Creating Assembled Stairs - Vertical Circulation

Stairs are smart parametric elements
Stairs have 2 options:

1. Stair by Component 
2. Stair by Sketch

Stair by Component is a new way to create stair elements

This component-based stair contain 3 components:

Run, Landing and Support
Each of these components can be customized

Runs can be straight or curved, include risers and treads
Support can be open or closed,  on edges, at an offset or along center of the run
Landing can connect runs automatically or placed manually

Stair components can overlap other components 

Component Stair including 3 types:

1. Assembled Stair
2. Cast-in-Place Stair
3. Precast Stair

Part of Stair

Creating Runs

Architecture tab > Circulation panel > Stair by Component

Components panel

There are 6 different type of Runs:

Straight: Sketch a straight Run

Full-Step Spiral: Spiral run based on start point and radius

Center-Ends Spiral: Spiral run based on start, center and end point

L-Shape Winder: L-Shape Winder based on lower end

U-Shape Winder: U-Shape Winder based on lower end

Sketch: Opens additional tools to sketch stair boundary and risers individually

Straight Runs

Architecture tab > Circulation panel > Stair by Component

Properties palette - Type Selector

Select the stair type
The stair type can impact all the other settings

Properties palettes

If create stair for Multistory, all level must be equal height

Type List - New Stairs: Run
Modify the Actual Run Width

Tools panel > Railing

Select the railing type or No railing

Specify the railing is on tread or on support?

Component panel > Run, Straight

Options bar

Location Line: Left/ Center/ Right
Offset: 0.0
Check Automatic Landing

Pick a point to start the run

A box show the stair orientation, number of risers created and remaining
Pick any point outside the box to complete the run

Mode panel > Finish

The stair complete with railing by default
Unless None for Railing is selected