This slideshow contains Work Breakdown Structure and its uses in Construction Management

1. Work breakdown Structure (WBS)
Prof. R. V. Kolhe
Department of Civil Engineering
Sanjivani College of Engineering, Kopargaon

2. What is Work Breakdown Structure
(WBS)…?
•Organized hierarchical grouping.
•It Involves breaking down of the project work into
manageable, deliverable, elements
A
B
BA BB BC
C
CA CB

3. WORK BREAKDOWN LEVELS
:
1.Sub–project level :
 Dividing the project work into independent
task groups.
Town ship
Project
Residential
Buildings.
Public
Buildings.
Educational
Buildings.
External
Services.

4. 2.Task Level :
 Split up into various tasks.
Residential
Buildings
150 Nos. of
Buildings
Foundation of
buildings.
Superstructure
of Buildings.
Finishes of
Buildings.

5. Public
Buildings.
Police
Station.
Party
office.
Youth
center.
Shopping
complex.
Swimming
pool.
Health
center.
Educational
Buildings.
Primary
School one
Nos.
K.G. one
Nos.
Nursery one
Nos.

6. External
Services.
Water
Supply.
Electricity
Supply.
Sewerage
System .
Roads

7. 3.Work-package Level :
◦ A task can be further sub–divided.
◦ Contains an identifiable, measurable,
sizeable, assignable and controllable
package of work.

8. 4.Activity Level:
◦ Further broken down into various
identifiable processes.

9. 5.Operations Level :
A lowest level day-to-day operation,
or process, which is part of an activity.

10. S. No Features Sub-project Task Work
Package
Activity
1. Level designation Level 1 Level 2 Level 3 Level 4
2. Nature of plan Corporate strategic
plan
Project strategic
(milestones ) plan
Project tactical
plan
Project operational
plan
3. Time schedule - Summary schedule Master schedule Detailed schedule
4. Duration unit Months Months / Weeks Weeks Weeks / Days
5. Organization set-
up
- Task force Work centre Tradesmen team
6. Management
responsibility
Project team Manager-incharge Work supervisor Foreman incharge
7. Estimated project
cost percentage
- - 0.05% to 5.0% 1% to 2.5%
8. Project control
parameters
- Contribution (
profit ) control
Cost control Time control,
Resources control
9. Codifying data - - Cost codes Activity ID,
Resources ID
PROJECT WORK BREAKDOWN LEVELS
SALIENT FEATURES

11. Thank You