Construct a network diagram for the project

Construct a network diagram for the project

Homework: AIB Problems

In this homework assignment, you will be working through four Activity In Box (AIB) problems. Using the activity, duration, and predecessor information given in this document, you should first construct a network for each project. (Each problem will have its own network.) Once you have constructed the network, please answer the corresponding questions.

Problem 1

The following data were obtained from a project to create a new fitness tracker.

Activity Duration Predecessors

A 5 Days —

B 6 Days —

C 8 Days —

D 4 Days A, B

E 3 Days C

F 5 Days D

G 5 Days E, F

H 9 Days D

I 12 Days G

Step 1: Construct a network diagram for the project

Step 2: Answer the following questions:

a) What is the Scheduled Completion of the Project?

b) What is the Critical Path of the Project?

c) What is the ES for Activity F?

d) What is the LS for Activity G?

e) What is the EF for Activity B?

f) What is the LF for Activity D?

g) What is the float for Activity H?

Problem 2

The following data were obtained from a project to build a sail boat:

Activity Duration Predecessors

A 6 weeks —

B 6 weeks —

C 5 weeks B

D 4 weeks A, C

E 5 weeks B

F 7 weeks D, E, G

G 4 weeks B

H 8 weeks F

I 5 weeks G

J 3 week I

Step 1: Construct a network diagram for the project.

Step 2: Answer the following questions:

a) Calculate the scheduled completion time.

b) Identify the critical path

c) What is the LF for Activity H?

d) What is the ES for Activity B?

e) What is the LS for Activity E?

f) What is the slack time (float) for Activity D?

g) What is the slack time (float) for Activity G?

Problem 3

The following data were obtained from a project to remodel a kitchen:

Activity Duration Predecessors

A 5 Days —

B 8 Days —

C 6 Days A

D 4 Days C, B

E 5 Days A

F 4 Days D, E, G

G 4 Days B, C

H 3 Day G

Step 1: Construct a network diagram for the project.

Step 2: Answer the following questions:

a) Calculate the scheduled completion time.

b) Identify the critical path(s)

c) What is the EF for Activity G?

d) What is the ES for Activity C?

e) What is the EF for Activity D?

f) What is the LS for Activity E?

g) What is the slack time (float) for Activity H?

Problem 4

The following data were obtained from a project to design a new software package:

Activity Duration Predecessors

A 4 days —

B 3 days A

C 5 days A

D 3 days A

E 3 days B

F 2 days D

G 6 days C,E,F

H 3 days C,E,F

I 2 days G,H.

Step 1: Construct a network diagram for the project.

Step 2: Answer the following questions:

a) Calculate the scheduled completion time.

b) Identify the critical path

c) What is the LS for Activity E?

d) What is the LF for Activity D?

e) What is the ES for Activity A?

f) What is the slack time (float) for Activity C?

g) What is the slack time (float) for Activity I?

h) What is the slack time (float) for Activity F?

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