Question: A construction project involves the following activities. Draw the Activity on Arrow (A-O-A) network diagram and mark the critical path. What is Project Completion time?

A construction project involves the following activities. Draw the Activity on Arrow (A-O-A) network diagram and mark the critical path. What is Project Completion time?

Activity

1-2

1-3

2-4

3-5

4-6

5-6

6-7

5-7

Preceding activity

-

-

1-2

1-3

1-3 and 2-4

3-5

4-6 and 5-6

3-5

Please provide a detailed explanation. I donot want a copy paste of the existing answer to this question on Chegg.

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