# PPS Unreinforced Masonry and 2025 Bond Proposal - [PPS Buildings on City of Portland Unreinforced Masonry (URM) Building List](https://docs.google.com/document/d/1SIkcpAe0eptb--BXUjiBxBPZ4JacPW4RX3X7KIKx0m8) - [Why unreinforced masonry buildings perform poorly in an earthquake event](https://www.portland.gov/ppd/unreinforced-masonry-urm-buildings) - **Seismic Vulnerability:** URM buildings are heavy, brittle, and unable to absorb earthquake energy, making them susceptible to damage. - **Structural Weaknesses:** Poor connections between walls and framing, coupled with heavy components like parapets and chimneys, increase the risk of collapse during earthquakes. - **Material Deterioration:** The masonry and mortar used in URM buildings are often old, weak, and deteriorated, further compromising their structural integrity. - [Willamette Week Why Aren't Seismic Upgrades for Elementary Schools the Top Priority in the School Bond?](https://www.wweek.com/news/schools/2025/03/26/why-arent-seismic-upgrades-for-elementary-schools-the-top-priority-in-the-school-bond/) - [Portland Public Schools 2025 Bond Proposal](https://www.pps.net/cms/lib/OR01913224/Centricity/Domain/62/PPS_Proposed-Bond_2025.pdf) - [Earthquake Preparedness at PPS](https://www.pps.net/site/Default.aspx?PageID=2246) - [BAC Infrastructure: Seismic Project Status Report from October 2024](https://www.pps.net/cms/lib/OR01913224/Centricity/Domain/62/BAC%20Presentation_Q4%202024_FINAL.pdf) - [Unreinforced Masonry Buildings (URM) List](https://www.portland.gov/ppd/unreinforced-masonry-urm-buildings/unreinforced-masonry-buildings-list)