2021-09-27-CONCOM-min - Laserfiche WebLink

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Record of vote as follows: Kevin Beuttell —Aye Alex Dohan—Aye Ruth Ladd—Aye David Langseth—Aye Holly Samuels —Aye Phil Hamilton—Aye 7:25 PM Amendment to Order of Conditions: 609 Waltham Street ViewPoint Cloud Permit#AOOC-21-8, DEP#201-1224, CNOI-21-19 Applicant/Property Owner: Shailesh Prajapati Project: adding an overflow drain inlet on the porous pavement to avoid ponding in the barn and proposed addition; maintaining a 7.5-foot distance between the porous pavement and the barn; increasing the distance separating the barn from the infiltration system to 11.7 feet; adding a note to the revised Site Plan requiring a structural engineer visit the site to confirm suitability of the site to accommodate the system; modify the depth of excavation to minimize soil to be removed; and a reduction in the drainage system footprint Documentation Submitted.- - ubmitted:— Letter Describing Request and attachments; From: Richard A. Kirby, LEC Environmental Consultants, Inc. ("LEC'); To: Lexington Conservation Commission; Re: Request for Amended Order of Conditions; Date: 9/7/2021; Mr. Richard Kirby, LEC Environmental Consultants, and Mr. Pedro Shimizu, assistant engineer at Gala Simon Associates,presented to the Commission the proposed changes to the infiltration system. Questions and Comments from the Commission: — Can you explain what an overflow drain inlet is? Responses from the Representative: — The overflow drain inlet is installed to avoid ponding on top of the porous pavement. There will be a grate at the surface of the pavement and will pipe to the cultec system. This has been sized to handle the overflow. On a motion by Ms. Dohan and seconded by Ms. Ladd, the Commission voted 6-0 by roll call vote to close the hearing. Record of vote as follows: Kevin Beuttell —Aye Alex Dohan—Aye Ruth Ladd—Aye