JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. UBC97 – ASD Limitations §2213 – Seismic Provisions for Structural Steel Buildings in Seismic Zone 3 and 4 §2213.4 Materials §2213.5 Column Requirements §2213.6 Ordinary Moment Frame (OMF) §2213.7 Special Moment Frame (SMF) Parent topic: Code Check