q1:What is the minimum number of people who could be working at time t=9? Q2:What is the minimum number of workers required to complete the whole of the above network in optimal time?

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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q1:What is the minimum number of people who could be working at time t=9?

Q2:What is the minimum number of workers required to complete the whole of the above network in optimal time?

Resource levelling:
Key:
A
L
Task ID
5
3
4
Duration
7
12
12
15
15
19
LST
LFT
5
5
8
15
19
EST
EFT
7
7
Slack
P
1
Start
B
E
H
19
20
3
4
19
20
9.
12
11
11
15
3
б
11
11
15
End
F
M
6
4
5
20
6
8
12
12
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19
20
6
б
10
10
12
12
17
2
G
K
6
7
12
12
18
18
20
6.
11
11
17
17
19
1
1
1
In the following 4 questions, we work with the above analysed network and we assume that:
• The project must be completed in its optimal time (20 time units)
• Each task requires exactly 1 human resource allocated to it.
Transcribed Image Text:Resource levelling: Key: A L Task ID 5 3 4 Duration 7 12 12 15 15 19 LST LFT 5 5 8 15 19 EST EFT 7 7 Slack P 1 Start B E H 19 20 3 4 19 20 9. 12 11 11 15 3 б 11 11 15 End F M 6 4 5 20 6 8 12 12 14 14 19 20 6 б 10 10 12 12 17 2 G K 6 7 12 12 18 18 20 6. 11 11 17 17 19 1 1 1 In the following 4 questions, we work with the above analysed network and we assume that: • The project must be completed in its optimal time (20 time units) • Each task requires exactly 1 human resource allocated to it.
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