THE IMPACT OF MATERIAL MANAGEMENT ON CONSTRUCTION PROJECT DELIVERY IN NIGERIA
Table Of Contents
<p> <b>TABLE OF CONTENTS </b></p><p>DECLARATION.................................................................ii </p><p>APPROVAL FOR SUBMISSION......................................iii </p><p>ABSTRACT....................................................................... v</p><p> ACKNOWLEDGEMENTS................................................vii</p><p>TABLE OF CONTENTS...................................................ix </p><p>LIST OF TABLES ..........................................................xiii </p><p>LIST OF FIGURES ....................................................... xiv </p><p> INTRODUCTION............................................................ 1 </p><p> 1.1. Construction Project................................................ 1 </p><p> 1.2. Material management in construction projects........ 2 </p><p> 1.3. Overview of Nigeria construction industry ........... 3 </p><p> 1.4. Problem Statement ................................................ 4 </p><p> 1.5. Aim........................................................................... 5 </p><p> 1.6. Objective of Study..................................................... 5</p><p> 1.7. Research questions................................................. 6 </p><p> 1.8. Scope of work........................................................... 6</p><p> 1.9. Significance of Research ........................................ 7 </p><p> 1.10. Layout of Dissertation ............................................ 8</p><p><b>
Chapter TWO
</b> ............................................................10</p><p>2 LITERATURE REVIEW............................................... 10</p><p> 2.1. Introduction ........................................................... 10 </p><p> 2.2. Material management in construction project........ 11 </p><p> 2.3. Material management processes and techniques..14 </p><p> 2.3.1. Planning ............................................................ 15 </p><p> 2.3.2. Testing ............................................................... 15</p><p> 2.3.3. Procurement....................................................... 15</p><p> 2.3.4. Logistics.............................................................. 16</p><p> 2.3.5. Handling ............................................................. 17 </p><p> 2.3.6. Stock and waste control ..................................... 17 </p><p> 2.4. Root causes of ineffective material management...19 </p><p> 2.5. Consequences of ineffective material management on project delivery................................................. 25 </p><p><b>Chapter THREE
..........................................................28</b></p><p>3.0 METHODOLOGY..................................................... 28 </p><p> 3.1. Introduction .............................................................28</p><p> 3.2. Research design..................................................... 30</p><p> 3.2.1. Structured Interview ........................................... 31</p><p> 3.2.2. Content Analysis of the interviews.................... 32 </p><p> 3.2.3. Questionnaire survey Section C........................ 33 </p><p> 3.2.4. Questionnaire survey Section D ........................ 34 </p><p> 3.3. Population and population size.............................. 36 </p><p> 3.4. Sampling technique ............................................. 37 </p><p>3.5. Data Collection....................................................... 38 </p><p>3.5.1. Primary Data Collection .................................... 38 </p><p> 3.5.2. Secondary Data Collection .............................. 39 </p><p> 3.6. Pilot test............................................................... 40</p><p> 3.7. Conclusion............................................................. 41 </p><p><b>Chapter FOUR
............................................................42</b></p><p>4.0 DATA ANALYSIS AND RESULTS .......................... 42 </p><p> 4.1. Introduction .......................................................... 42</p><p> 4.2. Cronbach Alpha Test............................................. 42 </p><p> 4.3. Demography .......................................................... 43</p><p> 4.3.1. Participants job position...................................... 43 </p><p> 4.3.2. Participants work experience ............................. 45 </p><p> 4.4. Material Management process.............................. 46 </p><p> 4.4.1. Content Analysis.............................................. 46 </p><p> 4.4.2. Project value against the identified material management types..................................................... 49 </p><p> 4.4.3. Discussion........................................................... 49</p><p> 4.5. Root causes of ineffective material management.. 51 </p><p> 4.5.1. Material Identification ......................................... 51 </p><p> 4.5.1.1. Discussion ...................................................... 52 </p><p> 4.5.2. Vendor Selection.................................................. 53</p><p>4.5.2.1. Discussion ....................................................... 53 </p><p> 4.5.3. Procurement phase........................................... 54 </p><p> 4.5.3.1. Discussion ...................................................... 55 </p><p> 4.5.4. Construction Phase ........................................... 56 </p><p> 4.5.4.1. Discussion ....................................................... 56</p><p> 4.5.5. Overall root causes for ineffective material management .............................................................57 </p><p> 4.5.5.1. Discussion ....................................................... 58</p><p>4.6. Relation between project delivery and material management types....................................................... 58 </p><p> 4.6.1. Discussion.......................................................... 60</p><p> 4.7. Conclusion............................................................. 61 </p><p> <b>Chapter FIVE
............................................................5.1</b></p><p>5 CONCLUSION AND RECOMMENDATION .............. 63 </p><p> 5.1. Introduction ......................................................... 63 </p><p>5.2. Major findings........................................................ 63 </p><p> 5.3. Contribution of this research ................................. 64 </p><p> 5.4. Limitation of study ................................................. 65 </p><p> 5.5. Recommendation for future research ................... 65 </p><p> 5.6. Concluding remarks ........................................... 66 </p><p>REFERENCES.............................................................. 67 </p><p>APPENDICES .............................................................. 71 </p>Thesis Abstract
<p> <b>ABSTRACT</b><br></p><p> The cost of construction material in a construction project may range from 30 – 80 % of total construction cost making it a prime uncertainty in a construction project. The main aim of this research paper is to examine the current material management practice and its impact on the delivery of building construction projects in Nigeria. A questionnaire survey administered to a purposive sample of 20 main contractors and 20 sub-contractors, eliciting current material management practices through semi structured interview and obtaining their perception root causes of ineffective material management toward 34 causes that were extracted from an extensive literature review. Moreover the relationship between different material management practices and project delivery in terms of cost overrun and delay were acquired from this questionnaire. <br> The study found 3 distinguish material management practices that were followed. The top 3 most common root causes of ineffective material management identified were matching price to competitor’s price, time spent investigating non-qualified suppliers and unavailability of material. Moreover the findings indicated that material management practices that are depending on the limited local supplier shops suffered worst delay problems while material management practices that relied on phase-byphase delivery experienced severe cost overrun. This research was conducted in Maldives on building construction projects and similar research needs to be conducted in other types of construction projects to cross-reference and validate the result more widely. <br></p><p> <b><i>Key words Construction projects, Material management, Cost overrun, Delay, Main contractor, Sub contractor, Nigeria.</i></b> <br></p>Thesis Overview
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