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Engineer outlines oversized septic plan for ADU at 222 Talcott Notch Road; application accepted
Summary
A professional engineer told the commission that converting a pool house to a one‑bedroom accessory dwelling requires a septic system sized for a minimum two bedrooms under state public health code; the commission accepted the application and will vote on final approval at a later meeting.
Dave Whitney, a professional engineer representing the property owner at 222 Talcott Notch Road, presented a proposal to convert an existing pool house into a one‑bedroom accessory dwelling unit and to install a new septic system.
Whitney said the Connecticut public health code requires a minimum two‑bedroom septic design for a detached dwelling, so the proposed 55‑foot leaching system is conservative for a one‑bedroom ADU. He reported soil tests and percolation testing were completed with the Farmington Valley Health District and that the design was approved by the health district. Whitney described the area of disturbance as roughly 5,000 square feet (about 0.11–0.12 acres), said groundwater was encountered seasonally in one test pit, and described the system as raised with septic sand fill to increase separation from the seasonally high water table.
Commissioners asked about reserve area, material handling, and erosion controls; Whitney said a reserve area is not required for a repair and described double rows of silt fence and silt sock for erosion protection during construction. The commission accepted the application and will vote on final approval at the next meeting.
