What are the merits and demerits of pert cpm analysis?

Merits of PERT/CPM

1. Especially useful when scheduling and controlling large projects

2. Straightforward concept and not mathematically complex

3. Graphical networks help to perceive relationships among project activities

4. Critical path and slack time analyses help pinpoint activities that need to be closely watched

5. Project documentation and graphics point out who is responsible for various activities

6. Applicable to a wide variety of projects

7. Useful in monitoring not only schedules but costs as well

Demerits of PERT/CPM

1. Project activities have to be clearly defined, independent, and stable in their relationships

2. Precedence relationships must be specified and networked together

3. Time estimates tend to be subjective and are subject to fudging by managers

4. There is an inherent danger of too much emphasis being placed on the longest or critical path

-By Kuldeep Shukla