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HomeMy WebLinkAbout2012-03-20 Planning Board Supplemental Materials (125) Eggleston Environmental 32 Old Framingham Rd Unit 29 Sudbury MA 01776 tel 508.259.1137 fax 866.820.7840 March 12, 2012 North Andover Planning Board 1600 Osgood Street North Andover, MA 01845 Attn: Judy Tymon, Town Planner North Andover Conservation Commission 1600 Osgood Street North Andover, MA 01845 Attn: Jennifer Hughes, Conservation Coordinator RE: Stormwater Management Review 102 Peters Street Dear Ms. Tymon and Ms. Hughes: In follow up to my most recent (February 24, 2012) comments on the above-referenced project I have received and reviewed the February 28, 2012 response from Andover Consultants Inc. With these latest revisions, all of my previous comments on the project have now been satisfactorily addressed and I have no further comments at this time. The project as proposed complies with North Andover’s zoning requirements for Site Plan Review with respect to drainage, and largely complies with the stormwater management requirements of the Massachusetts Wetlands Protection Act (WPA) and the North Andover Wetlands Bylaw; the one exception being that there may be times during high groundwater conditions when the volume of water retained and treated onsite is less than the ½-inch water quality volume for the project. As indicated in Andover Consultants’ response, the discharge from the parking lot drainage system is located outside of Conservation Commission jurisdiction and full compliance with the DEP Standards (e.g. by ensuring that 80 percent TSS removal is provided even during seasonal high groundwater) is not strictly required. The zoning requirements for Site Plan Review do not address water quality. Once again, I appreciate the opportunity to assist the North Andover Planning Board and Conservation Commission with the review of this project, and hope that this information is suitable for your needs. Please feel free to contact me if you or the applicants have any questions regarding the issues addressed herein. Sincerely, EGGLESTON ENVIRONMENTAL Lisa D. Eggleston, P.E.