I have a large hangar that needs to have smaller office spaces within that have ceilings shorter than the main hangar with storage space above. How do I create these shorter ceilings?
Smaller, shorter rooms with storage above can be created within a larger room by using a second floor. For example if the larger room is going to have 18' ceilings and the smaller rooms will have 9' ceilings then you would create the first floor with 9' ceiling height and the second floor could be 9' minus the thickness of the ceiling structure of the smaller rooms.
To create the first floor
From the Menu select Edit> Default Settings .
Select Floor and then click the Edit button.
In the Floor 1 Defaults, specify the desired Ceiling (B) height.
For this article, 109 1/8" is used.
Click OK when done and then click Done on the Default Settings dialog.
Select Build> Wall> Straight Exterior Wall and then click and drag to draw out the exterior walls.
For this article, a 45' x 45' structure is drawn.
Select Build> Wall> Straight Interior Wall and then click and drag to draw the interior walls of the space.
For this article, two 12 'x 12' rooms are drawn.
To create the second floor
From the menu, select Build> Floor> Build New Floor .
In the Floor 2 Defaults dialog, specify the Rough Ceiling (E) height as well as the Floor Structure for the storage space above the smaller rooms.
Click OK when done to apply the changes and close the dialog.
Click Tools> Reference Floors> Reference Floor Display to turn on the Reference Floor display so that you can see the placement of the walls on Floor 1 while working on Floor 2.
Select Build> Railing and Deck> Straight Railing and click and drag to draw a railing on top of the 1st floor interior walls along the storage area perimeter.
Select Tools> Reference Floors> Reference Floor Display to turn off the reference floor display.
There should be two rooms on the second floor which include the smaller storage area above the interior rooms, and the big room over the larger area.
Using the Select Objects tool, select the larger room, then click the Open Object edit button to display the Room Specification dialog.
On the General panel of the Room Specification dialog, use the drop-down menu beside Room Type to select Open Below, then click OK.
Take a Perspect Full Camera view to see the results.