AEC & BIM Knowledgebase Integrated Structural Engineering International Design Codes ASCE 7-16 Seismic Design Seismic Design Codes General Principles... ASCE 12.3.2 Irregular and Regular Classification ASCE 12.3.2.2 Vertical Structural Irregularities ASCE 12.3.2.2 Vertical Structural Irregularities ASCE 12.3.2.2 Vertical Structural Irregularities are explained in detail under this title. Stiffness–Soft Story Irregularity and Extreme Soft Story Irregularity (ASCE) ASCE Weight (Mass) Irregularity ASCE Vertical Geometric Irregularity ASCE In-Plane Discontinuity in Vertical Lateral Force-Resisting Element Irregularity ASCE Discontinuity in Lateral Strength–Weak Story Irregularity Next TopicStiffness–Soft Story Irregularity and Extreme Soft Story Irregularity (ASCE) Related TopicsASCE 12.3.2.1 Horizontal Structural IrregularitiesASCE Weight (Mass) IrregularityASCE Vertical Geometric IrregularityASCE In-Plane Discontinuity in Vertical Lateral Force-Resisting Element IrregularityASCE Discontinuity in Lateral Strength–Weak Story Irregularity ×