The document discusses the history and concepts of Critical Path Method (CPM) and Program Evaluation and Review Technique (PERT), which are network analysis techniques used for project management. CPM was developed by DuPont in the 1950s for chemical plant projects, while PERT was developed by the US Navy for the Polaris missile program. Both techniques use network diagrams of activities and their dependencies to analyze the critical path and schedule of a project. CPM uses deterministic activity times while PERT uses probabilistic times to account for uncertainty. The techniques help answer questions about project completion dates, schedules, budgets, and how to finish early.
3. Network analysis Introduction Network analysis is the general name given to certain specific techniques which can be used for the planning, management and control of projects. One definition of a project: “ A project is a temporary endeavour undertaken to create a "unique" product or service”
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15. example Illustration of network analysis of a minor redesign of a product and its associated packaging. The key question is: How long will it take to complete this project ?
16. For clarity, this list is kept to a minimum by specifying only immediate relationships, that is relationships involving activities that " occur near to each other in time".
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18. We shall see below how the network analysis diagram/picture we construct helps us to answer this question.
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