The shortest time a project can be completed is called the minimum completion time. The following video highlights how to calculate and find the minimum completion time (EST and LST) using critical path analysis and network diagrams in QCE General Maths.
What is Forwards and Backwards Scanning?
The following video demonstrates how forwards and backwards scanning works in critical path analysis in order to determine the earliest start time and latest start time.
Examples
The following videos complete exam-style questions to help you understand forwards and backwards scanning.
Part 1:
Part 2:
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