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4_Project_Management_Supplementary_Exercises

4_Project_Management_Supplementary_Exercises -...

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Supplementary Exercises on Project Management Question 1 Consider a project with the following activity list. Activity Immediate Predecessors Estimated Duration (months) A 1 B A 2 C B 4 D B 3 E B 2 F C 3 G D,E 5 H F 1 I G, H 4 J I 2 K I 3 L J 3 M K 5 N L 4 a) Construct the project network for this project. b) Find the earliest start time and earliest finish time for each activity. c) Find the latest start time and latest finish time for each activity. d) Find the slack for each activity. Identify critical path(s)? Solutions to Question 1: a) b, c, & d) Activity ES EF LS LF Slack Critical Path Start 0 0 0 0 0 Yes A 0 1 0 1 0 Yes B 1 3 1 3 0 Yes C 3 7 3 7 0 Yes D 3 6 3 6 0 Yes E 3 5 4 6 1 No F 7 10 7 10 0 Yes G 6 11 6 11 0 Yes H 10 11 10 11 0 Yes I 11 15 11 15 0 Yes J 15 17 15 17 0 Yes K 15 18 16 19 1 No L 17 20 17 20 0 Yes M 18 23 19 24 1 No N 20 24 20 24 0 Yes Finish 24 24 24 24 0 Yes Critical Paths: Start A B C F H I J L N Finish Start A B D G I J L N Finish
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