Quality management in construction ادارة الجودة في الانشاءات

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2. 17:30– 18:30TIME:
Quality Management
in Construction
TOPIC:
Eng. Mohamed Batran
Projects Manager, PMP, MBA under
Prep.
SPEAKE
R:
40-45 Minutes for the
Presentation15-20 Minutes for The
Discussion
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3. Learning Objectives:
• Definition of Quality Management.
• Quality Assurance / Quality Control.
• Impact of Quality.
• Barriers to Success
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4. Definition of
Quality Management in Construction
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5. What is Quality?
People have found many ways to define quality.
Let us start from beginning
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6. 6
The Greek Thinker Aristotle (384 BC- 322 BC) said that :

7. Quality Gurus
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8. Deming said that
Quality should be aimed at the
needs of the consumer, present
and future
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9. Crosby said that Quality is
Conformance to
requirements
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10. Juran said that Quality is
Fitness for use
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99% Quality and more :
Item 99% Quality Six Sigma
Air Flight Delay
Metro Breakdown
Power Failure
3 flight / Day One flight / 2 Years
One Breakdown/
4 Hours
7 Hours/ Month One Hour/ 2 Years
One Breakdown /
2 Years

12. Quality in construction is more
difficult to define. Why?
Unique Outputs
The deliverables not a
repetitive.
Stakeholders
We have to get the
stakeholders
satisfaction, not only
the client.
Multi Dimensions
Cost and time of
delivery are important
characteristics of
quality.
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13. Quality in construction
The fulfillment of the Stakeholder’s needs, per
defined scope of works, within a budget and
specified schedule, to satisfy the Stakeholder’s
requirements. 13

14. Quality Assurance and
Quality Control
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15. Life cycle of QA and QC
Quality
Assurance.
Quality
Control.
Pass or Fail
A ResultA TestA Book
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16. Set of processes used to measure, Define,
Describe and assure the quality.
Quality assurance
It ensures
doing the right
actions, right
way.
It is Proactive
process
Like Training,
process
definition,
quality audit,
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17. The operational activities and techniques that
are used to fulfill the requirements of quality.
Quality control
It Helps to find
defects in
deliverables
It’s Reactive
approach
Like Quality
Inspections,
Material testing
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18. Impact of Quality
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19. How do we measure the quality impact?
Speaks in the
language of
Management
shows how
profit is
affected by
quality
An objective
not subjective
tool
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We need an accurate tool.

20. Cost of quality
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21. Cost of Quality
•prevention costs.
•appraisal costs.
Conformance
cost
•internal failure costs.
•external failure costs.
Non-
Conformance
cost
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Challenger Disaster:
Item Value
Human loss
Non-Conformance
cost
Conformance cost
7 People Dead
Over a billion US$
A few Hundred
thousands US$
Conf. Cost < 0.1% Non-Conf. cost

23. Prevention costs
Costs we spend to prevent poor quality from happening.
Quality Planning
costs of developing and
implementing a quality
plan
Design Process
Designing processes to
achieve conformance to
specifications
Employee
Training
in quality
measurement
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24. Appraisal costs
Costs we spend to detect the defects.
quality
inspections
product
testing
worker time
spent
measuring
quality
equipment
used for
quality
appraisal
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25. Internal Failure Costs
Rework
(cost spent to correct the defective item).
Costs associated with discovering poor quality before
Handing over.
Scrap
(Defective that can’t be corrected and must be thrown away).
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26. External Failure Costs
Costs associated with quality problems happening after
Handing over.
customer
complaints
Repair
warranty claims litigation costs from
liability issues.
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27. Cost of
quality
Conformance cost
Prevention
cost
Appraisal
cost
Non-Conformance cost
Internal
Failure cost
External
Failure cost
Cost of quality Summary
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28. Barriers to Success
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29. What is the way to the quality?
Quality starts with understanding the needs
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30. In nutshell we have to listen to Dr. W. Edwards
Deming :The Father of the Quality Evolution.
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31. References
• Rumane, A. (2011). Quality management in construction
projects. 1st ed. Boca Raton, Fla: CRC.
• Irmi.com. (2017). Construction Quality Management | IRMI.com.
[online] Available at: https://www.irmi.com/articles/expert-
commentary/construction-quality-management [Accessed 19
Mar. 2017].
• Geneva Business School, (2016). Quality Management.
• Ramirez, L. (2014). Quality control and quality assurance.
• Calayag, I. (2013). Quality in Construction works.
• Asif, H. (2011). Cost of quality.
• Singla, M. (2013). Cost of Quality.
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Mohamed@BatranGroup.co
m
mohamed-batran-7139055
See You Next Year