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• Property compared to 23 Wilson's Grove heard last week, with similar <br /> constraints <br /> System Performance & Compliance <br /> • Maximum feasible compliance approach being applied due to lot constraints <br /> • Sledgehammer system consistently performing at 19 milligrams per liter or <br /> better <br /> • The system lacks nitrogen removal approval, but is allowed under the 1000 ft <br /> regulation with monitoring <br /> • If performance numbers decline,no more systems will be approved until <br /> numbers improve <br /> • System to be installed before foundation work begins <br /> Variance Approval <br /> • Variances requested for property line and foundation setbacks instead of the <br /> standard 10 and 20 ft requirements <br /> • Mr. Livingston made the motion to approve the variance requests, which Mr. <br /> Virgilio seconded <br /> • Motion passed 2 yay— 0 nay <br /> Documents provided: Public hearing/variance request form; Site plans from Strong Tree Engineering(2 <br /> pages) <br /> 3. 5 Finway <br /> Septic Tank Variance Request— Groundwater Issues <br /> • Septic tank installation requires a variance due to high groundwater levels <br /> • Groundwater will be approximately 12 inches from the tank inlet <br /> • The tank will be positioned in the groundwater with a pump chamber system <br /> to the leaching field <br /> • Float calculations are required to prevent the tank from floating like a boat <br /> Technical Specifications & Calculations <br /> • A 1500-gallon tank generates approximately 22,000 pounds of uplift force <br /> • H2O tank with fast system weighs 43,000 pounds, including soil coverage <br /> • Weight calculations meet float requirements for safe installations <br /> • Technical specifications satisfy variance approval criteria <br /> Board Decision & Approval <br /> • Mr. Livingston made the motion to approve the variance request, which Mr. <br /> Virgilio seconded <br /> • Motion passed 2 yay— 0 nay <br /> Documents provided: Public hearing/variance request form;Proposed septic system repair plans(4 sheets) <br /> 4. 31 Ashumet Road <br /> 2 <br />