Assignment
1. Draw a project network from the following information. What activity(s) is a burst activity? What activity(s) is a merge activity?
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ID
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Description
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Predecessor
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A
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Order review
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None
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B
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Order standard parts
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A
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C
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Produce standard parts
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A
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D
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Design custom parts
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A
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E
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Software development
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A
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F
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Manufacture custom parts
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C,D
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G
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Assemble
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B,F
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H
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Test
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E,G
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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?
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What is the Slack for C?
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What is the Slack for D?
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What is the Slack for E?
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What is the Slack for F?
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What is the Length of the project?
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Time periods
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3. From the following information, compute the early, late, and slack times for each activity. Identify the critical path.
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ID
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Task
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Duration
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Predecessor
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Additional Lag Relationships
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Lag
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A
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Design
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5
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|
|
|
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B
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Order Parts
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1
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A
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Start-start A to B
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4
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C
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Code Software
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6
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A
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|
|
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D
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Assemble
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3
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B
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Finish-start B to D
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3
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E
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Debug
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3
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C
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Start-start C to E
Finish-finish C to E
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2
2
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F
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Install
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1
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E,D
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The critical path is
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What is the ES for activity C?
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What is the KF for activity E?
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What is the Slack for the start of activity C?
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What is the Slack for the start of activity E?
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What is the Slack for the end of activity E?
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What is the Length of the project?
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Time periods
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4. From the following information, draw the project network. Compute the early, late, and slack times for each activity. Identify the critical path.
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ID
|
Task
|
Duration
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Predecessor
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Additional Lag Relationships
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Lag
|
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A
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Design kitchen
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3
|
|
|
|
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B
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Tear down
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3
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A
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Start-start A to B
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2
|
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C
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Order appliances
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1
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A
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|
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D
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Build cabinets
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7
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A
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|
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E
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Install cabinets
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2
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B, D
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Start-start D to E
Finish-finish D to E
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5
1
|
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F
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Install appliances
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2
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C, E
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Finish-start C to F
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5
|
|
G
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Inspect
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1
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F
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The critical path is
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What is the ES for activity D?
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What is the LF for activity E?
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What is the Slack for the start of activity E?
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What is the Slack for the end of activity E?
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What is the Slack for the end of activity B?
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What is the Length of the project?
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Time periods
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