ideYAPI BIM Knowledgebase Structural Engineering Earthquake Code Application Examples Example of a Steel Moment-Transferring Frame Classifications for Seismic Code Applications Current: Building Risk Category and Importance Factor Building Risk Category and Importance Factor The building is used as an office. Building risk categories and importance factors should be chosen according to TBDY 2018 Table 3.1.According to Table 3.1, Building Risk Category is determined as BRC=3 and Importance Factor as I=1. ×
