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© ABB AB, Corporate Research - 1 13/05/16
Project Breakdown Structure Creation
Project Planning Course Overview Project Planning Overview
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Work Breakdown Structure
Logical Network Plan
Product Anatomy
Estimation
Resource Planning
Organic Integration Plan
Facilitating Processes
Time Schedule
Budgeting
Project Planning Result
Project Planning Pre-conditions
Project Breakdown Structure
Integration Plan
Risk Management
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Purpose
The Project Breakdown Structure (PBS) defines all Work Products, produced by a project.
The purpose is to first focus on what the project shall produce, not the activities to perform.
Input & Output
INPUT
Product Requirements Specification
Project Breakdown Structure from earlier versions of the product and previous projects, if available
Know-how from experienced personnel
Architecture
Organizational Demands
OUTPUT
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Project Breakdown Structure including;
Technical Product Breakdown Structure
Management Product Breakdown Structure
Quality Product Breakdown Structure
The PBS is used as input when defining the Work Breakdown Structure later in the planning process.
Work Products
A project always delivers tangible things like documents, code, models, executables, plans etc. which all are Work Products.
Some examples;
Customer deliverables
Software components
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design models, prototypes, tools etc.
Management artifacts
source code files, DLLs, executables etc.
Development components
software on a CD-ROM, user documentation etc.
plans, budgets, progress reports etc.
Quality assessment artifacts
test results, inspection reports etc.
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Project Breakdown Structure
The Project Breakdown Structure should identify all Work Products of the project and the final product.
The highest level represents the total set of Work Products.
At the lowest level every Work Product is either a Management Product, a Technical Product or a Quality Product.
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Req 6 Req 7 Req 8
X
X X X X X X
Req 9 Req 10
WP 10
WP 9
WP 8
X
Req 3
Req 5
WP 7
X
Req 2
Req 4
WP 6
X
WP 5
X
WP 4
WP 3
Req 1
WP 2
WP 1
Requirement-Work Product traceability matrix
X
Management Work Products
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The Management Work Products are those that;
Assist in project management and control issues
Gives the answer to the business requirements
Typical Management Work Products are;
Requirement specifications
Project plans
Risk list
Status reports
Budget specification
Project (gate) assessments
Minutes of meetings
Technical Work Products
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The Technical Work Products are;
Project deliverables, i.e. the final product
Intermediate products needed during development
The answer to the technical requirements
Typical Technical Work Products are;
Hardware and Software
User documentation
Prototypes
Design models
Education products
Testing products
Executables
Quality Work Products
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The Quality Work Products;
Exists to define, assure, verify and record quality issues
Gives the answer to the quality requirements
Typical Quality Work Products are;
Test records
Inspection (review) records
Error (problem) reports
Follow-up reports
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Summary
The Project Breakdown Structure is a tree structure reflecting the Work Products on all levels produced by a project.
The Project Breakdown Structure should contain all the items included in the final product, needed to build the final product and needed to support the development of the final product.
The Work Breakdown Structure is later identified by defining what activities are needed to produce the Work Products to the required quality.
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Revisions Rev.
New Slide (N) Slide (S)
Description
Date Dept./Init.
04
All
Update from Version C
2004-01-08/ Fredrik Ekdahl
05
Page17
Planning package should not include the work product… picture redrawn
2005-01-12 / Christer Persson
Relation between PBS & WBS WBS
Work Product
How
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What
PBS
Activity Planning Package Description
Planning Package