission. The Applicant is proposing to modify the infiltration system from perforated pipes to a Cultec chamber system and relocate the system from the south of the proposed garage to the east. Mr. Juliano added that the new system has more flexibility since it is no longer constrained to only the side yard and they were also able to reduce the retaining wall by about 50 percent. On a motion by Mr. Langseth and seconded by Ms. Samuels, the Commission voted 5-0 by roll call vote to close the hearing. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 8:23 PM ViewPoint Cloud Permit# CN0I-21-27, DEP#201-#### Notice of Intent: 0 Lowell and 0 Maple Street (next to Harrington Elementary School) Applicant/Property Owner: Town of Lexington Engineering Project: install a constructed stormwater wetland system within the wooded area next to Harrington Elementary School and a subsurface infiltration system under the existing fields to address local flooding and improve water quality. Other measures include native plantings and invasive species control, as well as open space and recreational enhancements. Documentation Submitted.- - ubmitted:— "Mystic River Watershed, 0 Lowell Street and 0 Maple Street, Lexington, Massachusetts"; Permitting Planset; Sheet 1 thought 12 of 12; Prepared for: Town of Lexington; Prepared by: Horsley Witten Group, Inc.; Stamped and signed by: Richard A. Claytor, PE Civil No. 45116; Date: May 2021; — "Upper Mystic Stormwater Wetlands Project" and attachments; Prepared by: Horsley Witten Group, Inc.; Prepared for: Town of Lexington; Date: June 2021; — "Stormwater Management Report"; Prepared by: Horsley Witten Group, Inc.; Prepared for: Town of Lexington; Date: May 2021; Ms. Lori Kennedy, Ms. Amy Ball, and Ms. Jennifer Relstab, Horsley Witten Group,presented on behalf of the Applicant, Lexington Engineering. Questions and Comments from the Commission: — Will you be able to potentially save any of the native shrubs? — Will there be any monitoring to document the water quality improvements? — What is the timeline? Responses from the Commission: — We will try to save the native shrubs. Proposing to plant spicebush to restore the native habitat in the area. — Water quality monitoring is not included in the proposal. — There is no timeline yet. The estimated cost is several million dollars and need to secure grant sources before providing a timeline. On a motion by Ms. Samuels and seconded by Mr. Langseth, the Commission voted 5-0 by roll call vote to continue the hearing to the July 6, 2021 meeting at the applicant's request. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 8:39 PM Continued Public Meetings/Hearings ViewPoint Cloud Permit# CNOI-21-20, DEP#201-#### Notice of Intent: 75 Concord Avenue Applicant/Property Owner: American Towers LLC Project: to perform a boardwalk repair, fence installation and vegetation maintenance around the AM radio tower site within the 100-foot Buffer Zone to Bordering Vegetated Wetlands Previous Meeting Date: 5/24/2021 Supplemental Documentation: None *Applicant has requested a continuance to the July 6, 2021 meeting On a motion by Ms. Samuels and seconded by Mr. Langseth, the Commission voted 5-0 by roll call vote to continue the hearing to the July 6, 2021 meeting at the applicant's request. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 8:41 PM Viewpoint Cloud Permit#AOOC-21-3, DEP#201-1138, BL# 1095 Request for Amendment to Order of Conditions: 11 Sherburne Road Applicant: 11 Sherburne Road, LLC Property Owner: 11 Sherburne Road LLC c/o DND Homes LLC Project: Increase in square footage of roof area and walkway, and increase in size of approved drainage system Previous Meeting Dates: 5/24/2021 Documentation Submitted: None Mr. Frederick Russell, Project Engineer, presented the amendment request before the Commission. The Town of Lexington Engineering Department confirmed that the additional stormwater runoff can be adequately captured in the drainage system. On a motion by Mr. Langseth and seconded by Ms. Ladd, the Commission voted 5-0 by roll call vote to close the hearing. