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Board hears floodplain and climate‑risk analysis for bond project
Summary
Presenters said portions of the site are within the 500‑year floodplain, noted potential vulnerability to future flood hazards and reported regional sea‑level rise projections, concluding the site remains outside modeled inundation even for high scenarios.
District presenters addressed flooding and future climate risks for the proposed facilities project. They said some proposed improvements are located in the 100‑year and 500‑year floodplains, noting that many of the changes are replacements of existing features and that approximately 15% of the site was identified in the presentation as lying within the 500‑year floodplain.
The presenter said design will comply with applicable federal and state floodplain management laws and standards (including NFIP/US Code Title 42, 44 CFR Part 60, the International Building Code and ASCE 24) and that grading will seek to balance cut and fill to minimize effects on flood elevations and storage capacity. On sea level rise, the presenter reviewed regional projections—roughly 3 feet (medium), 5.4 feet (high) and 9.5 feet (rapid‑ice‑melt)—and stated that the project site remains outside modeled inundation even under those scenarios.
Because the transcript contains several numeric phrasings that appear to be transcription artifacts, the district's published engineering documents and the geotechnical report should be consulted for final percentages and depth measurements before citing specific numeric values in downstream reporting.
