2022-03-21-Concom-min - Laserfiche WebLink

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Project: redevelopment of an existing sports and tennis club building with a 4-story lab/R&D facility with pedestrian access, outer amenity space, and a parking garage within a Bordering Vegetated Wetland, two Isolated Vegetated Wetlands, the 100-foot buffer zone to Bordering Vegetated Wetlands, and the 100-foot buffer zone to Isolated Vegetated Wetlands Documentation Submitted.- - ubmitted:— "475 Bedford Street Proposed Redevelopment" and attachments; Prepared by: VHB; Prepared for: Cresset Lexington LLC; Date: March 2022; — "Site Plans"; Cover Sheet, Sheet C1.00 "Legend and General Notes", Sheet C2.00 "Site Preparation and Erosion Control Plan", Sheet C3.00 "Grading and Drainage Plan", Sheet C4.00 "Site and Construction Details", Sheet C5.00 `Buffer Area Comparison Plan", Sheet L1.00 "Site Planting Plan", Sheet E1.00 "Site Resource Area Plan", and Sheet E2.00 "Wetland Replication Plan And Details"; Prepared by: VHB; Date: 3/l/2022; — Stormwater Report"475 Bedford Street Proposed Redevelopment" and "Stormwater Operation and Maintenance Plan"; Prepared by: VHB; Date: March 2022; — "Photography Log"; Locus: 475 Bedford St, Lexington, MA; Prepared by: VHB; Date or photographs: April 2021; Mr. Hamilton recused himself because he is an abutter of this property. Mr. Ed Nardi, Cresset Development, Ms. Laura Laich, VHB, and Mr. Sean Colella, VHB, presented to the Commission. Questions and Comments from the Commission: — There are ash trees on the wetland plant list. This is not a species we should be planting, but open to other opinions. Many ash trees in Lexington are compromised. — There isn't a lot of rooting volume in the parking lot landscape islands and there may be height restrictions which could influence the species chosen. There may be better native species to select. — Recommend planting herbaceous plant plugs, either quarts or gallons, rather than a seed mix to establish the wetland replication areas. — The Operation & Maintenance Plan says both salt and sand will be used. How will that be managed long term? — Would prefer at least a three-year monitoring period for the replication plantings. Responses from the Representative: — Planting ash trees does differ from community to community, and the goal is to plant a tree to shade out the invasive species. This can be changed based on the Commission's preferences. — Will plant plugs plus seed mix as necessary in the wetland replication areas. The Conservation Commission will hire an outside peer consultant to review the proposed stormwater management. On a motion by Ms. Dohan and seconded by Ms. Samuels, the Commission voted 5-0 by roll call vote to continue the hearing to the April 19, 2022 meeting.