ContentsINTRODUCTION 1
Bar Charts 2
Shortcomings of Bar Charts 3
Value of Bar Charts 5
Reasons for Planning and Scheduling in Construction 8
CHAPTER 1 DEVELOPING A NETWORK MODEL 10
Steps in Building a Network Model 10
Defining Activities 11
Ordering Activities 13
Drawing the Network Diagram 16
Assigning Durations to Activities 18
Assigning Resources and Costs 19
Calculating Early and Late Start/Finish Times 19
Scheduling Activity Start/Finish Times 20
Final Comments 20
Review Questions 20
CHAPTER 2 DEVELOPING AN ARROW-DIAGRAM NETWORE 21
Activity Relationships 22
The i-j Notation of Activities 25
Dummies 25
Other Activity Relationships 31
Final Comments 34
Review Problems 35
CHAPTER 3 PERFORMING TIME CALCULATIONS WITH ARROW DIAGRAMSCalculating Start and Finish Times 38
Float Values 46
Early Start 51
Scheduling Actual Start and Finish Times 51
Late Start 52
Between Early and Late Start 52
？ to Early Start 52
After Late Start 52
Understanding Total Float and Free Float 53
Independent Float and Interfering Float 56
Final Comments 59
Review Problems 59
CHAPTER 4 PRECEDENCE DIAGRAMS 66
Precedence(Activity-on-Node)Networks 66
Calculations on a Precedence Network 71
Final Comments 78
Review Problems 79
CHAPTER 5 DETERMINING ACTIVITY DURATIONS 87
Estimating 87
Types of Estimates 87
Conceptual Estimates 87
Detailed Estimates 88
Conducting a Detailed Estimate 88
Estimating Durations 94
Scheduling Issues 97
Factors Influencing Choice of Activiry Schedules 98
Weather and the Schedule 99
Uncertainty in Duration Estimates 100
Review Questions 103
Final Comments 103
CHAPTER 6 TIME IN CONTRACT PROVISIONS 105
Notice to Proceed 106
Time of Completion 106
Time Is of the Essence 107
Liquidated Damages—Damages for Late Completion 107
Suspension 109
Weather 109
Use of Completed Portions of the Work 110
Substantial Completion 111
Notice of Delays 111
Unavoidable Delays 112
Avoidable Delays 112
Extension of Time(Avoidable Delays) 113
Extension of Time(Unavoidable Delays) 113
Ownership of Float 115
Units of Time:Working Days or Calendar Days 116
Submittals 119
Cooperation 120
Progress Payments 121
Final Payment 123
Payment for Materials 123
Termination by Contractor 124
Requirements for Project Coordination 124
Progress Schedule 125
Final Comments 130
Review Questions 131
CHAPTER 7 RESOURCE ALLOCATION AND RESOURCE LEVELING 132
The Management of Resources 133
When Resources Are Limited(Resource Allocation) 134
The Manual Solution for Resource Allocation 135
The Brooks Method of Resource Allocation 144
When Project Duration Is Fixed(Resource Leveling) 151
The Manual Solution for Resource Leveling 153
Final Comments 160
Review Problems 161
CHAPTER 8 MONEY AND NETWORK SCHEDULES 176
Cash Flow 177
The Time Value of Money 177
Interest Rates 177
Contractor Cash Disbursements 178
Contract Provisions That Impact Cash Flow 180
The Cash-Flow Analysis 182
Owner Policies and Practices That Impact Cash Flow 182
The Value of Cash-Flow Analysis 184
The Present Worth of Cash Flow 184
Time/Cost Trade-Offs 186
Direct Costs 187
Overhead(Company Overhead) 188
Profit 188
Indirect Job Costs(Job Overhead) 188
Four Different Solutions for Each Network 191
Logically Reducing Project Duration 192
Final Comments 202
Review Problems 203
Construction Time 208
CHAPTER 9 PROJECT MONITORING AND CONTROL 208
Effective Scheduling 210
Monitoring Project Status 211
Updating the Schedule 216
Difficulties in Assessing Progress 216
Controlling the Project 217
As-Built Schedules 220
Final Comments 222
Review Questions 223
CHAPTER 10 COMPUTER SCHEDULING 224
Computer Scheduling Terms 226
Primavera(P3？) 228
Scheduling Software 228
Computers Associates SuperProject 229
SureTrak Project Manager 229
Creating a Schedule 230
Microsoft Project 230
Presenting a Schedule 234
Updating a Schedule 234
Useful Software Features 235
Sorting and Filtering 236
Cash-Flow Analysis 237
Resource Leveling 237
Final Comments 237
Global Editing 237
Review Questions 238
CHAPTER 11 EARNED VALUE:A MEANS FOR INTEGRATING COSTS AND SCHEDULE 239
The Earned Value Concept 240
Difficulties in Integrating Cost and Schedule Systems 241
Final Comments 243
Review Questions and Problems 243
CHAPTER 12 THE IMPACT OF SCHEDULING DECISIONS ON PRODUCTIVITY 247
Working Overtime 247
Increasing the Workforce(Crowding) 249
Interruption of Work on Multiple Units(Impact of Lost Learning) 250
Increasing the Number of Starting Points 250
Learning Applied to Individual Units 253
Learning Applied to Cumulative Units 255
What Happens When Work Is Interrupted? 257
Final Comments 260
Review Questions 260
CHAPTER 13 CPM IN DISPUTE RESOLUTION AND LITIGATION 263
Going to Court 263
Review Questions 269
Final Comments 269
CHAPTER 14 SHORT-INTERVAL SCHEDULES 270
Short-Interval Schedules in the Literature 272
How Contractors Use Short-Interval Schedules 272
Other Short-Interval Schedules 277
Final Comments 282
Review Questions 282
CHAPTER 15 LINEAR SCHEDULING 283
What Is Linear Scheduling? 284
Example 1:Project to Replace a State Park Walkway 288
Velocity Diagram 288
Buffers 289
Generating the Linear Schedule 289
Example 2:Project to Construct 500 Tract Housing Units 292
Review Questions 296
Final Comments 296
CHAPTER 16 PERT:PROGRAM EVALUATION AND REVIEW TECHNIQUE 297
Uncertainty in Activity Duration Estimates 297
Uncertainty in the Duration Estimates of an Activity Chain 301
Uncertainty in the Duration Estimates of Projects 303
Monte Carlo Simulation 304
Final Comments 305
Review Problems 305
REFERENCES 309
ADDITIONAL REFERENCES 311
INDEX 315