STAAD.Pro HelpDesignD. Design CodesD5.European CodesD5.C. European Codes - Timber Design Per EC 5: Part1-1 D5.C. European Codes - Timber Design Per EC 5: Part1-1 STAAD.Pro is capable of performing timber design based on the European code EC5 Part 1-1 Eurocode 5: Design of timber structures - Part 1.1: General-Common rules and rules for buildings. D5.C.1 General CommentsPrinciples of Limit States Design of Timber Structures are used as specified in the code. D5.C.2 Analysis MethodologyD5.C.3 Design ParametersDesign parameters communicate specific design decisions to the program. They are set to default values to begin with and may be altered to suite the particular structure.Parent Topic: D5.European Codes