Project management PERT Chart or network diagram forward pass and backward pass, finding the critical path, including a practice activity. Project schedule management. At the end, the relationship between critical path analysis/network diagrams or PERT Charts in relation to Gantt charts is also discussed. Part 1 was an introduction to network diagrams and the critical path, with a practical activity. Part 1:    • What is a PERT chart or Project Netwo...