17.
For each of the problems listed, determine the following quantities for each activity: the earliest start time, latest start time, earliest finish time, latest finish time, and slack time. List the critical activities, and determine the expected duration of the project. |
a.
|
Activity-on-arrow diagram |
Summary: | |||||
Activity | ES | EF | LF | LS | Slack |
1–2 | [removed] | [removed] | [removed] | [removed] | [removed] |
2–4 | [removed] | [removed] | [removed] | [removed] | [removed] |
4–7 | [removed] | [removed] | [removed] | [removed] | [removed] |
7–10 | [removed] | [removed] | [removed] | [removed] | [removed] |
10–12 | [removed] | [removed] | [removed] | [removed] | [removed] |
2–5 | [removed] | [removed] | [removed] | [removed] | [removed] |
5–8 | [removed] | [removed] | [removed] | [removed] | [removed] |
8–10 | [removed] | [removed] | [removed] | [removed] | [removed] |
1–3 | [removed] | [removed] | [removed] | [removed] | [removed] |
3–6 | [removed] | [removed] | [removed] | [removed] | [removed] |
6–9 | [removed] | [removed] | [removed] | [removed] | [removed] |
9–11 | [removed] | [removed] | [removed] | [removed] | [removed] |
11–12 | [removed] | [removed] | [removed] | [removed] | [removed] |
|
b.
|
Activity-on-node diagram |
Summary: | |||||
Activity | ES | EF | LF | LS | Slack |
1 | [removed] | [removed] | [removed] | [removed] | [removed] |
2 | [removed] | [removed] | [removed] | [removed] | [removed] |
3 | [removed] | [removed] | [removed] | [removed] | [removed] |
4 | [removed] | [removed] | [removed] | [removed] | [removed] |
5 | [removed] | [removed] | [removed] | [removed] | [removed] |
6 | [removed] | [removed] | [removed] | [removed] | [removed] |
7 | [removed] | [removed] | [removed] | [removed] | [removed] |
8 | [removed] | [removed] | [removed] | [removed] | [removed] |
9 | [removed] | [removed] | [removed] | [removed] | [removed] |
|
c.
Activity | Immediate
Predecessor |
Estimated Time (days) |
A | — | 15 |
B | A | 12 |
C | B | 6 |
D | B | 5 |
E | C | 3 |
F | — | 8 |
G | F | 8 |
H | F | 9 |
I | G | 7 |
J | H | 14 |
K | J | 6 |
End | D, E, I, K | |
|
Summary: | |||||
Activity | ES | EF | LF | LS | Slack |
A | [removed] | [removed] | [removed] | [removed] | [removed] |
B | [removed] | [removed] | [removed] | [removed] | [removed] |
C | [removed] | [removed] | [removed] | [removed] | [removed] |
E | [removed] | [removed] | [removed] | [removed] | [removed] |
D | [removed] | [removed] | [removed] | [removed] | [removed] |
F | [removed] | [removed] | [removed] | [removed] | [removed] |
G | [removed] | [removed] | [removed] | [removed] | [removed] |
I | [removed] | [removed] | [removed] | [removed] | [removed] |
H | [removed] | [removed] | [removed] | [removed] | [removed] |
J | [removed] | [removed] | [removed] | [removed] | [removed] |
K | [removed] | [removed] | [removed] | [removed] | [removed] |

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