Structural Design User Guide
Walls and Floors : Walls and Floors Settings : Hierarchy
Hierarchy
All database elements are owned by other elements, therefore elements must be created in a strict order.
The following database elements are common to all MODEL disciplines:
•
World
•
Site
•
Zone.
Administrative Hierarchy
Below the zone in all applications under structures, have three administrative elements in common (these database elements are only available in the four applications) in this case the Walls and Floors application.
However unique to the Walls and Floors application these administrative elements can be used as a means of organising elements in the 3D model which represent the areas of the building. Refer to Building Levels for further information.
Building Levels
Creates/modifies the levels within a building and creates storage areas for elements.
You can create, modify or delete building levels and then associated storage areas. It is normal practice to create building levels (STR) and then associate storage areas to FRMW/SBFR elements.
Control
The Control drop-down list allows you to identify the CE, refresh the window and close the window.
CE
Click to identify the currently selected element as the working element.
A Confirm window displays:
Click Yes to populate the Building Levels window with the details of the CE.
Or
Click No to discard any inputs.
Refresh
Click to refresh the Building Levels window.
Close
Click to close the Building Levels window.
Settings
The Settings drop-down list allows you to set/unset storage areas and define the datum to which all elevations are referenced to.
Unset Storage Area
By default the setting is not applied which means storage areas are automatically set.
Wrt
Allows you to define the datum to which the elevations are applied (elevations are absolute with respect to the datum).
Create
The Create drop-down list allows you create a new building level element. Refer to Create Building Level for further information.
Modify
The Modify drop-down list allows you modify a building level element. Refer to Modify Building Level for further information.
Delete
The delete drop-down list allows you to delete a building level element.
Level
Click to delete the currently selected building level. A Confirm window displays.
Click Yes to delete the selected building level.
Or
Click No to discard any inputs and close the Confirm window.
Create Building Level
Creates a new building level.
 
Name
Input a name for the new building level element or select Autoname.
Attributes
Allows you to view and define the new building level attributes.
Elevation
Allows you to input the elevation position for the new building level element.
OK
Click OK to create the building level element in the Design Database and close the Create Level window.
Cancel
Click Cancel to discard any changes and close the Create Level window.
Building levels can be modified and deleted. Refer to Modify Building Level for further information.
Modify Building Level
Modifies the elevation of an existing building level element.
Modify the elevation as required and click OK to save the change or click Cancel to discard any inputs and close the Elevation window.
You can also set/unset the purpose attribute of the STRU element, when set the STRU element is assigned a purpose attribute and displayed in the Building Levels window.
The administrative SBFR level in particular is used to emphasise building elements, such as wall and floors. The elements are called soft type elements which are used at the SBFR level in the hierarchy to represent walls, floors and fittings. Soft type elements have the same attributes as standard elements (GENSEC) but are named differently to identify them.
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