Project Management Processes-8

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Chapter9.ProjectScheduling1.pptx

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Project Management: Process, Methodologies, and Economics

Third Edition

Chapter 9

Project Scheduling

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Figure 9-1 W B S for a Microcomputer

Figure 9-2 Modular Array of Project Schedules

Figure 9-3 Frequency Distribution of an Activity Duration

Figure 9-4 Normal Distribution Fitted to the Data

Figure 90-5 Beta Distribution Fitted to the Data

Figure 9-6 Three cases of the beta distribution: (a) symmetric, (b) skewed to the right, and (c) skewed to the left

Figure 9-7 Two Examples of Activity Duration as a Function of Length

Figure 9-8 Typical Scatter Diagram

Table 9-1 Data for Regression Analysis

Figure 9-9 Data Points and Regression Surface for the Example

Figure 9-10 Lead-Lag Relationships in Precedence Diagramming

Table 9-2 Data for Example Project

Figure 9-11 Gantt Chart for an Early-Start Schedule

Figure 9-12 Gantt Chart for an Early-Start Schedule

Figure 9-13 Gantt Chart for the Microcomputer Development Example

Figure 9-14 Extended Gantt Chart with Task Details

Figure 9-15 Network Components

Figure 9-16 Use of a Dummy Arc Between Two Nodes

Figure 9-17 (a) Incorrect and (b) Correct Representation

Figure 9-18 Subnetwork with Two Dummy Arcs: (a) Incorrect, (b) Correct

Figure 9-19 Subnetwork with Complicated Precedence Relations: (a) Incorrect, (b) Correct

Figure 9-20 Partial Plot of the Example A O A Network

Figure 9-21 Using Dummy Activities to Represent Precedence Relations

Figure 9-22 Network with Activities F and G Included

Figure 9-23 Complete A O A Project Network

Figure 9-24 Network for Example 9-4

Table 9-3 Sequences in the Network

Table 9-4 Summary of Event Time Calculations

Table 9-5 Summary of Start and Finish Time Analysis

Figure 9-25 A O N Network for the Example Project

Table 9-6 Early Start and Early Finish of Project Activities

Table 9-7 Late Finish and Late Start of Project Activities

Figure 9-26 Serial Activities in Simple C P M Network

Figure 9-27 Gantt Chart for Serial Network

Figure 9-28 Serial Network with Lead and Lag Constraints

Figure 9-29 Gantt Chart for Network with Lead and Lag Constraints

Figure 9-30 Partitioning of Overlapping Activities

Figure 9-31 A O N Network of Partitioned Activities

Figure 9-32 Second Example of an A O N Network with Serial Activities

Figure 9-33 Compressed Network for Second Example

Figure 9-34 A O N Expansion of Second Example

Figure 9-35 Compressed Schedule for Second Example Based on Earliest Start Times

Figure 9-36 Compressed Schedule for Second Example Based on Latest Start Times

Figure 9-37 Example of a Hammock Activity

Table 9-8 Statistics for Example Activities

Table 9-9 Summary of Simulation Runs for Example Project

Figure 9-38 Distribution of Project Length for Simulation Runs

Figure 9-39 Example of Probabilistic Analysis with P E R T

Figure 9-40 Stochastic Network

Figure 9-41 Performance Time Distribution for the Two Sequences

Figure 9-42 Stochastic Network with Dependent Sequences

Table 9-10 Mean Length and Standard Deviation for Sequences in Example Project

Table 9-11 Probability of Completing Each Sequence in 22 Weeks

Table 9-12 Principal Assumptions and Criticisms of P E R T/C P M

Table 9-13

Table 9-14

Table 9-15

Figure 9-43 Networks for Exercise 9-16

Table 9-16

Table 9-17

Table 9-18

Table 9-19

Table 9-20

Table 9-21

Table 9B-1 Learning Curve Values for nβ

Table 9B-2 Cumulative Learning Curve Values for nβ

Table 9C-1 Cumulative Probabilities of the Normal Distribution (areas under the standardized normalized curve from −∞ to z)