You can view part location information and modify the X, Y, and Z insertion points relative to the current coordinate system and rotation angle of the part. You can also specify elevation, start, mid, and end point values. Location details are available on the properties dialog box for duct or MvParts. For other parts, such as cable tray as shown next, click 
(Additional information) on the Properties palette to open the Location dialog box.
Location properties for Cable Tray