A+ » VCE » Further Maths U3 & 4 Master Notes » OA2 Networks and Decision Mathematics » 7.4 Using Crashing to Reduce Completion Time

7.4 Using Crashing to Reduce Completion Time

Note: if you cannot remember how to determine the critical path of an activity network, revise notes for 7.3 Determine Critical Paths and Float Times.


  • Crashing refers to the process of reducing the duration of one or more activity in a project and then recalculating the project duration.
  • Crashing could represent anything that reduces the duration of an activity, such as hiring more staff, favourable weather, utilising more efficient methods, etc.
  • Crashing an activity on the critical path will generally lower the project duration.
  • Crashing an activity which is not on the critical path will not change the project duration.
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