Charlie Cook was able to determine the activity times for constructing his chemi
ID: 1253054 • Letter: C
Question
Charlie Cook was able to determine the activity times for constructing his chemical contaminant tracking machine.A) Cook would like to determine ES, EF, LS, and LF for each activity. Here are the activity times (12 marks):
Activity Time (weeks) Activity Time (weeks)
A 6 E 4
B 7 F 6
C 3 G 10
D 2 H 7
B) Determine the slack time for each activity. (3 marks)
C) Determine the total project completion time. (1 mark)
D) Identify the activities on the critical path. (1 mark)
E) Draw a Gantt chart for the project. (5 marks)
Explanation / Answer
Activity Time ES EF LS LF Slack Critical A 6 0 6 2 8 2 No B 7 0 7 0 7 0 Yes C 3 6 9 8 11 2 No D 2 6 8 12 14 6 No E 4 7 11 7 11 0 Yes F 6 7 13 8 14 1 No G 10 11 21 11 21 0 Yes H 7 13 20 14 21 1 No The critical path is given by or activities: B, E, G Total project completion time is 21 days