Network exercise (P2) Consider the PERT/CPM network shown below. D A 2

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Presentation transcript:

Network exercise (P2) Consider the PERT/CPM network shown below. D A 2 3 E F B G J 1 4 6 7 H C I 5 a. Add the dummy activities that will eliminate the problem of activities having the same starting and ending nodes.

Network exercise (P2) b. Add dummy activities that will satisfy the following immediate predecessor requirements: Immediate Activity Predecessor H B, C I B, C G D, E

Network exercise with time (P4) Construct a PERT/CPM network for a project with the following activities and times: Activity Immediate Time Predecessor (months) A - 4 B - 6 C A 2 D A 6 E C, B 3 F C, B 3 G D, E 5 a) Find the critical path for this project network. b) This project must be complete in 1 1/2 years; do you anticipate difficulty in meeting the deadline? Explain.

Consider the following network (P6) (times are in weeks) 7 2 5 A 5 F 3 D 6 H 8 1 G 10 4 6 B 3 E 7 3 a. Identify the critical path. b. How long will it take to complete this project? c. Can activity D be delayed without delaying the entire project? How about activity C? If so, how many weeks? d. What is the schedule for activity E?

Network exercise with time (P7) A project involving the installation of a computer system consists of eight activities. The immediate predecessor and activity time in weeks are shown below: Activity Immediate Time Predecessor (weeks) A - 3 B - 6 C A 2 D B,C 5 E D 4 F E 3 G B,C 9 H F,G 3 a. Draw the PERT/CPM network for this project. b. What are the critical path activities? c. What is the expected project completion time?