Knowledge about the Origins of Uncertainties from the Pre-Project Phase of Road Projects
Abstract
:1. Introduction: Uncertainty in Projects
2. Uncertainty: From Definition to Classification
2.1. Definition and Understanding of Uncertainty
2.2. Digging Deeper: What Are the Sources of Uncertainty in the Front End?
2.3. Uncertainty Categories for Factor Groups
3. Method and Research Design
3.1. Research Strategy
3.2. Document Study and Data Structure
3.3. Data Analysis
3.4. Validity and Reliability of this Research
4. Findings
4.1. Most Common Uncertainties in the Front End of Road Projects and their Origins
4.2. Comparison of the Three Study Periods
5. Discussion
5.1. Frequently Occurring Uncertainties
5.2. Changes in Identified Uncertainties over Different Periods
5.3. Potential Implication
5.4. Limitations of the Study
6. Conclusions—And Suggestions for Further Research
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Factor Groups | Description of the Factor Group | Uncertainty Categories |
---|---|---|
Project planning and control | Qualities include structure, systems, and routines such as cost, schedule and quality control, project planning and control systems, and change control. Project managers always conduct the monitoring of time and cost. | Operational |
Health, environment, and safety | Occupational accidents, safety in project environment. | Operational |
Technical Issues | Technical challenges due to large and complex project components (i.e., large bridges, tunnels) and their cost variations. Additionally, technological development and technical solutions. | Operational |
Interfaces | The interface between projects and project elements. Interfaces between different contractors and subcontractors, as well as between executives, should be clarified and established early on. | Operational |
Leadership and project culture | Leadership, motivation, and communication in project-based organisations. | Operational |
Project organisation | Aspects such as quality and skills in the project organisation. Capacity, competence, continuity, and quality of resources in the project organisation. Involvement of construction managers in construction design phases. Structure, responsibility, roles, etc. are also found in this factor group. | Operational |
Transfer to operation | Challenges related to testing and implementing the project results and preparing for operations and maintenance. | Operational |
Contract strategy | Overall contract strategies such as contracting processes, contract models, and compensation formats. Contract strategy covers milestones for completing elements, incentive use, and risk sharing among contract parties. | Strategic |
Client involvement | Aspects such as client demands, execution strategy, and client involvement during the project processes. | Strategic |
Framework conditions | Changes are implemented by the project owner, especially related to financing, resource allocations, necessary permissions, and changed framework conditions and premises. | Strategic |
Scope management | Includes design development and development and changes of project scope. | Strategic |
Market conditions | Includes commercial aspects such as competition and market conditions and development. | Contextual |
Stakeholders and media | Collaboration with stakeholders/surroundings, including road users and neighbours. | Contextual |
Nature | Geotechnical and geological problems, weather conditions, wind, flooding. | Contextual |
Currency | Changes in currency affect the project. | Contextual |
