Network exercise P 2 Consider the PERTCPM network

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Network exercise (P 2) Consider the PERT/CPM network shown below. 1 D 2 A

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

Network exercise (P 2) b. Add dummy activities that will satisfy the following immediate

Network exercise (P 2) b. Add dummy activities that will satisfy the following immediate predecessor requirements: Activity H I G Immediate Predecessor B, C D, E 2

Network exercise with time (P 4) Construct a PERT/CPM network for a project with

Network exercise with time (P 4) Construct a PERT/CPM network for a project with the following activities and times: Activity A B C D E F G Immediate Predecessor A A C, B D, E Time (months) 4 6 2 6 3 3 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. 3

Consider the following network (P 6) (times are in weeks) C 7 2 A

Consider the following network (P 6) (times are in weeks) C 7 2 A 5 F 3 D 6 1 B 3 5 3 E 7 4 H 8 G 10 6 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? 4

Network exercise with time (P 7) A project involving the installation of a computer

Network exercise with time (P 7) 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? 5