Reflected Ceiling Plan

Add Ceilings, Soffit walls and Ceiling components
Add Recessed Ceiling and Soffit to the breakfast area

Activate Ceiling Plan - 1st Floor
Select Grid Line, Section and Elevation Mark, then type VH to hide them

Architecture tab > Build panel > Ceiling

Pick the 4 rooms
The default ceiling grid is 600 x 1200mm
Select one grid in each restroom
Type Selector - Compound Ceiling 600 x 600mm Grid
Properties palettes - Height Offset from Floor: 2750

Add Ceiling Components

Architecture tab > Build panel > Component
Mode panel > Load Family

US Metric folder\ Lighting Fixture\
M_Downlight Recessed Can.rfa
M_Troffer Light-Parabolic Square.rfa
M_Troffer Light_Parabolic Rectangular.rfa

Mechanical Equipment folder\
M_Square Return Register.rfa
M_Square Supply Diffuser.rfa

Use Aligned command align the components with the grid lines

Create Ceiling and Soffits

Architecture tab > Build panel > Ceiling

Ceiling panel > Sketch Ceiling

Draw panel > Line

Draw rectangle in the hallway, click Finish

Type Selector - Compound Ceiling: Plain

Properties palettes - Height Offset from Level: 3050

Activate East-West Section view

Return back to 1st Floor Ceiling plan

Architecture tab > Build panel > Wall
Type Selector - Basic Wall: Soffit 13mm GWB & Metal Stud
Properties palettes
Location Line: Finish Face Interior
Base Offset: 3050
Top Constraint: Up to Level: 2nd Floor
Top Offset: -300

Draw the line across the face of the ceiling

Activate 1st Floor plan
Quick Access Toolbar > Camera

Create a camera view looking at the ceiling

Press Ctrl + Tab return back to Ceiling 1st Floor

Architecture tab > Build panel > Component
Type Selector - M_Down Light- Recessed Can 152mm Incandescent - 120V

Place 3 Recessed Lights on the plain ceiling

Modify panel > Geometry panel > Join Geometry

Select the ceiling, then select the soffit wall

It joins into one

Add a Recessed Ceiling

Activate 1st Floor Ceiling plan

Pan over the breakfast area
Architecture tab > Build panel > Ceiling > Sketch Ceiling
Draw panel > Circle

Type SC then select the curved wall, this will snap to the center of the curved wall
Draw the outline of ceiling, then draw an opening of 2400mm
Click Finish

Type Selector - Compound Ceiling - Plain
Properties palettes - Height Offset from Level: 3050

Select the ceiling, Mode panel > Edit Boundary

Draw lines along walls, then Split Element (Delete Inner Segment)
Architecture tab > Build panel > Wall
Type Selector - Basic Wall: Soffit - 13mm GWB & Metal Stud
Properties palettes - 
Location Line: Finish Face Interior
Base Constraint: 1st Floor
Base Offset: 3050
Top Constraint: 1st Floor
Top Offset: 3650

Draw panel > Pick Line
Select the inner circle
A soffit wall height 600 (3650 - 3050) created at the inner circle

Architecture tab > Build panel > Ceiling
Ceiling panel > Sketch Ceiling
Draw panel > Pick Wall
Select the outer edges of soffit wall, click Finish

Type Selector - Compound Ceiling - Plain
Properties palettes - Height Offset from Level: 3650
A ceiling created on the soffit wall

Activate 1st Floor

Create a camera view looking toward the breakfast area

Attach Wall to Ceiling

Activate East-West Section view

Zoom in to the breakfast area, select the arc wall

Modify Wall panel > Attach Top/ Base

Click OK

Arc wall extend to the height of the ceiling, but not attach to the ceiling

Height of Wall after Attached

Select arc wall

Properties palettes - Unconnected Height: 2500

The wall height not updated

QAT > Aligned dimension

The actual height after attached is 3050

Creating Roof by Footprint

Create a flat roof, or any single-slope roof, like Hip, Shed, Gable 

Start with a plan view and define a sketch  or footprint around the area
Hip Roof: 4 edges define the slope
Gable Roof: 2 opposing edges of a rectangular area  define the slope
Shed Roof: Only one edge defines the slope

Architecture tab > Build panel > Roof by Footprint
Options bar - Clear the Define Slope

Draw panel > Pick Wall

Pick these walls, and leave some gaps between them
Draw panel > Line

Draw a line touch the left vertical line, use Trim Corner to trim it

Use Trim Corner to join the corner

Click Finish

Type Selector - Basic Roof: Steel Bar Joist-Steel Desk - EPDM Membrane

Change to 3D view

Reference Plane and Work Plane

Reference Plane

Additional temporary lines to help define boundary or locations

Architecture tab > Work Plane panel > Ref Plane

Work Plane

The surface to draw on or extrude from

In Plan view, Work Plane automatically parallel to the ground

In Elevation or 3D view, need to specify Work Plane before sketching

Creating Roof by Extrusion

Extrude roof from vertical planar surface

Architecture tab > Build panel > Roof by Extrusion

Pick a plane

Pick a vertical plane

Select the level where the roof created

Draw panel > Start-End-Radius Arc

Draw an arc, click Finish

Specify the start and end extrusion

The arc roof extrudes but not stop at the face of residential roof

Cleaning-up Wall and Roof Intersections

The connections between walls and roofs can become very complex

A number of commands can help to edit walls or roofs to clean up the intersections

Attaching Walls to Roofs

The walls will not automatically attach to the roof

Select the wall

Modify Wall panel > Attach Top/ Base

Select the roof

Join Geometry

When roof overlap roof or wall, wall overlap floor

Floor slabs that extend to the balconies are not joined to the walls

Select the wall
Geometry panel > Join - Join Geometry

Select the floor

Joining Roof

Join an extruded roof to another roof

Geometry panel > Join/ Unjoin Geometry

Select the edge of the curve roof

Select the other roof

Creating Roof by Extrusion

Create in an elevation or section by defining a profile sketch

Activate South Elevation
Zoom in to the front entrance
Architecture tab > Build panel > Roof - Roof by Extrusion

Select Pick a plane

Select front face of the wall

Level: 2nd Floor

A green dotted reference plane is set at 2nd floor, and the drawing is grayed out

Draw panel > Spline

Sketch the roof profile not above 2nd Floor reference plane

Click Finish

Properties palettes - Extrusion End: 1850

Type Selector - Basic Roof: Generic 400mm, Edit Type - Duplicate

Name: Generic - 230mm

Edit the Structure Thickness to 230 mm

Change to 3D view

Modify Extruded Roof

Activate Site Plan

This view display the entire building in plan including all of the roofs

Hide the Grid Lines and Elevation Marks

Select the roof

Drag the control to the length of 3500

Opening panel > Vertical

Draw panel > Rectangle

Create a rectangle cutout of the roof

So the roof does not pass through the building

Click Finish

Change to 3D view