Adding Interior Walls

Activate 1st Floor
Zoom-in to the stair and elevator area
Architecture tab > Build panel > Wall
Type Selector - Generic 225mm Masonry
Options bar - Height: Roof, Offset: 0.0

Draw panel > Pick Line
Pick lines around elevator and stair
Use the Flip Control to flip the wall when necessary
Use the Drag Wall End control to close the opening

Aligne Wall with Grid Line

Modify tab > Modify panel > Align

Options bar - Prefer: Centerline

Select vertical grid line C, then select centerline of the elevator wall

Click the padlock to lock the wall with the grid line
Repeat the same steps on the other 2 walls
Click Modify to end the command

Repeat the process on the other stairwell

Disallow the join between interior and exterior wall
Align and lock them, enable the join again

Add Front Desk and Office Walls

Select imported CAD file, right-click - Hide in View - Elements
Architecture tab > Build panel > Wall
Type Selector - Interior - 138mm Partition (1hr)
Options bar - Height: 2nd Floor, Location Line: Wall Centerline
Properties palettes - Top Offset: -300

Place the walls as shown

Modify panel > Split Element

Click the intersection of the horizontal and vertical interior walls
Click Modify to end the command

Select the left wall
Properties palette - Top Constraint: Unconnected, Unconnected Height: 1220
This becomes the base of the Front Desk shelf

Drag Wall End of the left wall

Add the Support Room Walls

Add interior walls as shown

Fillet the 2 walls at 3000

Align the lower interior wall with the right side wall by face

Add a curved wall height 2500 to separate the labby from the breakfast area

Add Typical Guest Floor Walls

Activate 2nd Floor

Properties palettes - Underlay: None

Add Interior - 138mm Partition (1 hr)

Options bar - Height: 3rd Floor, Location Line: Finish Face: Interior

Properties palettes - Top Offset: -300

Add interior walls as shown