Quality Control As An Effective Tool For Efficient Project Delivery (A Case Study Of Imo State)

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Project and Seminar Material for Building Technology BT

Project and Seminar Material for Building Technology BT


First of all, I dedicate this work to the Almighty God for His infinite mercy to the possibility of this project and for His guidance and protection towards me during this my academic pursuit.

I also dedicate this work to my lovely parents Mr. & Mrs. B.C.N. Duru for the financial support and encouragement to ensuring that I have a sound academic up bring in life.


The researcher’s unreserved gratitude goes to my supervisor Bldr. Esonwune O. for assisting me in producing this project work through corrections and prompt attention to problems relating to the project writing. The researcher is also grateful to the H.O.D Bldr. G.C. Ukah and lecturers whom has helped me as to study building technology in this institution of higher learning.

The researcher also clearly recognizes the special contribution of Dr. C. J. Okolo, Izuka Okolo, Asimonye Okonkwo, Antonia Okolo and Mrs. Onwuemezie that funded part of the project production. Finally am grateful to the family of Mummy Charity mezieobi, Pastor Tony Akadu, Rev. Segun Ajayi, Mr. & Mrs. Victor Ajayi, Rev & Pastor Mrs. Egwaoje, Mr. V. I. Ogosi, Sis Praise, to my love once Nancy, Caroline, Joy and all the family of Foursquare Gospel Church Nekede Branch.


The construction industry has been characterized by improper quality control, inadequate planning and project abandonment. It is important to understand the benefits of quality control identify and reinforce good practice, to achieve this questionnaire was designed and distributed oral interview were made together with literature review.

It has been noted that quality control is averagely adhere to in most construction sites, the use of quacks instead of professional and inadequate supervision has been the major problems inherent in the construction industry today in our country.

Government should make it mandatory that buildings carry certificate of fitness for human habitation. Procurement method in use should be amended to allow professional builders to be more actively involved in the project from the planning, design and construction stages to ensure the build-ability and maintainability of the project.

Table Of Content

  • Title Page
  • Certification i
  • Approval ii
  • Dedication iii
  • Acknowledgement iv
  • Abstract v
  • Table of Content vi
  • List of Figures ix
  • List of Tables ix

Chapter One

  • 1.0 Introduction
  • 1.1 Background of Study
  • 1.2 Statement of Problems
  • 1.3 Aim and Objectives
  • 1.4 Justification of the Study (Significant)
  • 1.5 Research Question
  • 1.6 Delimitation
  • 1.7 Limitations
  • 1.8 Definition of Terms

Chapter Two

  • 2.0 Literature Review
  • 2.1 Quality Control System
  • 2.2 Meaning of Quality
  • 2.3 Quality Characteristics
  • 2.4 How Quality is determined
  • 2.5 Quality Plan
  • 2.6 Quality Assurance
  • 2.7 Quality Audits
  • 2.8 Quality Control
  • 2.9 Quality Control Tools
  • 2.10 Quality Control Measure
  • 2.11 Quality Improvement
  • 2.11.1 Cost of Quality
  • 2.11.2 Leadership
  • 2.11.3 Maturity Models
  • 2.11.4 Continuous Improvement
  • 2.12 Factors that help Quality Control

Chapter Three

  • 3.0 Research Methodology
  • 3.1.0 Design of the Study
  • 3.1.2 Area of the Study
  • 3.1.3 Population of the Study
  • 3.1.4 Sampling Techniques
  • 3.2.0 Data Collection and Analysis
  • 3.2.1 Method of Data Collection
  • 3.3 Method of Data Analysis

Chapter Four

  • 4.0 Data Presentation, Analysis
  • 4.1 Distribution and Retrieval
  • 4.2 Presentation of Data
  • 4.3 Discussion of Findings

Chapter Five

  • 5.0 Summary of Findings, Conclusions and Recommendations
  • 5.1 Summary of Findings
  • 5.2 Conclusion
  • 5.3 Recommendations
  • Bibliography
  • Questionnaire

List Of Figures

  • Figure 2.1 Plan, Do, Check and Act (PDCA) Chart
  • Figure 2.2 Fishbone Diagram
  • Figure 2.3 Pareto Chart
  • Figure 2.4 Control Chart

List Of Tables

  • Table 1. Quality of Workmanship
  • Table 2. Standard of Materials Used
  • Table 3. Building Considered for quality Control
  • Table 4. Factors Responsible for Building Failure
  • Table 5. Ratings of Building Standard
  • Table 6. Organizing of Training Programme
  • Table 7. Adequate Supervision
  • Table 8. Specification
  • Table 9. Use of Incentive
  • Table 10. Efficiency of Supervisors
  • Table 11. How can Quality be affected

Chapter One

1.0 Introduction

1.1 Background Of The Study

This research works deals on harnessing the intricacies of effective quality control of a project towards achieving a meaningful and more efficient project delivery.

