JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. D1.G. American Codes - Timber Design per AITC Code D1.G.1 Design Operations D1.G.2 Allowable Stress per AITC Code D1.G.3 Input Specification D1.G.4 Naming Conventions for Sections D1.G.5 Design Parameters D1.G.6 Member Design Capabilities D1.G.7 Orientation of Lamination D1.G.8 Tabulated Results of Member Design D1.G.9 Examples Parent topic: D1. American Codes