Global Dimension Change
Click the menu, "Loads | Global Dimension Change" to open the Global Dimension Change page, where you can change the dimensions of various things in your rooms.
Rooms: Determines which rooms to apply the change to. Check the box beside each room that you want to include.
Mark All, Clear All: Checks or unchecks all of the rooms in the list.
Include Checkboxes: Specifies which dimensions to change and what to change them to. Check the box and enter a dimension value for each kind of dimension you want to change in your selected rooms.
Value Textboxes: Specifies the new dimension values you want to assign for the indicated quantity (Room Height, etc.).
Perform Change button: Makes the desired changes to the project.