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Pownal planners debate how to calculate lot density under conservation‑subdivision rules
Summary
Town planner Ben Smith told the Planning Board the conservation‑subdivision language is unclear on whether the 600‑foot private‑road reference and 90,000‑square‑foot buildable‑area standard should be applied as written; the board asked staff to clarify the ordinance and prepare a simplified guidance page for applicants.
Town planner Ben Smith and members of the Pownal Planning Board spent substantial time on June 18 parsing how the town’s conservation‑subdivision rules calculate lot density, asking staff to clarify ambiguous ordinance language and produce simpler guidance for applicants.
The issue. Smith told the board that Section 905 and related sections (including 908C2) require a series of maps and a conceptual exercise to identify buildable areas and calculate density. But he said the ordinance’s wording does not clearly explain whether the "600‑foot" private‑road reference is a cap on new private roads used in the calculation or a literal measurement that could be misapplied by applicants.
"If someone is coming in for the first time, they will need some help to understand what that means," Smith said, urging the board to clarify the calculation steps and related cross‑references to minor‑subdivision frontage rules.
Key concerns. Board members raised several questions: how to treat long frontage that crosses non‑buildable slopes; whether existing frontage may be used for lot access vs. new private roads; and how to apply the 90,000‑square‑foot "net residential area" buildable standard when soils, wetlands and steep slopes are removed from the calculation. Members emphasized the need to avoid forcing applicants into expensive engineering before they can establish an initial lot count.
Next steps. The board asked staff to draft clearer guidance — for example, a one‑page matrix or an applicant‑facing checklist — to explain the lot‑density calculation and how frontage and private‑road length factor into the number of allowable lots. CEO Tim Giddinge said applicants should continue to begin the process with the CEO’s office and that NorthStar can help with technical interpretation.
