CADWorx Structure tab: Model panel > Assemblies > Stair
Creates stairs in the model space by selecting members, specifying the member, height, and direction, or by picking points in the 3D model space.
Template
Specifies the predefined configuration of the stair to place.
Save
Saves any changes you make to the selected template.
Save As
Displays the Save As Template dialog box, which allows you to save a new template.
To save changes to an existing template, click Save.
Straight
Inserts a straight stair.
Cylindrical
Inserts a cylindrical stair.
Spherical
Inserts a spherical stair.
General
The Height (C) and the Angle (D) are only available when you edit the stair. For more information, see Modify Stairs Palette.
Run (A)
Specifies the depth of the run from the front of the tread to the front of the next tread for each step of the stair.
Max Rise (B)
Specifies the height of each step on the stair.
Horizontal Offset (applies only to straight stairs)
Specifies the horizontal offset.
Nosing Offset (applies only to straight stairs)
Specifies the offset of the nosing.
Width (G)
Specifies the width of the stairs.
Top Floor Thickness (applies only to straight stairs)
Specifies the thickness of the floor at the top of the stairs. When you set this option to 0, then the stairs align with the attaching beam. When you set this option to a value greater than 0, then the stairs attach at the specified thickness upwards from the attaching beam.
Bottom Floor Thickness (applies only to straight stairs)
Specifies the thickness of the floor at the bottom of the stairs. When you set this option to 0, then the stairs align with the attaching beam or floor. When you set this option to a value greater than 0, then the stair base attaches at the specified thickness upwards from the attaching beam, floor, or object.
Top Extend (E) (applies only to straight stairs)
Specifies the straight length at the top section of the stair stringer.
Bottom Extend (F) (applies only to straight stairs)
Specifies the straight length at the bottom section of the stair stringer.
Insert Position (applies only to straight stairs)
Specifies whether to insert the stair from the Center, the Left, or the Right.
Auto Handrail
Adds a handrail to the stairs.
Handrail Template
Specifies a handrail template for the Auto Handrail. Click Assemblies > Handrail to build more templates for handrails. For more information, see Handrail.
Group
Specifies the group classification of the structural member designated in the Group Manager. When you select a group from the list, the layer automatically updates to the layer assigned to that group. The groups that display in the Group list come from the Group Manager in the Structure Editor. For more information, see Group Manager in the CADWorx Structure Editor Users Guide.
Layer
Specifies the assigned layer. Layers default to the assigned group. However, you can change a layer as needed. The layers that display in the Layer list come from the Layer Manager in the Structure Editor. For more information, see Layer Manager in the CADWorx Structure Editor Users Guide.
Cylindrical
Vessel Diameter (H)
Specifies the diameter of the vessel that the stair wraps around.
This option is only available when you do not select Center Post.
Center Post (A)
Indicates that the cylindrical spiral stair has a center post. Set the center post data in the Members tab. Click the Members tab, and then select Center Post from the Modify Member list.
Toe Plate
Indicates that the cylindrical spiral stair has a toe plate on the treads. Set the toe plate data in the Members tab. Click the Members tab, and then select Toe Plate from the Modify Member list.
Define Exit Point
Allows you to specify the exit point in the 3D model while modeling the stair.
Landing
Landing
Indicates that the cylindrical stair adds landings to the stair based on the Number of Landings entered. Set the landing data in the Members tab. Click the Members tab, and then select Landing from the Modify Member list.
Number of Landings
Specifies the number of landings for the cylindrical stair. The software evenly spaces the landings.
Landing Length (J)
Specifies the length of the landing. You can only have one length for all landings on your stair.
Braced
Indicates that the landing of the cylindrical spiral stair has a brace. You must have Landing in the Cylindrical tab selected to have the Braced option available. Set the brace data in the Members tab. Click the Members tab, and then select Brace from the Modify Member list.
Brace Height (K)
Specifies the height of the brace from the center post or vessel to the bottom of the landing.
Grating Template (L)
Specifies the grating template for the landing. To create a grating template, click Area Objects, and then click Grating. Fill in the data for the General, Details, and Members tabs, and then click Save As to save the new template. For more information, see Grating.
Spherical
Vessel Diameter (H)
Specifies the diameter of the vessel that the stair wraps around.
Offset Surface
Specifies the distance between the stair and the vessel.
Offset Height of Top Platform (K)
Specifies the distance of the top platform from the top of the vessel.
Stair Height (F)
Specifies the depth of the landing from the top of the vessel.
