2020-07-27-CONCOM-min - Laserfiche WebLink

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Project: Construction of accessory apartment addition and attached garage to single-family dwelling Documentation Submitted.- Site ubmitted:Site Plan, dated June 81 2020 by Fredrick Russell, PE Letter to Conservation Commission, dated June 26, 2020 prepared by David Sperduto, PLS Photographs of site Stormwater Analysis, dated June 8, 2020 prepared by Frederick Russell, JR Mr. David Sperduto, representative for the applicant, Mr. Richard McDonough, presented before the Commission. The applicant is proposing to infiltrate the additional impervious area that is created by the addition and an additional driveway area. The stormwater analysis was done by Mr. Frederick Russell. There is a net decrease in the peak flow and volume of runoff for all the storms, including 1-year, 2-year, 50-year and 100-year. Questions from the Commission: — Where does the new driveway expansion drain to? — Is there driveway on top of the infiltration system? — Where is the entry to the garage? Response from the Representative: — Everything currently drains to one point and the proposed driveway has asphalt that will carry any runoff to a drain inlet at a downward slope. The topography is leading to the drain inlet. — Yes, if you mean vertically on top of it. There is existing driveway from the top left corner of the plan by the entrance to the street. — The entry to the garage is on the top right of the proposed addition, as shown on the plan. The additional parking is necessary for the accessory apartment. Ms. Mary Ellen Maloney, property owner of 44 Fletcher Avenue, asked if the hedge was going to remain between her property and 83 Grant Street. Mr. Sperduto answered that the applicant is not proposing to remove the hedge, and that there will actually be a 10-20 percent reduction in the water flow at the bottom of the driveway towards her property. On a motion by Ms. Ladd and seconded by Mr. Langseth, the Commission voted 5-0 by roll call vote to approve the applicant's request for a continuance to the next meeting on August 10, 2020. Record of vote as follows: Duke Bitsko —Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Philip Hamilton—Aye (1:04:08 for LexMedia Recording)