Stairs, Ramps, and Railings - Autodesk Revit Architecture 2015 Essentials - page 97

8. Start the second stair run using the same Location Line setting, and
click at the endpoint of reference plane 2 where it meets the wall.
Move down anywhere past 9 ′ -0 ″ (2750 mm), and click the last point to
complete the second run (Figure 4.9).
FiGure 4.9 Second stair along wall
One of the nice features of component stairs is the ability to
dynamically change the stair using shape handles.
9. Select the landing that was automatically created and notice the
shape handles. Drag the landing edge shape handle down any dis-
tance to enlarge the landing. Notice that the stair run automatically
moves down to reflect the new landing size.