Toe Plate
Indicates that the spherical spiral stair has a toe plate. Set the toe plate data in the Members tab. Click the Members tab, and then select Toe Plate from the Modify Member list.
Landing
Landing Top
Indicates that the spherical stair inserts a landing at the top. Set the landing data in the Members tab. Click the Members tab, and then select Landing from the Modify Member list.
Landing Bottom
Indicates that the spherical stair inserts a landing at the bottom. Set the landing data in the Members tab. Click the Members tab, and then select Landing from the Modify Member list.
Landing Length (J)
Specifies the length of the landing.
Grating Template
Specifies the grating template for the landing. To create a grating template, click Area Objects, and then click Grating. Fill in the data for the General, Details, and Members tabs, and then click Save As to save the new template. For more information, see Grating.
Details
Long Description
Specifies a long description for the item that you place.
Short Description
Specifies a short description for the item that you place.
Part Number
Specifies a part number for the item that you place.
Tag
Specifies the tag of the item that you place.
Members
Modify Member
Allows you to change the members associated with the stair.
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Stringer (applies only to straight stairs)
Allows you to change the Shape, Section Data Table, Member Size, Material, Angle, Cardinal Point, and Reflect options for the stair stringer members.
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Treads
Allows you to change the Shape, Section Data Table, Member Size, Material, Angle, Cardinal Point, and Reflect options, as well as the options listed below for the stair tread members.
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Pan Tread Step (applies only to straight stairs)
Specifies the step as a pan tread. Also displays the Pan Tread data.
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Depth (A)
Specifies the depth of the pan tread.
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Width (B)
Specifies the width of the pan tread.
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Angle (C)
Specifies the angle of the pan tread.
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Thickness
Specifies the thickness of the pan tread.
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Nosing (D)
Specifies the nosing distance on the step. The nosing is the lip that extends from the top of the pan tread.
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Tread Tapered (applies only to cylindrical and spherical stairs)
Indicates that the cylindrical spiral stair has a tapered tread with an outside sweep angle. Set the outside sweep angle of the tapered tread in the Members tab. Click the Members tab, and then select Treads from the Modify Member list. Next, type the Outside Sweep Angle of the Tread Tapered property.
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Outside Sweep Angle (applies only to cylindrical and spherical stairs)
Specifies the tapered tread outside sweep angle.
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Toe Plate (applies only to cylindrical and spherical stairs)
Allows you to change the Shape, Section Data Table, Member Size, Material, Angle, Cardinal Point, and Reflect options for the stair tread toe plate members.
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Brace (applies only to cylindrical stairs)
Allows you to change the Shape, Section Data Table, Member Size, Material, Angle, Cardinal Point, and Reflect options for the stair brace members.
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Center Post (applies only to cylindrical stairs)
Allows you to change the Shape, Section Data Table, Member Size, Material, Angle, Cardinal Point, and Reflect options for the stair center post members.
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Landing (applies only to cylindrical stairs and spherical stairs)
Allows you to change the Shape, Section Data Table, Member Size, Material, Angle, Cardinal Point, and Reflect options for the stair landing members.
Shape
Specifies the shape of the structural member, such as Wide Flange.
Section Data Table
Specifies the data used from the library for the structural member, such as Wide Flange. The list changes based on the Section Type setting, and populates the Member Size list.
Member Size
Specifies the size of the structural member, such as W10X22.
Material
Specifies the material of the structural member.
Angle
Specifies the angle of the structural member when you place that member. The angle and the cardinal point work in conjunction. For example, a 180-degree angle with a top-right cardinal point displays the cardinal point at the bottom left when you insert the member.
Cardinal point
Specifies the cardinal point of the structural member when you place that member.
Reflect
Places the inserted shape in the opposite direction of the default along the cardinal point line.
Place By
Member/Height/Direction (applies only to straight stairs)
Places a stair in the 3D model space by selecting a support member, specifying the location of the stair on the member, and then select a height and direction. The software calculates the angle based on the height and direction.
Members (applies only to straight stairs)
Places a stair in the 3D model space from selected support members.
Vessel (applies only to cylinder and spherical)
Places a stair in the 3D model space by selecting a vessel.
Points
Places a stair by defining a start point, the height, the entry direction, the exit direction, and the overall direction of the stair.
Insert
Places the assembly in the 3D model based on the configuration and the selected Place By options. This option is not available when you modify.
Double-click stairs to display the Modify Stair palette. For more information, see Modify Stairs Palette.
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