operational research (o.r.) case studies
TRANSCRIPT
OperationalResearch (O.R.)
case studies
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What’s the problem?
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You are a property developer…
You are renovating a houseThere are various tasks that this involvesWhich will each take a different time to complete
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Some tasks have to be finished before others can begin
You want to complete the renovation as quickly as possible
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Is it possible to complete the project before your deadline?
In what order should you do the activities to complete the project as early as possible?
And how many workers will you need and how will you assign them activities?
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What do we need to know?
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Something like this…Activity Time needed to complete
Substantial repairs to the roof 8 days
Internal structural work 4 days
Electrical work 7 days
Plumbing 6 days
Installing a new kitchen 3 days
Installing a new bathroom 4 days
Garden 5 days
Plastering 4 days
Internal decoration 5 days
Fitting carpets 1 day
Outside paintwork 5 days
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Then we are ready to consider how to manage the project
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Let’s summarise the problem
We need to plan a project involving several activities of different lengths
Some of these activities depend on the completion of others
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We want to plan the order of activities
that will finish the project in the
shortest possible time
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This is an example of
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Other examples of where this might be
usedBusinesses, hospitals, schools
(in fact anywhere where complex projects take place)
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Over the next few lessons we will learn how to approach problems of this type…
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O.R.:THE SCIENCE OF BETTER
For more about O.R. visit www.scienceofbetter.co.uk
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