Title Page
ABSTRACT
Contents
ABBREVIATION 12
1. INTRODUCTION 13
1.1. Background 13
1.2. Research Objectives 15
1.3. Scope 16
1.4. Significance of the Research 17
1.5. Organization of the Thesis 18
2. LITERATURE REVIEW 19
2.1. Defining Project Delay 19
2.2. Factors Causing Delays and Their Effects on the Project 22
2.2.1. Factors Causing Delay 22
2.2.2. Effects of Project Delay 28
2.3. Delay responsibility (Reliability) 35
2.3.1. Contractor's related causes of delays 36
2.3.2. Consultant's related causes of delays 37
2.3.3. Client's related causes of delays 38
2.3.4. External related causes of delays 39
2.4. Characteristics of railway projects from other projects 39
2.4.1. Capital Intensive 39
2.4.2. Long Distance and Linear Extent 41
2.4.3. High Complexity and Material Consumption 42
2.4.4. Operational Complexity 43
2.4.5. Long Implementation Period 43
2.4.6. Uniqueness and Individual Solutions 44
2.4.7. High Technological Complexity 45
2.4.8. Large Scale and Economic, Social, and Political Importance 46
2.5. Summary of Literature 49
3. RESEARCH METHODOLOGY 51
3.1. Selection of case studies 52
3.1.1. Case Study Content: The Standard Gauge Railway Project in Tanzania 52
3.2. The Swiss Cheese Model 58
3.3. Research Methodology Framework 62
3.4. Research Design 65
4. DATA ANALYSIS AND INTERPRETATIONS 66
4.1. Data Analysis 71
4.1.1. Root Cause of Delay: Latent Conditions 72
4.1.2. Direct causes of Delay: Delay Acts 72
4.2. Prevention Strategies for Mitigating of Construction Delays 84
5. CONCLUSIONS AND RECOMMENDATION 87
5.1. Conclusion 87
5.2. Recommendation 90
5.3. Recommendations for future studies 96
BIBLIOGRAPHY 97
초록 102
Table 1. Timewise Scope of the Project. 17
Table 2. Construction Project Time and Cost Overrun in the Korean Railway Projects 31
Table 3. Impacts of Delayed Project in Benghazi City in Libya. 32
Table 4. Training Schedule and Respective Areas of Specialization. 45
Table 5. Summary of Literature and the Current Study. 50
Table 6. Characteristics of the Tanzania SGR Project. 56
Table 7. List of Sectors Applying Reason's Work. 61
Table 8. Summary of 12 Significant Delaying Events 70
Table 9. Guidelines for Classification of the Delay into Mistake, Violation, Lapse or Slip. 74
Table 10. Classification of Delay Factors According to the Swiss Cheese Model of Influence(Delay Acts) 77
Table 11. Justification of Delay Event Categorization as per Delay Acts 81
Figure 1. The Average Construction Project Time and Cost Overrun. 15
Figure 2. Types of Delays 20
Figure 3. Project Delay Concept 21
Figure 4. Project Construction Life Cycle 28
Figure 5. Schedule Delay Relationship with a Cost Escalation of the Project Construction 30
Figure 6. Loses Due to Project Delay. 35
Figure 7. Construction Cost of Railway per Kilometre 41
Figure 8. Railway Construction Activities 42
Figure 9. KTX Phased Construction Alignment 44
Figure 10. Economic Impact of Railway in the World (Travel Times before and after the Introduction of a High-Speed Rail Service | The Geography of Transport Systems. 47
Figure 11. Key Principles of Project Success 48
Figure 12. Route of Standard Gauge Railway 54
Figure 13. The Current S-Curve Progress as of August 2023 57
Figure 14. The Swiss Cheese Model 59
Figure 15. Links Leading Delay Influence 61
Figure 16. Research Framework Methodology 63
Figure 17. The Impacted Event of Design Changes for Medium Stations 68
Figure 18. Classification of Delay Acts Causes 76
Figure 19. Number of Delay Events Classification Based on Delay Acts (Direct cause) 79