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Task force hears staff explanation of tree‑mitigation calculation change (ACI) and its effect
Summary
Staff illustrated how switching to an ACI (aggregate caliper inches) calculation and removing a single‑family exemption changes mitigation totals, saying the aim is to encourage on‑site tree retention. Task force requested follow‑up materials and asked how the tree bank and rookeries protections would work.
Planning staff presented examples comparing the current mitigation formula (a divisible‑by‑900 method referenced in the packet) to an ACI (aggregate caliper inches) approach. Using a previously approved development as an example, staff said the ACI method produced 160 total mitigation inches while the older calculation produced 774 inches for the same…
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