(NIST: Gaithersburg, MD) -- The National Institute of Standards and Technology (NIST) has submitted to Congress its annual update on activities under the National Construction Safety Team (NCST) Act. The report includes an overview of work completed in fiscal year 2025 on the investigation into the 2021 partial collapse of the Champlain Towers South condominium in Surfside, Florida.

The report outlines how the investigation’s team has completed most of its technical work, including: the testing of materials beneath the building site; full-scale building replica tests; analysis of data and evidence to update the building collapse timeline; and more.

The report also provides highlights of NIST’s investigation into the effects of 2018’s Hurricane Maria on Puerto Rico, as well as actions taken to implement recommendations in the NCST Joplin, Missouri, tornado investigation final report to improve building safety and structural integrity.

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