Step 1: Create a Project Table. Start by entering your project information into the spreadsheet, ... The next step is to add another series to your Excel chart to reflect each task’s duration.

Table of Contents. What Is a PERT Chart? How It Works. Interpretation. ... For example, if an arrow is drawn from task 1 to task 2 on a PERT chart, task 1 must be completed before work on task 2 ...