UFC 4-023-03 Design of Buildings to Resist Progressive Collapse

This Unified Facilities Criteria document provides comprehensive structural design standards for mitigating progressive collapse in buildings. UFC 4-023-03 establishes technical requirements for designing structures to withstand potential progressive collapse scenarios. The document details analytical methods, load combinations, and structural integrity protocols necessary to ensure building robustness under extreme loading conditions. It covers design strategies for various framing systems, including steel, concrete, and masonry construction, emphasizing the importance of load path continuity and redundancy. The criteria are structured to guide engineers through systematic risk assessment and mitigation strategies, ensuring that structural systems remain stable even if primary vertical or horizontal load-bearing members are removed or compromised during an incident.

The download is a 6 MB file containing .PDF files.

Engineers integrate these criteria into the structural design process by applying the specified load factors and analysis methodologies to their BIM or CAD models. The PDF serves as a reference guide during the schematic and design development phases to verify that building systems meet the required performance standards. By incorporating these protocols, designers ensure that structural calculations and detailing align with federal safety benchmarks, facilitating the review process and confirming that the proposed structural design maintains necessary stability and resilience against potential failure.