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12-1 Resource Management Chapter 12 Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall.

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Presentation on theme: "12-1 Resource Management Chapter 12 Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall."— Presentation transcript:

1 12-1 Resource Management Chapter 12 Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

2 12-2 Types of Constraints  Time  Resource  Mixed Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

3 12-3 Resource Loading The amounts of individual resources that a schedule requires during specific time periods. Resource loading table Resource NameWorkDetails5/55/125/195/26 Tom40 hrsWork8h32h Assign Bids40 hrsWork8h32h Jeff40 hrsWork8h32h Calculate Cost40 hrsWork8h32h Sue40 hrsWork8h32h Select Bid40 hrsWork8h32h Carol8 hrsWork8h PR Campaign8 hrsWork8h Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

4 12-4 Resource Leveling (Smoothing) A multivariate, combinatorial problem Objectives To determine the resource requirements so that they will be available at the right time To allow each activity to be scheduled with the smoothest possible transition across resource usage levels Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

5 12-5 Prioritization Rules for Leveling  Smallest amount of slack  Smallest duration  Lowest ID number (FCFS)  Greatest number of successor tasks  Requiring the most resources Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

6 12-6 General Procedure for Leveling 1.Create a project activity network diagram 2.Develop resource loading table 3.Determine activity late finish dates 4.Identify resource over allocation 5.Level the resource loading table Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

7 12-7 Creating Resource Loading Charts (1/4) Display the amount of resources required as a function of time. 0 A4 Res = 6 4 B5 Res = 2 5 D9 Res = 7 9 E11 Res = 3 4 C7 Res = 2 11 F12 Res = 6 1.Start with a network diagram Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

8 12-8 Creating Resource Loading Charts 2/4 ActivityResourceDurationESSlackLF A64004 B21405 C D74509 E3290 F Produce a table that shows the duration, early start, late finish, slack, and resource(s) required for each activity. Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

9 12-9 Creating Resource Loading Charts 3/4 A C B D E F Project Days Resources 3.Draw an initial loading chart with each activity scheduled at its ES. Resource imbalance Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

10 12-10 Creating Resource Loading Charts 4/4 4.Rearrange activities within their slack to create a more level profile. Splitting C creates a more level project. A C B D E F Project Days Resources C Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

11 12-11 Key Parameters in Multi-Project Environments  Schedule slippage  Resource utilization  In-process inventory Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

12 12-12 Prioritizing Resource Allocations in Multi-Project Environments First come first served Greatest resource demand Greatest resource utilization Minimum late finish time Mathematical programming Copyright © 2010 Pearson Education, Inc. Publishing as Prentice Hall

13 12-13


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