Birdwatch Note Rating
2024-08-13 12:33:51 UTC - NOT_HELPFUL
Rated by Participant: C96C14BC7F88269A6DAABA9A560E8598A8D4BA38C5A8198FCE870AE46BF39476
Participant Details
Original Note:
According to NIST, the collapse was initiated by fires ignited by debris from the collapse of the nearby North Tower. The fires caused thermal expansion in floor beams, leading to the failure of a critical column (Column 79), which triggered a progressive collapse. https://www.nist.gov/world-trade-center-investigation/study-faqs/wtc-7-investigation https://www.govinfo.gov/content/pkg/GOVPUB-C13-4d4c17460292ee57ef313f6491fa8d1e/pdf/GOVPUB-C13-4d4c17460292ee57ef313f6491fa8d1e.pdf https://www.nist.gov/publications/final-report-collapse-world-trade-center-building-7-federal-building-and-fire-safety-0 https://www.commerce.gov/news/blog/2021/08/20-years-later-nists-world-trade-center-investigation-and-its-legacy
All Note Details