Page 740 - Chief Architect Reference Manual

Chief Architect X10 Reference Manual

To move stair sections independently Move Independently in the Preferences
regardless of whether attached landings are dialog. See “Architectural Panel” on page
locked or unlocked, select Stair Sections 121.

Maintaining Tread Depth

Most building codes require staircases to finalize stair section width as early as
maintain a consistent tread depth. possible.
There are two ways to keep tread depth even
Walk Line
throughout a stair section made of multiple
By default, Chief Architect measures a stair subsections.
section’s length and tread depth along a Walk
Line located 12" (30 cm) from the right edge Lock Tread Depth
of the stair section by default. On curved The first way to maintain tread depth is to
stairs, it is located 12” (30 cm) from the Lock Tread Depth to a specified value in
inside edge of the curve.
the Staircase Specification dialog. See
The distance of the Walk Line from the “General Panel” on page 753.
staircase edge can be specified in the Once locked, any changes to the length of the
Staircase Specification dialog. See “Style stair section are achieved by keeping the
Panel” on page 757.
specified tread depth and changing the
Alternatively, you can turn the Walk Line number of treads.
feature off and tread depth will be measured
at the tread center. Ignore Subsection
Boundaries

Curved stair sections typically have treads
that are wider on one side than on the other.
When they are connected to other stair
sections, as with winders, it is possible to
have treads that are too narrow at the Walk
Line. See “Winders” on page 745.
Walk Line at 12" Center Line
Uniform tread depth in a stair section with
When a curved stair section has Automatic subsections can be maintained by checking
Treads specified in the Staircase Ignore Subsection Boundaries in the
Specification dialog and the Walk Line is Staircase Specification dialog. See
used, the number and/or width of treads in a “General Panel” on page 753.
section or subsection changes when the inner When Ignore Subsection Boundaries is
edge is moved. For this reason, it is best to checked, the Tread Depth value may change

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