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FEMA to use physical map revision; authority moves up modeling work to accelerate map updates
Summary
Staff reported FEMA selected a physical map revision (PMR) approach for the diversion project’s floodplain remapping and the authority is advancing hydraulic modeling ahead of construction completion to accelerate federal review timelines.
Chris (last name given in transcript as Bockygard) briefed the committee after a biannual meeting with federal and state partners that FEMA plans to pursue a physical map revision (PMR) — a method FEMA uses to issue revised flood maps — rather than a standard Letter of Map Revision for the diversion project.
The authority’s staff and federal partners determined a PMR better suits the project because a large number of map panels must be updated.…
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