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Portland planning board hears second workshop on proposed 30‑story tower at 45 Union Street
Summary
At a Oct. 28 workshop, applicants for a proposed 30‑story mixed‑use tower at 45 Union Street presented revised shadow, wind, waste and snow‑melt plans and additional traffic counts; board emphasized queuing, pedestrian safety and trash governance as key outstanding items.
Applicant and staff presented revisions to a major site‑plan application for 45 Union Street at a Planning Board workshop on Oct. 28, 2025. The project, proposed for a B3 downtown business zone with a downtown height overlay, would add a 30‑story mixed‑use tower containing 88 hotel rooms, 73 residential units, restaurant space, an observation deck and upper‑level amenities, plus new public open space at ground level.
The applicant (represented by a design and engineering team) said it has supplied an updated shadow study that includes a December 21 analysis requested by the board, a full wind impact study, and a detailed waste‑management memo. Caitlin Spoor, the civil engineer and project manager, said the existing off‑site compactor serving adjacent properties is currently running at about 15 percent capacity and…
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