Primary Framing Systems Clear Span (CS): Multi-Span (MS-1): Multi-Span 2 (MS-2): Multi-Span 3 (MS-3): Multi-Gable (MG): Single Slope(SS): Lean-To (LT): Roof System (RS): Also View,PEB ConceptBuilding ParametersPrimary FramingSecondary FramingBracing SystemsMezzanine FloorBuilding Cladding SystemsBuilding AccessoriesAdvantages & ApplicationsMechanical Fabrication & Erection