Chapter Six
Developing a Project Plan
6-1
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6–2
Where We Are Now
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Project Management 6e.
6-2
Learning Objectives
Understand the linkage between WBS and the project network
Diagram a project network using AON methods
Calculate early, late, and slack activities times
Identify and understand the importance of managing the critical path
Distinguish free slack from total slack
Demonstrate understanding and application of lags in compressing projects or constraining the start or finish of an activity
6–3
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Chapter Outline
6.1 Developing the Project Network
6.2 From Work Package to Network
6.3 Constructing a Project Network
6.4 Activity-on-Node (AON) Fundamentals
6.5 Network Computation Process
6.6 Using the Forward and Backward Pass
Information
6.7 Level of Detail for Activities
6.8 Practical Considerations
6.9 Extended Network Techniques to Come
Closer to Reality
6–4
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6–5
Developing the Project Network
The Project Network
A flow chart that graphically depicts the logical sequences, interdependencies, and start and finish times of the project activities along with the longest path(s) through the network—the critical path
Provides the basis for scheduling labor and equipment.
Enhances communication among project participants.
Provides an estimate of the project’s duration.
Provides a basis for budgeting cash flow.
Identifies activities that are critical.
Highlights activities that are “critical” and should not be delayed.
Help managers get and stay on plan.
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Project Management 6e.
6-5
6–6
From WBS/Work Package to Network
FIGURE 6.1
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Project Management 6e.
6-6
6–7
Constructing a Project Network
Terminology
Activity: an element of the project that requires time but may not require resources
Merge Activity: an activity that has two or more preceding activities on which it depends (more than one dependency arrow flowing into it)
Parallel Activities: Activities that can occur independently and, if desired, not at the same time
A
C
D
B
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