6.3. Consider a project with the following activity list.
ACTIVITY IMMEDIATE ESTIMATED (DURATION) MONTHS
PREDECESSORS
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. – Please do this in excel.
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. Which of the paths is a critical path?
e. What is the critical path?
PLEASE USE THIS TABLE WHEN ANSWERING QUESTIONS B, C AND D.
| Part b, c, d | |||||||
| Activity | ES | EF | LS | LF | Slack | Critical Path | |
| Start | |||||||
| A | |||||||
| B | |||||||
| C | |||||||
| D | |||||||
| E | |||||||
| F | |||||||
| G | |||||||
| H | |||||||
| I | |||||||
| J | |||||||
| K | |||||||
| L | |||||||
| M | |||||||
| N | |||||||
| Finish |
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