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Work Breakdown Structure and the "Yellow Sticky" Process

Project Management. Work Breakdown Structure and the "Yellow Sticky" Process. glb - 5/2003. Project Management The Work Breakdown Structure. What is a project?. A temporary endeavor undertaken to create a unique product or service. What is a Work Breakdown Structure (WBS)?.

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Work Breakdown Structure and the "Yellow Sticky" Process

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  1. Project Management Work Breakdown Structure and the "Yellow Sticky" Process glb - 5/2003

  2. Project Management The Work Breakdown Structure What is a project? A temporary endeavor undertaken to create a unique product or service. What is a Work Breakdown Structure (WBS)? An activity oriented family-tree division of work tasks that define the entire project.

  3. The Work Breakdown Structure WBS Terminology: Activity: A task or work package performed over a period of time. Relationships/Precedence: Dependencies that exist between activities. Duration: Length of the period of time to complete a task. Milestone: Zero time duration activity. Early Start: The earliest an activity can start based on project logic. Late Start: The latest an activity can start without delaying a project completion. Early Finish: The earliest an activity can finish based on early start and duration. Late Finish: Latest an activity can finish without delaying a project completion. Float: The amount of time an activity can be delayed without delaying the project finish date. Total Float: The amount of time that a pathway may be delayed from it's early start without delaying the project finish date. Critical Path: The longest time period from start to completion of a project; also the shortest total length of the project.

  4. The Work Breakdown Structure • Task Relationships: • Finish to Start: Activity 1 must be totally finished before activity 2 can start. Activity 2 Activity 1 • Start to Start: Activity 2 can not start before activity 1 starts. Activity 1 Activity 2

  5. The Work Breakdown Structure • Task Relationships: • Finish to Finish: Activity 2 can not finish until activity 1 finishes. Activity 1 Activity 2

  6. The Work Breakdown Structure "Yellow Sticky" Exercise: Early Start Early Finish Task Name / Brief Description: Duration: Resource: Late Start Late Finish Uses 3 X 5 Yellow Stickum Note Pads

  7. The Work Breakdown Structure Yellow Sticky Exercise: Make Breakfast - Activities/Tasks To Make: Toast, Eggs, and Coffee Toast Setup Eggs Coffee Get Pan Get Bread Put Water In Get Dishes Toast It Melt Butter Set Table Put Coffee In Turn on Maker Cook Egg Butter Toast Pour Coffee

  8. The Work Breakdown Structure Yellow Sticky Exercise: Make Breakfast - Set Precedence Butter Toast Toast It Get Bread Get Pan Cook Egg Melt Butter Start: Alarm Clock Finish: Eat Break- fast Turn on Put Water In Put Coffee In Pour Coffee Set Table Get Dishes

  9. The Work Breakdown Structure Yellow Sticky Exercise: Make Breakfast - Add Durations Butter Toast Toast It Get Bread 1 3 1 Get Pan Cook Egg Melt Butter Start: Alarm Clock Finish: Eat Break- fast 5 2 1 Turn on Put Water In Put Coffee In Pour Coffee 1 1 4 1 Set Table Get Dishes 3 2

  10. The Work Breakdown Structure Yellow Sticky Exercise: Make Breakfast - Perform Forward Pass 6 5 2 5 2 1 Butter Toast Toast It Get Bread 1 3 1 2 9 2 4 1 4 Get Pan Cook Egg Melt Butter Start: Alarm Clock Finish: Eat Break- fast 1 9 5 2 1 1 2 3 2 7 7 3 8 Turn on Put Water In Put Coffee In Pour Coffee 1 1 4 1 3 6 1 3 Set Table Get Dishes 3 2 Determine Early Start and Early Finish

  11. The Work Breakdown Structure Yellow Sticky Exercise: Make Breakfast - Perform Backward Pass 6 5 2 5 2 1 Butter Toast Toast It Get Bread 9 1 8 8 5 3 5 4 1 2 9 2 4 1 4 Get Pan Cook Egg Melt Butter Start: Alarm Clock Finish: Eat Break- fast 1 9 4 4 5 1 2 2 9 2 1 1 1 2 3 2 7 7 3 8 9 Turn on Put Water In Put Coffee In Pour Coffee 2 1 3 4 8 9 3 1 4 4 8 1 3 6 1 3 Set Table Get Dishes 9 3 6 2 6 4 Determine Late Start and Late Finish

  12. The Work Breakdown Structure Yellow Sticky Exercise: Make Breakfast - Determine Critical Path 6 5 2 5 2 1 Butter Toast Toast It Get Bread 9 1 8 8 5 3 5 4 1 2 9 2 4 1 4 Get Pan Cook Egg Melt Butter Start: Alarm Clock Finish: Eat Break- fast 1 9 4 4 5 1 2 2 9 2 1 1 1 2 3 2 7 7 3 8 9 Turn on Put Water In Put Coffee In Pour Coffee 2 1 3 4 8 9 3 1 4 4 8 1 3 6 1 3 Set Table Get Dishes 9 3 6 2 6 4 Key: Any actions to shorten the overall project plan must be done to the critical path.

  13. The Work Breakdown Structure Yellow Sticky Exercise: Make Breakfast - Determine Total Float 6 5 2 5 2 1 Butter Toast Toast It Get Bread 9 1 8 8 5 3 5 4 1 3 2 9 2 4 1 4 Get Pan Cook Egg Melt Butter 0 Start: Alarm Clock Finish: Eat Break- fast 1 9 4 4 5 1 2 2 9 2 1 1 1 1 2 3 2 7 7 3 8 9 Turn on Put Water In Put Coffee In Pour Coffee 2 1 3 4 8 9 3 1 4 4 8 1 3 3 6 1 3 Set Table Get Dishes 9 3 6 2 6 4

  14. The Work Breakdown Structure Yellow Sticky Exercise: Make Breakfast - Determine Activity/Task Float 3 3 3 6 5 2 5 2 1 Butter Toast Toast It Get Bread 9 1 8 8 5 3 5 4 1 0 0 0 2 9 2 4 1 4 Get Pan Cook Egg Melt Butter Start: Alarm Clock Finish: Eat Break- fast 1 9 4 4 5 1 2 2 9 2 1 1 1 1 1 1 1 2 3 2 7 7 3 8 9 Turn on Put Water In Put Coffee In Pour Coffee 2 1 3 4 8 9 3 1 4 4 8 1 3 3 3 6 1 3 Set Table Get Dishes 9 3 6 2 6 4 Activity/Task Float (Exclusive / Or) - Any one task on a pathway can use the total float, or the total float can be shared among all of the tasks on the pathway. However, the total float can not be exceeded without affecting the project end date.

  15. The Work Breakdown Structure WBS Terminology: Activity: A task or work package performed over a period of time. Relationships/Precedence: Dependencies that exist between activities. Duration: Length of the period of time to complete a task. Milestone: Zero time duration activity. Early Start: The earliest an activity can start based on project logic. Late Start: The latest an activity can start without delaying a project completion. Early Finish: The earliest an activity can finish based on early start and duration. Late Finish: Latest an activity can finish without delaying a project completion. Float: The amount of time an activity can be delayed without delaying the project finish date. Total Float: The amount of time that a pathway may be delayed from it's early start without delaying the project finish date. Critical Path: The longest time period from start to completion of a project; also the shortest total length of the project.

  16. Project Management Work Breakdown Structure and the "Yellow Sticky" Process glb - 5/2003

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