10/09/2025 CONSERVATION COMMISSION Minutes

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Town of Mashpee Conservation Commission 16 Great Neck Road North Mashpee, MA 02649 Ms. Godfrey supported Ms. Thombrugh's suggestion to seek a public peer review, while Mr. Sahl questioned whether such agencies could also decline participation,potentially leaving the Commission in the same position. Mr. McManus responded that before pursuing additional peer reviews, the Commission must clarify its objectivesspecifically, whether the goal is to review construction methodology and impacts to abutters, or to assess impacts to resource areas such as land subject to coastal storm flowage. He noted that public coastal agencies typically focus on the latter, not structural or property-line impacts. He advised the Commission to determine which concern it wished to prioritize before reaching out for additional review and focus on what is the subject of the peer review itself. Ms. Thornbrugh responded that while abutter concerns centered on construction logistics, her own concern—and likely the Commission's—was broader, focusing on how the final construction and elevation changes could alter drainage and stormwater flow throughout the neighborhood. She reiterated that a public peer review would offer an objective analysis of these resource-related impacts, independent of either the applicant's or abutters' perspectives. She continued her remarks, emphasizing that the goal of a peer review was not to tailor an evaluation to the Commission's specific concerns, but to obtain an independent technical review of the proposed project's impact on floodplain functioning and stormwater behavior. She explained that a neutral peer reviewer would review the entire application and issue an objective report. Her principal worry centered on the expansion of the home and how it might alter water flow through the neighborhood. Given the property's proximity to the water and the cumulative impacts of new construction in the area, she reiterated that the Commission had already determined a peer review was a necessary condition before issuing an Order of Conditions. Since no private engineering firms were willing to perform it, she maintained that a public entity should be considered as an appropriate alternative. Chair Cook then revisited one of his prior concerns about the project design. He asked for clarification on whether the applicant had, as previously discussed, switched from a foundation design using flood vents to a system supported by pilings. The applicant confirmed that the piling design had been presented at the last hearing, though Chair Cook noted that the current letter still referenced a foundation. The applicant explained that this was likely from an outdated submission and that the plans had since been revised. Chair Cook emphasized that he remained concerned about the narrow separations just 1.7 and 2.3 feet—from property lines and the implications for erosion control and stormwater flow during and after construction. He noted that in previous approvals at nearby properties (23 and 25 Wilson's Grove), the Commission had required a minimum of four feet between the structure and the property line to allow water passage and accommodate construction. He asked whether a similar adjustment could be made to this design. Attorney Brodsky responded that such a change was not practical because the Neilds' lot was substantially smaller than the other examples. He explained that the project sought only to maintain the existing footprint of the current structure. Given that the property lies entirely within land subject to coastal storm flowage, Attorney Brodsky said elevating the home on pilings would represent a substantial improvement over existing conditions by allowing water to move beneath the structure. He stated that this type of flood zone (AE Elevation 13) does not experience active wave action or velocity flowrather, water rises gradually throughout the neighborhood. He argued that the elevation would reduce flood impacts, not exacerbate them. Applicant's Opposition to State Peer Review and Erosion Control Discussion Attorney Brodsky next addressed the suggestion of seeking a peer review from the Massachusetts Office of Coastal Zone Management(CZM). He strongly opposed the idea, stating that CZM is a policy-making agency, not a peer-reviewing one. According to him, CZM's institutional perspective favors coastal retreat and limits on floodplain development, which he described as a form of bias. He asserted that having them review the project would be akin to "the fox guarding the henhouse," since they were instrumental in shaping the state's draft regulations on coastal storm flowage. He said their role was to provide policy guidance, not to render case-specific determinations. While he was unfamiliar with the Barnstable County Extension Office's process,