Within the building code certain prescribed checks have exceptions that apply only to one or two story structures. Select this option if you would like those exceptions applied to your structure.

Check the ’Show this dialog after selecting special seismic provision mode’ if you want this dialog to display each time you enter this mode.

Examples:

• AISC 341-02 13.4a V-Type and Inverted V-Type Bracing Exception
• AISC 341-02/05 9.6 Column-Beam Moment Ratio Exception (a).