![Howard-Tilton Memorial Library Build-back and Hazard Mitigation Project: Enclosure Installation to Temporarily Block Central Stairs Between Floors 1 & 2 Howard-Tilton Memorial Library Build-back and Hazard Mitigation Project: Enclosure Installation to Temporarily Block Central Stairs Between Floors 1 & 2](http://2.bp.blogspot.com/-2oMmNpZF3pE/VS0tQBTKmCI/AAAAAAAAAWk/M3xe-6QcS68/s1600/central%2Bstair%2Benclosure.png)
Howard-Tilton Memorial Library Build-back and Hazard Mitigation Project: Enclosure Installation to Temporarily Block Central Stairs Between Floors 1 & 2
![Fire Separations and Fire Walls Simplified - Origin and Cause: Forensic Engineering Canada | Fire Forensic Investigator Services | Forensic Engineers - Origin and Cause Fire Separations and Fire Walls Simplified - Origin and Cause: Forensic Engineering Canada | Fire Forensic Investigator Services | Forensic Engineers - Origin and Cause](https://origin-and-cause.com/wp-content/uploads/2021/01/Mixed-Use-Infographic.jpg)
Fire Separations and Fire Walls Simplified - Origin and Cause: Forensic Engineering Canada | Fire Forensic Investigator Services | Forensic Engineers - Origin and Cause
![2015 International Fire Code and Commentary (IFC) - Chapter 10: Means of Egress - 1023.7 Interior exit stairway and ramp exterior walls. 2015 International Fire Code and Commentary (IFC) - Chapter 10: Means of Egress - 1023.7 Interior exit stairway and ramp exterior walls.](https://cdn-codes-pdf.iccsafe.org/bundles/document/new_document_images/965/Fig1023_7(2).jpg)
2015 International Fire Code and Commentary (IFC) - Chapter 10: Means of Egress - 1023.7 Interior exit stairway and ramp exterior walls.
![2015 International Fire Code and Commentary (IFC) - Chapter 10: Means of Egress - 1023.7 Interior exit stairway and ramp exterior walls. 2015 International Fire Code and Commentary (IFC) - Chapter 10: Means of Egress - 1023.7 Interior exit stairway and ramp exterior walls.](https://cdn-codes-pdf.iccsafe.org/bundles/document/new_document_images/965/Fig1023_7(1).jpg)