Draw a project network from the following information

1. Draw a project network from the following information. What activity(s) is a burst activity? What activity(s) is a merge activity?

ID

Description

Predecessor

A

Order review

None

B

Order standard parts

A

C

Produce standard parts

A

D

Design custom parts

A

E

Software development

A

F

Manufacture custom parts

C,D

G

Assemble

B,F

H

Test

E,G

2. You are managing a product upgrade project for Bangkokagogo. Given the project network that follows, complete the forward and backward pass, compute activity slack, and identify the critical path. Use this information to create a Gantt chart for the project. Be sure to show slack for noncritical activities.

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The critical path is?

What is the Slack for C?

What is the Slack for D?

What is the Slack for E?

What is the Slack for F?

What is the Length of the project?

Time periods

3.From the following information, compute the early, late, and slack times for each activity. Identify the critical path.

ID

Task

Duration

Predecessor

Additional Lag Relationships

Lag

A

Design

5

B

Order Parts

1

A

Start-start A to B

4

C

Code Software

6

A

D

Assemble

3

B

Finish-start B to D

3

E

Debug

3

C

Start-start C to E Finish-finish C to E

2 2

F

Install

1

E,D

The critical path is

What is the ES for activity C?

What is the KF for activity E?

What is the Slack for the start of activity C?

What is the Slack for the start of activity E?

What is the Slack for the end of activity E?

What is the Length of the project?

Time periods

4.From the following information, draw the project network. Compute the early, late, and slack times for each activity. Identify the critical path.

ID

Task

Duration

Predecessor

Additional Lag Relationships

Lag

A

Design kitchen

3

B

Tear down

3

A

Start-start A to B

2

C

Order appliances

1

A

D

Build cabinets

7

A

E

Install cabinets

2

B, D

Start-start D to E Finish-finish D to E

5 1

F

Install appliances

2

C, E

Finish-start C to F

5

G

Inspect

1

F

The critical path is

What is the ES for activity D?

What is the LF for activity E?

What is the Slack for the start of activity E?

What is the Slack for the end of activity E?

What is the Slack for the end of activity B?

What is the Length of the project?

Time periods