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Project Overview <br /> • Construction of a 2 story single-family dwelling <br /> • Includes: hardscaping, landscaping, utilities, and I/A septic system <br /> • Grandfathered lot under Mass. General Law 48, Section 6 (over 5,000 sqft with 50 ft <br /> frontage) <br /> • Location is in outer buffer zone (100-150 ft) of salt marsh and within land subject to <br /> coastal storm flowage <br /> • House design is FEMA compliant with raised first floor and flood vents <br /> • Proposed footprint of approximately 1,100 sqft total (less than 1,000 sqft upstairs) <br /> Environmental Considerations <br /> • Property in still water flooding zone (not limited moderate wave action zone) <br /> • I/A septic system approved by Board of Health <br /> • Nitrogen levels at 10.5 ppm (well below 19 ppm typically acceptable) <br /> • Reduced lawn area to comply with regulations after initial waiver request was not well- <br /> received <br /> • Landscape plan includes minimum 650 sqft of naturally vegetated area(exceeding 5000 <br /> sqft requirement) <br /> • Commissioners requested pervious surfaces under decks and for walkways <br /> • Additional request to change flowering dogwoods to Eastern Red Cedars for better <br /> wildlife habitat <br /> • Three dry wells proposed to contain roof runoff and prevent drainage issues <br /> Public Concerns and Final Conditions <br /> • Mr. Moore expressed concerns about water runoff and road elevation changes <br /> • Developer committed to using gutters with downspouts connected to dry wells <br /> • Groundwater elevation approximately 8 ft below ground level <br /> • Dry wells designed to handle approximately 25-year storm events <br /> Agent Comments <br /> • Home construction to be flood zone compliant <br /> • 10% of lot square footage to remain naturally vegetated, which meets standards under <br /> Reg. 25 <br /> • No proof of application to ZBA <br /> ➢ Board of Health: New septic construction must meet full compliance with the BOH I/A <br /> septic systems regulation. Any disposal system variances shall be heard before the <br /> approving authority the BOH. <br /> ➢ Building/ZBA: Project requires a variance from ZBA. No application has been <br /> submitted. <br /> ➢ Wastewater: There is no planned connection to the Mashpee Sanitary Sewer Collection <br /> System. <br /> 7 <br />