EMS 1.0 Primer - Work Breakdown Structures

Status

This is a Working Draft.

Introduction

The Work breakdown structure (WBS) is a widely used tool for describing projects. While other sections of this Primer have described the interactions between EMS 1.0 service consumers and providers within a single phase of the estimation lifecycle, this section describes on the interactions involving WBS across several phases.

A WBS is a decomposition of the total work to be performed on a project into smaller units that can be estimated, assigned, and measured. The decomposition of work forms a tree that may have any number of levels. Each node in the tree is called a WBS element. Each leaf of the tree is called a terminal WBS element.The total amount of work performed on a project is the sum of that performed in all the ternimal WBS elements. The work performed in any non-leaf WBS element is the sum of the work performed in all its children.

Overview

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