However, this work is out rightly concerned with the examination of certain managerial tools and techniques that are quite necessary in devising how to coordinate all of the activities that go on in a given project; developing a realistic schedule, controlling and monitoring the progress of the entire given project.

It is also written to improve the standard of services provided to the client and beneficiaries through the implementation of quality control into the project.

However, quality control costs can be reduced by the inspection of variables in the production process; these include the raw-materials, materials that go into the production processes, work in progress and the machinery used.

1.2 Statement Of The Problems

Lack of adequate planning and supervision have posed many critical problems to the construction, manufacturing industry and other works of life, which has resulted into incessant project delivery which is becoming very predominant in our country Nigeria. Meanwhile from the research carried out on this context the following problems were identified and stated below:

  1. Improper assessment of tender documents
  2. Poor resource allocation
  3. Poor material selection
  4. The inability of the project team to adhere to standard.
  5. Lack of training of personnel
  6. Improper planning, schedule and activity definition
  7. Improper record keeping and documentation
  8. Ineffective leadership and control

1.3 Aim And Objectives Of The Study

The thesis is aimed at gaining a better understanding of the benefits of quality control, identify and reinforce good practice. Critically reviewing the process of quality control in a project planning, programming and its techniques. Which enable the project team to organize their work to meet the classic triple project constraints for efficient project delivery.

The objectives of the study comprise of the following:

  1. To maintain quality standard
  2. To ensure customer’s satisfaction
  3. To reduce the costs associated with scrap
  4. Influence of government policy on execution of project.
  5. Project monitoring and controlling.
  6. Causes of unsatisfactory project delivery
  7. Importance of effective planning and supervision

1.4 Justification Of The Study (Significance)

This research is deemed necessary because it provides the most economic and effective means of achieving maximum and acceptable standard for a give-project through quality management of the available resources and materials.

It is to help organizations to identify and harmonize overlapping regulatory demands interdependencies that cannot be seen using spreadsheets and gives stakeholders transparency and visibility; while guaranteeing that the management process is implemented with a quality punch.

The research will also provide an analytical technique for resource allocation to ensure that the project is completed within finite resource limit. And will benefit the manufacturing industries, construction and construction management oriented firms.

1.5 Research Questions

In other to carry out this research work effectively, the researcher is here by guided by the following questions.

  1. What are the elements of quality control?
  2. How does government policy affect quality control?
  3. What are project delivery constraints?
  4. What are the effects of not implementing quality control on any given project?

1.6 Delimitation

This report or research study is delimited on the general procedure of quality control in project using different quality control elements or tools to achieve efficient project delivery. The various sections from which information was elicited from contractors, professionals in building industry, clients, beneficiaries, and other stakeholders.

1.7 Limitations

It is obvious that research work cannot be carried out without much difficulty in the study whereby the research topic was limited to construction industry alone. Among the problems encountered were financial constraints, obtaining information from contractors whose work failed and inadequate statistical data on number of construction works that had failed in Imo State.

1.8 Definition Of Terms


Is the totality of characteristics of an entity that bear on its ability to satisfy stated or implied needs

Quality Characteristics:

It relates to the attributes measures and methods attached to that particular product or service.

Quality Plan:

This describes the conditions that the services and materials must possess in order to satisfy the needs and expectations of the project stakeholders.

Quality Assurance:

Is a process to provide confirmation based on evidence to ensure to the client, beneficiaries, organization management and other stakeholders that product or services meet expected needs and other requirements.

Quality Audits:

These are structured reviews of the quality management activities that help identity lessons learned that can improve the performance on current or future project activities.

Quality Control:

It is the use of techniques and activities that compare actual quality performance with goals and define appropriate action in response to a shortfall.

Quality Improvement:

It is referred to the application of methods and tools to close the gap between current and expected levels of quality by understanding and addressing system deficiencies and strengths to improve, or in some cases redesign project processes.

Cost Of Quality:

It is the sum of costs a project will spend to prevent poor quality and any other costs incurred as a result of outputs of poor quality.

Poor Quality:

It is the waste, errors, or failure to meet stakeholder needs and project requirements.

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