ETAP FAQ # 13
ETAP 4.7.0 includes a completely new Cable Pulling program. This new version has been enhanced with many intelligent features including three-dimensional display of the conduit system, which make it a powerful tool for the design of conduit cable systems.
Create a New Cable Pulling Presentation
To create a Cable Pulling project right click on the cable pulling systems folder and select “create new”. To open the CP1 presentation, double click on its icon and a blank presentation will open. You can rename the presentation by right clicking on its icon and selecting the properties option.
Insert Cables
ETAP’s Cable Pulling program is a fully integrated software
package and this allows the capability of inserting cables from existing
ETAP one-line diagrams and underground raceway systems. You can
easily transfer them to your Cable Pulling presentation.
The conduit cross-sectional view allows you to see the conduit percent fill. The program will give automatic warnings if the percent fill is exceeded.
The pull path is described by individual segments and bend locations. You can edit them by entering their corresponding length, slope, and horizontal angle values. Suppose you have the cable pull situation described below. You can easily create it by entering the listed conduit and cable data.
Results
When you perform the Cable Pulling calculation, the
program displays the calculated forward, reverse and sidewall tensions
below each location on the cable pulling presentation. Complete results
are shown on the Cable Pulling reports. The program flags violations on
the reports, Alert View Window, and the Cable Pulling presentation.
In the following example, the program has detected two sidewall pressure violations. These problems can be corrected by changing the bend radius from 2 ft to 3 ft.
