Now we start building detail blueprint from ideas.
SOW is more like talking about what we need at last. WBS is more like putting what we need on activity.
First step, starting at the top. Doing top-down approach. SOW deliverable are good candidates to be top items (called summary tasks). Then add "verb" to make items to become activities. There are several favors to organize WBS. Some may emphasize on components when some may emphasize on phases.
A key point regarding the relationship between top and bottom items is the sum of bottom items should be same as top item.
Work package size is a guideline which requres PM to make tasks smaller. Common rules are like 8/80 [no task smaller than 8 hours or larger than 80 hours] and reporting period rule [no task be longer than distance between two status points].
When PM plans for completion, PM also need to plan for quality. An early action for better quality can save tons fixes later.
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