AEC & BIM Knowledgebase Integrated Structural Engineering International Design Codes TSC 2018 General TSC-2018 - Building Performance Levels TSC-2018 - Building Performance Levels TSC-2018 - Building Performance Levels are explained in detail under this title. TSC-2018 - Building Performance Levels (3.4) Next TopicTSC-2018 - Building Performance Requirements Related TopicsTSC-2018 - Requirement / Design AssumptionsTSC-2018 Building Importance Categories and Building Importance FactorsTSC-2018 Seismic Design CategoryTSC-2018 - Building Base and Building HeightTSC-2018 - Building Height Category ×