Hierarchy

Cable Trays User Guide

Cable Trays : Hierarchy

All database elements are owned by other elements, therefore elements must be created in a strict order, refer to the figure below for further information.

The following database elements are common to all DESIGN disciplines:

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For more information on the generic hierarchical structure and the design database, refer to Getting Started with Plant.

Cable Tray Specific Hierarchy

Below the zone level in the Cable Tray application, the cable tray specific elements are:

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The Pipe (PIPE) element(s) are administrative and can own a number of branches with a common pipe specification and have any number of ends (refer to Pipe Element for further information).

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The Branch (BRAN) element(s) own a section of pipe (made up from cable tray components) with a known head and tail (refer to Branch Element for further information).

Cable Tray Component

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The Cable Tray component element(s) are owned by Branch elements. These components dictate the shape and geometry of the cable tray. Cable tray components can run from the head to tail of the owning branch but can also be connected to other branches (for example - a tee component), refer to figure below and Cable Tray Components for further information.

You are not able to make any selections from the Cable Tray tab if the correct database hierarchy has not been configured beforehand. For example certain cable tray elements must reside below other elements in the database hierarchy (an overview of the database hierarchy is described in Hierarchy).

If a particular cable tray element cannot be created at the current position in the database hierarchy you receive an error message summarising the problem, for example in the following window an error explains that the element you are attempting to create must be below a branch element.

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