05/07/2026 CONSERVATION COMMISSION Minutes

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I Town of Mashpee Conservation Commission 16 Great Neck Road North Mashpee, MA 02649 (This space is reserved for topics that the Chairman did not reasonably anticipate would be discussed). *NOTE: INDIVIDUAL HEARINGS WILL BE LIMITED TO 15 MINUTES IN LENGTH (More complex proposals may be granted additional time, if necessary,by the Chair) RDA 9 Uncle Henrys Road, Timothy F. Corcoran. Proposed project including landscape modifications that will repair and improve the functionality of proposed outdoor spaces. (Representative: Cape & Islands Engineering, Inc.) 43- 3411 The project was described as involving replacement and expansion of an existing patio, improvements to stairs and walkways, replacement of an existing timber retaining wall, reduction of a retaining wall near the street, installation of drainage structures beneath the patio and portions of the driveway, and related site improvements within a flood zone. It was stated that most of the patio expansion would occur outside Land Subject to Coastal Storm Flowage and that mitigation had been provided at a two-to-one ratio for the limited increase in developed area. Construction access was proposed from outside conservation jurisdiction. Discussion occurred regarding whether the project was appropriately filed as an RDA rather than NOI. Concern was expressed that the amount of work proposed within Land Subject to Coastal Storm Flowage warranted review through the NOI process under both local bylaw and state regulations. It was stated that the project involved work within a protected resource area and that additional detail regarding construction sequencing, flood storage capacity, and structural support for the patio improvements should be reviewed through a NOI filing. Questions were also raised regarding the proposed retaining wall support, patio cross- sections, groundwater elevations, and the adequacy of proposed drainage structures during coastal storm events. The applicant's representative stated that the filing had been submitted as an RDA because the project would improve existing conditions by removing impervious concrete surfaces, increasing water infiltration through installation of dry wells and drainage features, and improving flood storage capacity without work to the house structure itself. It was further stated that the Commission retained authority to condition an RDA if necessary. During discussion, it was clarified that the proposed work included removal of existing concrete patios, replacement with new patio materials, installation of native plantings, and replacement of fencing and stairs in kind. The representative also stated that tree replanting would occur in kind using cedar plantings. Several members acknowledged that the proposed work appeared to improve existing site conditions through reduction of impervious surfaces and installation of drainage improvements. Discussion also addressed whether pervious patio materials should be required, with the applicant indicating willingness to utilize pervious materials if requested by the Commission. Additional discussion focused on whether the proposed drainage structures would function during coastal flood events. The applicant's representative stated that while no drainage system could prevent flooding during a 100-year coastal storm event, the proposed system would improve existing site conditions and water management capabilities. MOTION: To close an issue on 9 Uncle Henrys Road as a positive determination. Motion b Paul Colombo Seconded bv: Sandi Godfrey Vote: Tie vote and therefore failed. Aye: Paul Colombo, Sandi Godfrey Nay: Steve Cook, Seana Pitt 3