Factors | Uncertainty Categories | Occurrence of Uncertainty Factors in Consultant Reports | Relative Occurrence to Total Occurrence | Occurrences of Each Factor Group in Projects | Percentage of Occurrences in 90 Projects |
---|---|---|---|---|---|
Market conditions | Contextual | 127 | 13. 5% | 87 | 97% |
Project planning and control | Operational | 219 | 23.3% | 84 | 93% |
Technical issues | Operational | 270 | 28. 8% | 82 | 91% |
Project organisation | Operational | 80 | 8.5% | 74 | 82% |
Nature | Contextual | 78 | 8.3% | 62 | 69% |
Contract strategy | Strategic | 43 | 4.6% | 37 | 41% |
Framework conditions | Strategic | 35 | 3.7% | 29 | 32% |
Scope management | Strategic | 34 | 3.6% | 29 | 32% |
Stakeholders and media | Strategic | 25 | 2.7% | 20 | 22% |
Health, environment, and safety | Operational | 13 | 1.4% | 11 | 12% |
Interfaces | Operational | 11 | 1.2% | 10 | 11% |
Transfer to operation | Operational | 2 | 0.2% | 2 | 2% |
Client involvement | Strategic | 2 | 0.2% | 2 | 2% |
Leadership and project culture | Operational | 0 | 0 | 0 | 0 |
Currency | Contextual | 0 | 0 | 0 | 0 |
Total = 939 | Total = 90 |
Uncertainty Origins | Single Factors | Factor Groups |
---|---|---|
Operational | 63.4% | 49.7% |
Strategic | 14.8% | 22.2% |
Contextual | 21.8% | 28.1% |
Factors | Uncertainty Categories | Number of Occurrences of Uncertainties in Projects | Relative Occurrence to Total Occurrence | Changes over Time | |||||
---|---|---|---|---|---|---|---|---|---|
1st 2000–2006 n = 25 | 2nd 2007–2013 n = 38 | 3rd 2014–2019 n = 27 | 2000–2006 | 2007–2013 | 2014–2019 | 1st to 2nd | 2nd to 3rd 2nd to 3rd | ||
Project planning & control | Operational | 43 | 107 | 69 | 16% | 26.3% | 26.2% | +10.3 | −0.1 |
Technical issues | Operational | 86 | 102 | 82 | 32% | 25.1% | 31.2% | −6.9 | +6.1 |
Market conditions | Contextual | 34 | 62 | 31 | 12.6% | 15.2% | 11.8% | +2.6 | −3.4 |
Nature | Contextual | 24 | 37 | 17 | 9% | 9.1% | 6.5% | +0.1 | −2.6 |
Contract strategy | Strategic | 12 | 14 | 17 | 4.4% | 3.4% | 6.5% | −1 | +3.1 |
Interfaces | Operational | 2 | 6 | 3 | 0.7% | 1.5% | 1.1% | +0.8 | −0.4 |
Transfer to operation | Operational | 0 | 0 | 2 | 0 | 0 | 0.8% | ------- | +0.8 |
Project organisation | Operational | 25 | 32 | 23 | 9.3% | 7.9% | 8.7% | −1.4 | +0.8 |
Leadership & project culture | Strategic | 0 | 0 | 0 | 0 | 0 | 0 | --------- | |
Currency | Contextual | 0 | 0 | 0 | 0 | 0 | 0 | ---------- | |
Framework conditions | Strategic | 16 | 15 | 4 | 6% | 3.7% | 1.5% | −2.3 | −2.2 |
Stakeholders & media | Strategic | 10 | 10 | 5 | 3.7% | 2.4% | 1.9% | −1.3 | −0.5 |
Health, environment, and safety | Operational | 3 | 7 | 3 | 1.1% | 1.7% | 1.1% | +0.6 | −0.6 |
Scope management | Strategic | 12 | 15 | 7 | 4.5% | 3.7% | 2.7% | −0.8 | −1 |
Client involvement | Strategic | 2 | 0 | 0 | 0.7% | 0 | 0 | +0.70 | ----- |
Total number | 269 | 407 | 263 | 100% | 100% | 100% | 00 | 00 |
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Shabani, R.; Torp, O.; Klakegg, O.J.; Johansen, A. Knowledge about the Origins of Uncertainties from the Pre-Project Phase of Road Projects. Infrastructures 2023, 8, 1. https://doi.org/10.3390/infrastructures8010001
Shabani R, Torp O, Klakegg OJ, Johansen A. Knowledge about the Origins of Uncertainties from the Pre-Project Phase of Road Projects. Infrastructures. 2023; 8(1):1. https://doi.org/10.3390/infrastructures8010001
Chicago/Turabian StyleShabani, Rouzbeh, Olav Torp, Ole Jonny Klakegg, and Agnar Johansen. 2023. "Knowledge about the Origins of Uncertainties from the Pre-Project Phase of Road Projects" Infrastructures 8, no. 1: 1. https://doi.org/10.3390/infrastructures8010001