Critical Path Analysis Notes

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Critical Path Analysis Notes

  1. 1. Critical Path Analysis
  2. 2. Critical Path Analysis
  3. 3. Planning and Monitoring Tool
  4. 4. Critical Path Analysis <ul><li>May be used as part of the decision making process </li></ul><ul><li>Enables a firm to plan and monitor operations </li></ul><ul><li>Time related – identifies the maximum time for an operation to be completed </li></ul><ul><li>Identify potential problems in implementing operation </li></ul><ul><li>Identifies where and when resources (including human ones) are needed </li></ul>
  5. 5. Critical Path Analysis <ul><li>Advantages </li></ul><ul><ul><li>Maximise efficiency in the use of time </li></ul></ul><ul><ul><li>Improve efficiency and generate cost saving in the use of resources </li></ul></ul><ul><ul><li>Beneficial to monitoring cash flow </li></ul></ul><ul><li>Disadvantages </li></ul><ul><ul><li>Usefulness may be limited in complex and large scale operations </li></ul></ul><ul><ul><li>Necessity of having clear and reliable information </li></ul></ul><ul><ul><li>Skilled management and team philosophy is essential </li></ul></ul>
  6. 6. The Process
  7. 7. CPA – the Process <ul><li>Identify and prioritise the activities </li></ul><ul><li>Identify which activities MUST be done before others </li></ul><ul><li>EST – identify earliest start time </li></ul><ul><li>LFT – identify latest finish time </li></ul><ul><li>Identify the FLOAT – tasks which can be completed outside the critical path </li></ul><ul><li>Identify the critical path – points connecting ESTs and LFTs (where these are the same) </li></ul>
  8. 8. Critical Path Analysis Nodes: Show the start and finish of a task Node numbers showing order of activities in the left hand semi-circle of each node. 3 Earliest Start Time (EST) 5 Latest Finish Time (LFT) A 3 B 5 Arrows indicate the order of the tasks, the letter above shows the order, the time period below the arrow The Critical Path 1 2

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