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Board OKs final plan for Rockwood Site Condominiums; developer to build large detention basin to mitigate floodplain
Summary
The board unanimously approved the final plan for Rockwood Site Condominiums east of Waldenburg Park after staff said the development will create a detention basin and provide floodplain storage that increases overall storage volume compared with current conditions.
The Macomb Township Board of Trustees unanimously approved the final plan for Rockwood Site Condominiums, a development east of Waldenburg Park on 21 Mile Road, at its May 14 meeting.
Mr. Van Tiflin told the board much of the property is currently in floodplain but the developer plans a large detention basin designed to provide both detention and floodplain storage. Van Tiflin said the engineered pond would store roughly the equivalent volume lost when filling existing floodplain and that, by his calculation, the plan provides about 2,000 cubic feet more floodplain storage than exists today. "They're creating 5 or 6 feet of storage in the pond," he said, describing the mitigation approach.
Van Tiflin acknowledged nearby residents expressed concerns during the Planning Commission hearings that adjacent properties could continue to experience flooding. He said the developer's design would remove flood risk from the new subdivision lots but that the adjacent Rockwood subdivision would continue to have floodplain on its property because existing residents did not agree to mitigation measures benefiting their lots.
The final plan has previously received preliminary plan approval and engineering approvals; because the application predated a recent ordinance change, it required final-plan approval from the Township Board. Clerk Pozzi moved the approval and Treasurer Gillette supported the motion; the board recorded the vote as passing unanimously.
