IGNOU MMPL 1 2026 2027 - Explain the significance of calculating Total Float and Free Float in

Question

Explain the significance of calculating Total Float and Free Float in CPM. How does identifying the Critical Path assist a project manager in resource leveling and crashing a project schedule?

09 Jul 2026

Answer :

Word Count : 644

In the Critical Path Method (CPM), the concepts of Total Float, Free Float, and Critical Path play a vital role in planning, scheduling, monitoring, and controlling projects. These concepts help project managers understand the flexibility available in project activities and identify those tasks that require the highest level of attention. Accurate calculation of float values enables efficient utilization of resources, timely completion of projects, and effective decision-making during project execution. Total Float is the amount of time an activity can be delayed without affecting the overall project completion date. It is calculated as the difference between the latest allowable start time and the earliest start time, or between the latest finish time and the earliest finish time of an activity. Activities with positive Total Float have scheduling flexibility, while activities with zero Total Float lie on the Critical Path. Calculating Total Float helps project managers identify which activities

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