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• Septic upgrade to I/A system for existing 4-bedroom home <br /> • No increase in bedrooms or flow <br /> • Nitrogen loading calculations provided and are below threshold of 19 ppm under <br /> Regulation 30 <br /> • Three trees proposed to be removed. Agent recommends 1:1 mitigation of trees removed <br /> ➢ Board of Health: New septic construction must meet full compliance with BOH I/A <br /> septic system regulation. Any disposal system variances shall be heard before the <br /> approving authority the BOH <br /> ➢ Wastewater: There is no planned connection to the Mashpee Sanitary Sewer <br /> Collection System <br /> ➢ Building/ZBA: No jurisdiction <br /> Documents provided: Engineering Works,Inc.; Request for Determination of Applicability; 02/14/25 Plan <br /> "Proposed Septic System Upgrade Plan"(3 sheets) <br /> NOI <br /> 9 Santuit Lane, TD Realty Partners, LLC <br /> ➢ Representative: Falmouth Engineering, Inc. <br /> ➢ Continued from November 14, 2024, January 9, 2025 <br /> Project Overview & Previous Concerns <br /> • Existing home built circa 1955 <br /> • Property currently has a house in extreme disrepair with a `red X' marking from building <br /> commissioner <br /> • Existing house is served by a cesspool(not a septic system) <br /> • Previous proposal included a house with attached two-car garage <br /> • Commission previously expressed concerns about house size, drainage, and lack of <br /> landscape plan <br /> Revised Project Proposal <br /> • Eliminated two-car garage to reduce footprint by approximately 600 sgft <br /> • Existing house is `perched on the edge of the pond' (shown in red lines on plan) <br /> • New house will be moved back from pond edge <br /> • Installing an I/A septic system with 6 ppm nitrogen discharge <br /> • Septic system placed as far as possible from pond <br /> • Board of Health previously approved required variances <br /> • Increased mitigation planting areas (shown in green on plan) <br /> Landscape & Environmental Improvements <br /> • Mr. Garulay presented landscape mitigation plan with native plantings <br /> • Swale area designed to function as rain garden for roof and driveway runoff <br /> • Native plants include eastern red cedar,blueberry, elderberry, viburnum, winterberries <br /> • Vegetated areas will filter water through root systems <br /> • Currently no treatment exists for surface water runoff <br /> 8 <br />