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 8:43 PM ViewPoint Cloud Permit# CN0I-21-21, DEP#201-1226 Notice of Intent: 95 Hayden Avenue Applicant: Town of Lexington Engineering Property Owner: 95 Hayden LLC, c/o Hobbs Brook Management, LLC Project: wastewater pump station upgrades Previous Meeting Date: 6/7/2021 Supplemental Documentation: None Mr. William Manuell, Wetlands & Land Management, Inc.,presented before the Commission along with Mr. Marc Moccio and Mr. Derek Costa, Wright-Pierce. Mr. Manuell stated that the utility company is requiring a new transformer at the site and this has been updated on the site plan. This plan does not show the required underground trenching and the Commission has requested this information before closing the hearing. On a motion by Mr. Langseth and seconded by Ms. Dohan, the Commission voted 5-0 by roll call vote to continue the hearing to the July 6, 2021 meeting at the applicant's request. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 8:52 PM ViewPoint Cloud Permit# CN0I-21-22, DEP#201-1225 Notice of Intent: 0 Adams Street (Map 69, Lot 10013) and North Street Conservation Area Applicant: Town of Lexington Engineering Property Owner: Town of Lexington Project: wastewater pump station upgrades Previous Meeting Date: 6/7/2021 Supplemental Documentation: None On a motion by Mr. Langseth and seconded by Ms. Samuels, the Commission voted 5-0 by roll call vote to close the hearing. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 8:57 PM New Business/Pendine Matters, Continued Request for Partial Certificate of Compliance—6 Blinn Road, ViewPoint Cloud Permit4COC- 21-13, DEP4201-1126, BL41083 Ms. Mullins stated that the as-built plan does not contain up to date information and this will be continued to a meeting at a later date. 14 Village Circle update on enforcement order, violation of patio work without Conservation approval Mr. Mark Arnold, Goddard Consulting, presented on behalf of the property owner. A Commission member asked if it is feasible for the property owner to restructure part of the patio or shift it away from the wetlands or at least outside of the 25-foot buffer zone. A Commission member noted that the plan shown to the Commission does not show the new wetland flags. It was agreed that they could be shown based on tape measurements. 15 Volunteer Way - Ashok Patel, update on expansion of work limit and changes to the site within the 100-foot buffer zone Ms. Mullins met with the property owner, Mr. Ashok Patel, on site along with the project team. Ms. Mullins confirmed that the stormwater bylaw permit applies. Issue Order of Conditions: 13 Hancock Avenue, ViewPoint Cloud Permit# CNOI-21-18, DEP4201-1223 On a motion by Ms. Dohan and seconded by Mr. Langseth, the Commission voted 5-0 by roll call vote to issue the Order of Conditions. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 9:22 PM Issue Order of Conditions: 609 Waltham Street, ViewPoint Cloud Permit# CNOI-21-19, DEP4201-1224 On a motion by Ms. Ladd and seconded by Ms. Samuels, the Commission voted 5-0 by roll call vote to issue the Order of Conditions. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 9:23 PM Vote Conservation Commission Appointment to Community Preservation Committee for the term of 6/2021 to 6/2023 On a motion by Ms. Dohan and seconded by Ms. Ladd, the Commission voted 5-0 by roll call vote to approve the reappointment of Mr. David Langseth to the Community Preservation Committee. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 9:23 PM Schedule site visits for 7/6/2021 (Tuesday) meeting The site visits will take place at 5:00 PM on Monday, June 28, 2021. Approve minutes: 5/24/2021, 6/7/2021 On a motion by Mr. Langseth and seconded by Ms. Dohan, the Commission voted 5-0 by roll call vote to approve the Minutes of the May 24, 2021 meeting. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 9:29 PM On a motion by Mr. Langseth and seconded by Ms. Dohan, the Commission voted 5-0 by roll call vote to approve the Minutes of the June 7, 2021 meeting. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 9:30 PM Reports: Bike Advisory, Community Gardens, Community Preservation Committee, Greenway Corridor Committee, Land Acquisition, Land Management, Land Steward Directors, and Tree Committee, HIP Working Group Staff will work to schedule a public hearing on the proposed buffer zone regulations. On a motion by Ms. Ladd and seconded by Ms. Samuels, the Commission voted 5-0 by roll call vote to adjourn the meeting at 9:30 PM. Record of vote as follows: Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 9:30 PM Respectfully Submitted, Meghan McNamara Conservation Department Assistant Approved: 7/6/2021 Archived: 7/7/2021