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Commission debates dark‑sky style photometric rules, enforcement and grandfathering for new lighting
Summary
Article 12 draft would add comprehensive outdoor‑lighting standards: photometric plans, light‑trespass limits (stricter adjacent to residential), recommended fixture types, and exemptions for single‑family detached homes. Commissioners discussed enforcement practicality, legacy nonconforming fixtures, and staged compliance or grandfathering for
The commission devoted a lengthy discussion to Article 12, a new, more comprehensive outdoor‑lighting chapter proposed for Westmont’s zoning code. The draft introduces photometric requirements for new development, light‑trespass limits at lot lines (stricter next to residential zones), recommended fixture types (shielded, downcast), and exemptions for detached single‑family homes.
Senior Planner Scott Williams described the change from the existing practice — which in many cases required "0 foot candles at the property line" — to a more nuanced two‑option compliance approach (prescriptive and performance/photometric). He said staff included recommended and not‑recommended fixture…
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