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Flood Mitigation Measures <br /> • Explained minimal channelization of floodwaters between walls due to low height <br /> • Revised plan replaces grass strip with mulch and native plantings around structure to <br /> slow floodwaters <br /> • Site gradually slopes north to south, allowing floodwaters to recede naturally <br /> • Relocated distribution box (D-box)from under patio for easier access and monitoring <br /> • Updated nitrogen loading calculations to reflect design changes <br /> Nitrogen Loading Discussion <br /> • The representative detailed the nitrogen loading calculation methodology based on Cape <br /> Cod Commission guidance <br /> • Calculations based on a 2.5 people per household average for Mashpee (census data) <br /> • 3-bedroom house with 55 gallons per person x 2.5 people = 137.5 gallons flow <br /> • System includes nitrogen-reducing I/A septic system <br /> • Discussion about the potential for actual usage to exceed calculated figures, especially in <br /> summer <br /> Agent Comments <br /> • The assistant agent confirms all Commission requests have been accommodated <br /> • Agent recommends plantings along corners and sides, and retaining wall separation <br /> • The engineer has provided plan revisions to address commission concerns regarding <br /> stormwater runoff/landscaping <br /> ➢ Board of Health: New construction must comply fully with the Board of Health's I/A <br /> Septic Systems Regulation. Floor plans for the proposed new dwelling are to be reviewed <br /> upon submission to the Building Department. Proposed septic design plans are to be <br /> reviewed upon submission to BOH <br /> ➢ Building: Application for ZBA relief has been filed <br /> ➢ Wastewater: There is no planned connection to the Mashpee Sanitary Sewer Collection <br /> System <br /> Motion <br /> • Mr. Cook made a motion to close and issue with the revised submitted plan. Mr. Sahl <br /> seconded the motion. <br /> • Roll Call: Mr. Cook(Yes), Mr. Sahl (Yes), Ms. Godfrey (Yes), Mr. Colombo (Yes) <br /> o Motion passed unanimously <br /> Documents provided: Cape &Islands Engineering,Inc.; Notice of Intent application and project narrative; <br /> 01/13/25 Plan"Proposed Site&Septic Plan"(no increase in flow) <br /> COC 55 Horseshoe Bed Way, J. Thomas and Louise L. Lawry <br /> 3-3158 <br /> ➢ Representative: Rebecca White, Cape Real Estate <br /> ➢ Request for Certificate of Compliance 043-3158 <br /> 10 <br />