2021-12-20-CONCOM-min - Laserfiche WebLink

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— Response to Peer Review Comments; From: Garrett Horsfall, Kelly Engineering Group, Inc.; Date: 12/13/2021; — Invasive Species Treatment and Removal Protocol; Prepared by: John P. Rockwood, EcoTec, Inc.; Date: 12/6/2021; — Test Pit Location Exhibit; Sheet No. l; Prepared by: Kelly Engineering Group, Inc.; Date: 8/20/2021 and revised 9/7/2021; — Plans to Accompany SWPPP (Phase 1); Sheet No. 1 and 2; Prepared by: Kelly Engineering Group, Inc.; Date: 12/9/2021; Mr. Garrett Horsfall, Kelly Engineering Group, Mr. Elisha Long, Trammell Crow, Mr. John Rockwood, EcoTec Inc., Mr. Jon Ouellette, Halvorson Design, and Mr. Ashok Patel, Ayushi LLC,presented to the Commission. The proposal received site plan approval from the Planning Board. It was asked where the paved driveway runoff will go and Mr. Horsfall answered that all paved surface runoff will go to the water quality device or the bioretention area, and that a majority will be brought through the infiltration system. Mr. Horsfall informed the Commission that the project team has met extensively with the Lexington Fire Department, who agree that the emergency access road is required around the entire building. Ms. Mullins stated that, for the proposed project at 475 Bedford Street, the Fire Department determined that an access road around the entire building was not necessary. Mr. Eli Long reiterated that the project team has spent a lot of time discussing with the Fire Department and making adjustments, but cannot eliminate the need for the access road. Ms. Mullins stated that the Commission received the second review from the peer reviewer, Environmental Partners. Environmental Partners, within the review, stated that additional test pits should be performed and they did not think the current amount was sufficient for the 5 subsurface systems. Kelly Engineering Group has agreed to have an inspection at the time the systems are installed. Kelly Engineering Group has also agreed to update the pipe size on the site plan as requested by Environmental Partners. Mr. Horsfall stated that he will have a Stormwater Pollution Prevention Plan (SWPPP)prepared and submitted for the next meeting. On a motion by Mr. Hamilton and seconded by Ms. Dohan, the Commission voted 7-0 by roll call vote to continue the hearing to the January 10, 2022 meeting at the applicant's request. Record of vote as follows: Duke Bitsko—Aye Kevin Beuttell —Aye Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye