What is bottom-up approach WBS?
A bottom-up approach involves all members of the team working together to determine the necessary tasks to reach that final end product. Example: You are embarking on an entirely new product based on feedback from your customers. You need input from the entire team as this is a process you’ve never been through before.
Is WBS top down or bottom-up?
WBS (work breakdown structure) is a critical phase in project management. It is usually presented as a hierarchical structure, starting with the overall project at the top, followed by sub-projects, work packages, and finally tasks.
When should bottom-up estimating be used?
Bottom-up estimating can be a very accurate method to determine the definitive estimate of a project. It requires a certain amount of resources and an established work breakdown structure. The project must have been broken down to the work package and activities level before you can apply this technique.
What is a bottom-up estimating?
What is bottom-up estimating? Bottom-up estimating is a technique that helps determine the overall cost and timeline of a project. It works by gathering all the details of a project at the most minute level.
What is bottom-up in project management?
The bottom-up style allows managers to communicate goals and value through milestone planning, and team members are encouraged to develop personal to-do lists with the steps necessary to reach the milestones on their own. The team decides which methods they’ll use to perform their tasks.
What are the two main ways of structuring the WBS?
There are essentially two ways to create a Work Breakdown Structure – the top-down or the bottom-up approach.
What are the pros and cons of bottom-up estimating?
Bottom-Up? Not So Fast…
| Pros | Cons |
|---|---|
| Offers a very granular way to decompose a project | Requires significant effort and data granularity |
| Provides connection to detailed project planning | Hard to account for non-linear relationships |
| Highly variable and subjective assumptions around personnel and team productivity |
What is the method to develop WBS?
Rules to create a work breakdown structure
- Include 100% of the work necessary to complete the goal.
- Don’t account for any amount of work twice.
- Focus on outcomes, not actions.
- A work package should take no less than 8 hours and no more than 80 hours of effort.
- Include about three levels of detail.