ideYAPI BIM Knowledgebase Structural Engineering Earthquake Code Application Examples 12-Storey Reinforced Concrete Shearwall / Flat Slab Building Classifications for Seismic Code Applications. Current: Building Risk Category and Building Importance Factor Building Risk Category and Building 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. ×
