Work breakdown structure by muhammad talha

05/03/2023M.Talha

05/03/2023M.Talha

WORK BREAK DOWN STRUCTURE

05/03/2023M.Talha

Outline

Work breakdown structure

Levels of Work breakdown structure

Numbering system of Work breakdown structure

Types of Work breakdown structure

Organization breakdown structure

Work break down structure

05/03/2023M.Talha


A work break down structure is a technique/process in which the complete project is broken down into small chunks/parts.

Project

Chunks/Parts

05/03/2023M.Talha


It is the process by which :

Project Manager, all connected functional managers, and all connected staff will work together and analyze all the aspects of the project

project Sub-projects Tasks Sub-tasks Work

packages

Level of work breakdown structure

05/03/2023M.Talha


(LEVEL 1) (LEVEL 2) (LEVEL 3)(LEVEL 4) (LEVEL 5)

There is no hard and fast rule and depends on your own choice 1 or 2 levels can lead to difficulty in integration of activities Too many levels can make the analysis complex Then How many levels ??

project Sub-projects Tasks Sub-tasks Work

packages

05/03/2023M.Talha


Two approaches to the no of levels Building up the WBS till such time that the work packages

available is capable of giving a good definition of work content, the cost, time, and resources required.

Using 8/80 rule

8

80

Numbering system of work breakdown structure

05/03/2023M.Talha

1

1.1 1.31.2

1.1.1

1.1.2

1.2.1

1.2.2

1.3.1

1.3.2

1.1.1.1

1.1.1.2

1.1.2.1

1.2.2.2

1.2.2.1

1.3.1.1

1.3.1.2

1.2.1.2

1.3.2.1

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05/03/2023M.Talha

construction of a houseSr# Assigned to Rate ($) Hours

internal electrical

1 rough in electrical A 5,000 342 install and terminate B 5,000 163 HVAC equipment C 15,000 12 plumbing 1 rough in plumbing D 22,000 122 set plumbing fixtures E 31,000 83 test and clean F 8,000 23 foundation excavate 1 pour concrete G 30,000 342 cure and strip forms H 7,000 14 steel erection 1 steel coloums I 5,000 162 beams J 2,000 223 joist K 2,000 21 external Masonry work 1 install roof drains L 2,000 82 roofing M 10,000 93 install tiles N 15,000 10 Building finishes 1 paint wall O 8,000 132 ceiling tiles P 4,000 123 carpet Q 1,500 84 hardware R 6,000 27

Types of work breakdown structure

05/03/2023M.Talha

Types of WBS

Following are the 2 types of work break down structure

1. Product oriented work break down structure

2. Functionally oriented work break down structure

05/03/2023M.Talha

Product WBS

In product oriented WBS, the project is subdivided into sub-projects on the basis of “product”

The sub-project is again subdivided on the basis of product and so on, till the tiny work package are obtained

05/03/2023M.Talha

Functionally oriented WBS

In this type the project is broken-down on the basis of functional departments (or Functional tasks)

The project is subdivided into sub-projects on the basis of “Function”

The sub-project is again subdivided on the basis of functional department and so on, till the tiny work package are obtained

05/03/2023M.Talha


It is a process by which the personnel's involved in the project can be decomposed into groups, sub-groups and individuals

It should be done in such a way that a group or individual can be identified with the work packages arrive as per work breakdown structure.

05/03/2023M.Talha

Organization5

Electrical work5.1

Plumbing5.2

Administration5.3

Design5.1.1

Fitting5.1.2

Design5.2.1

Fitting5.2.2

Accounts5.3.1

Procurement5.3.2

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05/03/2023M.Talha

Orga

niza

tion 5

5.3

5.2

5.1

5.3.1

5.3.2

5.2.1

5.2.2

5.1.15.1.2

Internal1.1

Construction of house1

1.1.

1.1 1.1.

1.31.1.

1.2

Electrical1.1.1

Integrating OBS with WBS

Plumbing1.1.2

1.1.

2.1 1.1.

2.2

1.1.

2.3

Fitting

Design

Account

procurement

05/03/2023M.Talha

Work breakdown structure by muhammad talha

Business

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