presentation project management final
TRANSCRIPT
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Scheduling Resourcesand Costs
Chapter 8
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Scrambled Eggs
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Introduction
Resource dependency > technological/logical
dependency
Types of Resource Constraints:- People
- Material
- Equipment
- physical factors
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Introduction
Resource scheduling problem:
- time constrained projects
- resource constrained projects
Resource schedule
Assign time-phased costs
Project budget base-line
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Resource allocation methods
Time-constrained project focuses on resource utilization
SMOOTHING resource demand
3 goals of Smoothing:
Reduce the peak of demand for the resource
Reduce resources over the life of the project
Minimize the fluctuations in resource demand
Drawbacks:
Loss of flexibility
Increase of the risk of delaying project
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Resource allocation methods
Resource-constrained project focuses on resource
prioritization, allocation:
MATHEMATICAL solutions >> Impractical for large problems
Use of HEURISTICS
Heuristic priority rules:
1. Minimum slack
2. Smallest duration
3. Lowest activity identification number
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Computer demonstration of
resource-constrained scheduling ! The software is not managing the project, but a tool
1st option: leveling within the slack: goal? To preserve the
original finished date
2nd option: Leveling outside of slack: csq? Extension of the
duration project
Drawbacks:
Reduce slacks >> Reduce flexibility
Increase the number of critical activities
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Splitting tasks
Scheduling technique towards better project schedule and
increase resource utilisation
Starting diversion (resource, equipment or people)
resumption
Limitationinterruption/Large start up or shut down costs
Lengthens the time of the original activity
Conclusion costs are minimal and time is not absolutely
constraint
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Benefits of scheduling
resources
Time to consider reasonable alternative
Cost time trade offs
Changing priorities
Ability to prepare time phased work package budgets with
dates
Flexibility assessment
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Assigning project work
Match demands & requirements with qualification &
experience
Temporary usage
Who does what and who works with whom?
Matching experienced with new workers
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Multi-project Resource Schedules
Overall Schedule Slippage
Inefficient resource utilization
Resource bottlenecks
Solutions:
First come first served system > queue system
Information Systems:
Outsourcing:
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Resource Schedule to develop a
project cost baseline
Why do we need a time-phased budget baseline
Throughout the life of the project there is no way to know how
much work was accomplished for the money spent
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Questions?