Chapter Three Part One Problems

Question #1 - /18 marks

A network consists of the activities in the following list. Times are given in weeks.

Activity

Preceding

Duration

A

--

8

B

--

3

C

A

7

D

A, B

3

E

C

4

F

D

6

a. Draw the AON network diagram. (3 marks for attempting the diagram, 1 mark for correct diagram)

b. Calculate the ES, EF, LS, LF, and Slack for each activity. (6 marks for showing calculations for each, 4 marks for correct answers)

c. What is project completion time? (3 marks for showing calculations, 1 mark for correct answer)

Question #2 - /18 marks

Draw the AOA (3 marks for attempting diagram, 1 mark for correct diagram) and AON (3 marks for attempting diagram, 1 mark for correct diagram) networks for the following project and calculate the minimum project duration (6 marks for showing calculations for each, 4 marks for correct answers).

Activity

Duration

(days)

Immediate

Predecessors

A

10

---

B

8

---

C

2

A

D

4

A

E

5

B, C, D