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O-Calc® Pro

V8.02.12 Patch Release

You can view a PDF copy of the 8.02Patch Release Notes here: O-Calc Pro V8.02.12 Patch Release Notes

V8.02 Updates

You can view a PDF copy of the 8.02 Release Notes here: O-Calc Pro V8.02 Release Notes

O-Calc Pro News – June 2, 2025

Modeling Non-Wood Poles

Understanding NESC 2023 Rule 253

O-Calc® Pro and Conductor Creep

Understanding GO95 Pole Factor of Safety Calculations

Create a Line Design from CSV File

 This article outlines some of the basic concepts behind how Tension Types and Sag are accounted for in O-Calc® Pro. The full primer on this topic is linked here OCP Tension Sag Primer.

Methods for Performing Load Calculations

Within O-Calc Pro Line Design, users can model a line of poles.  This is typically accomplished between dead-end poles, since when the conductors were originally strung, they were tensioned based on the ruling span concept and typically the ruling span is determined between dead-end poles.  

Guying – Over-tension and Pre-stretch