checklist for precedence diagrams

  1. provide a legend that shows location of:
    1. activity name
    2. activity duration
    3. early event time
    4. late event time
    5. activity total float
  2. neatly draw each activity arrow from left to right
  3. there should be one single starting activity
  4. there should be a single ending activity
  5. include nodes for project milestones
  6. try to horizontally align activities on the same path
  7. redraw the diagram, as needed, to eliminate crossed logic arrows
  8. after calculating the network clearly identify the critical path
  9. use complementary finish-to-finish logic for each start-to-start sequence