Applications of pert

Related to Project Management

1. APPLICATION OF PERT IN PROJECT MANAGEMENT Presented by- Zulfequar Ali (26) Harshita Ankit (27) Amit Soren (28) Shruti Sagar (29) Nidhi Prawina Tigga (30) 1 2 3 4 5 6 142 weeks

2. Introduction to PERT “Project Evaluation and review Technique" Schedules method originally to plan of manufacturing project. Employs a network interrelated activities. C oordinates optimum cost and time criteria. Emphasizes the relationship between time each activity takes and cost associated for the completion of the entire project.

3. Applications in Project Management PERT is used to plan, schedule and control a wide variety of project: R & D of new products and processes Construction of buildings and highways Maintenance of large and complex equipment Design and installation of new systems

4. Example: Riverwalk Associates Riverwalk Associates is in the business of building elaborate parade floats. Its crew has a new float to build and want to use PERT to help them manage the project . The table on the next slide shows the activities that comprise the project. Each activity’s estimated completion time (in weeks) and immediate predecessors are listed as well. The project manager wants to know the probability to complete the project in 26 weeks, the possible activities and find which activities is the critical path.

5. Project activity initial information: ACTIVITY ( i ) IMMEDIATE PRECEDENCE OPTIMISTIC TIME ( t O ) MOST LIKELY TIME ( t m ) PESSIMISTIC TIME ( t p ) A - 4 6 8 B - 1 4.5 5 C A 3 3 3 D A 4 5 6 E A 0.5 1 1.5 F B,C 3 4 5 G B,C 1 1.5 5 H E, F 5 6 7 I E, F 2 5 8 J D, H 2.5 2.75 4.5 K G, I 3 5 7

6. Activity Expected Time and Variances ACTIVITY ( i ) t e = ( t O + 4 t m + t p )/6 EXPECTED TIME ( t e ) s 2 i = (( t p - t O )/6) 2 VARIANCE ( week 2 ) A 6 4/9 B 4 4/9 C 3 D 5 1/9 E 1 1/36 F 4 1/9 G 2 4/9 H 6 1/9 I 5 1 J 3 1/9 K 5 4/9

7. Project Network(Activity-On-Arrow) The possible paths are- A-D-J = 14 A-E-I-K = 17 A-C-F-H-J = 22 A-E-H-J = 16 A-E-I-K = 17 A-C-F-I-K = 23 B-G-K = 11 B-F-H-J = 17 B-F-I-K = 18

8. Contin . We got the critical path A-C-F-I-K = 23 weeks = t p – t o 2 = 1.41 6 Calculating the probability to complete the project within the stipulated time(26 weeks)- Z = (T A - T E )/ = (26-23)/1.41= 2.12approx. In accordance to the 50% table, Table value= .4830 = .4830+.5 =.9830= 98.30% Therefore the probability for completing the project within 26 weeks is 98.30%.

9. Probability Analysis of the Project Network PERT Analysis for Windows

10. Conclusion