Abstract
Construction delays are a repeated problem in government buildings projects in Kuwait, always leading to increased costs and schedule slippage. This pilot study investigates key delay factors and corresponding solutions strategies by analyzing the responses from 60 construction professionals representing project management consultants (PMCs), contractors, and consultants. Using a structured questionnaire and confirmatory factor analysis (CFA), the study identifies and validates critical delay constructs and explores useful solutions measures from stakeholders’ perspectives. The findings provide foundational data to refine the main study and enhance model validity for structural equation modeling (SEM). The top of the delay factors are poor contractor monitoring, weakness of consultant project management team, and design faults. Recommended solutions strategies include establishing a monitoring system to track subcontractor progress and addressing potential delays proactively, ensuring timely approval for the required workforce, and establishing clear delivery schedules. The results validate the questionnaire’s reliability (Cronbach’s alpha = 0.920) and provide insights into urgency areas for delay mitigation in the Kuwaiti governmental building construction sector.
1. Introduction
Construction delays in public sector projects are a common and costly issue in Kuwait, particularly in government building construction [1]. These delays often stem from multifaceted problems involving project management, financial practices, and regulatory frameworks. This pilot study aims to assess the effectiveness and reliability of a structured questionnaire designed to assess the most significant delay factors [2] and identify potential solutions. Insights from this starting phase are critical to refining the questionnaire before full-scale data collection and SEM [3]. In Kuwait, many government building projects have faced substantial delays over the past decade, leading to public dissatisfaction and financial loss. The causes are often rooted in poor project planning, insufficient risk management, administrative bureaucracy, and a lack of qualified labor. To address these issues methodically, researchers have increasingly turned to structural modeling approaches such as CFA and SEM [4]. These tools allow for the proof of theoretical constructs and help in identifying the most critical delay factors through empirical data. This study assists as a starting step toward developing a strong framework by conducting a pilot CFA on a precise structured questionnaire [5].
2. Methodology
2.1. Questionnaire Design
The pilot questionnaire consisted of two main sections: (1) 27 construction delay factors and (2) 27 proposed solution strategies. Each item was rated on a five-point Likert scale (1 = Strongly Disagree to 5 = Strongly Agree). The research stages are illustrated in the Figure 1.
Figure 1.
Research methodology flowchart.
Table 1 shows the input factors (such as resources, project design, and planning) which essentially serve as the starting point and the work base for construction projects. These components influence internal and external factors till project completion.
Table 1.
The input, internal, and external delay factors and their overlap and influence on one another.
Internal factors (team performance, communication, and project management) interact with both input and external factors. Internal factors often serve as moderators or mediators between input and external factors, involving how the project responds to external conditions.
External factors (such as political, economic, and environmental conditions) endlessly influence the project’s development and can magnify or mitigate the impact of input and internal factors.
These factors often overlap and influence each other, creating a complicated environment where changes in one aspect can significantly impact the others. Each research emphasizes the importance of considering these factors in delay, project planning, and performing evaluation to ensure successful project results.
We recommend that future researchers conduct further studies on building construction delays based on the findings from the reviewed studies. Several paths for future research are proposed to Increase our knowledge understanding of construction delays and their mitigation strategies. For example, the authors [16] discuss the financial and project management problems in Egypt. Future studies could increase the dataset to include a broader range of projects across different regions in Egypt, allowing for comparative analyses of urban and rural construction projects. In addition, applying advanced methodologies, such as machine learning models, could assist in predicting delays and improve planning precisely.
Ref. [17] focused on contractor-related issues and stakeholder communication in Saudi Arabia. Upcoming research could investigate the integration of emerging digital technologies, like artificial intelligence and blockchain, to enhance collaboration and resource allocation. Additionally, studying how cultural and organizational factors influence stakeholder coordination could provide valuable insights into improving communication practices in the Saudi construction sector.
Finally, Ref. [18] highlighted the challenges presented by political instability and economic needs in Yemen. Future studies could explore the role of public–private partnerships in mitigating these challenges, working on how innovative financing models could guarantee project continuity. In addition, further research could analyze the helpfulness of governance reforms and capacity-building programs in generating a sustainable construction environment in unstable economies.
This study focused on the key factors that cause delays for buildings construction, aiming to interaction between input, internal, and external delay factors. However, the reliance on secondary data and a lack of site works limits the depth and applicability of the findings. To overcome these limitations, upcoming research should incorporate primary data collection methods, such as stakeholder interviews and surveys from different areas, to validate and extend the study’s insights and enhance its applied relevance.
2.2. Sample and Data Collection
A total of 60 responses were collected, evenly distributed among three professional groups:
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- Twenty project management consultants (PMCs);
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- Twenty contractors;
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- Twenty consultants.
The participants were selected based on their active involvement in government building projects in Kuwait (see Table 2).
Table 2.
Participant information.
2.3. Data Analysis
Confirmatory factor analysis (CFA) is a statistical method used to test the validity of hypothesized factor structures by investigating the relationships between observed variables and their underlying latent constructs. Unlike exploratory factor analysis (EFA), which identifies potential factor groupings without prior assumptions, CFA is theory-driven and needs the researcher to define the number and nature of latent variables in advance, based on the literature or theoretical models.
In this research, CFA was applied to assess the construct validity of a questionnaire designed to assess the key delay factors and corresponding mitigation strategies in government buildings projects. The model fit was assessed using standard goodness-of-fit indices, including the Chi-square/df ratio, the Comparative Fit Index (CFI), the Root Mean Square Error of Approximation (RMSEA), and the Standardized Root Mean Square Residual (SRMR). Factor loadings were examined to confirm whether each observed item significantly contributed to its intended latent construct, with loadings above 0.5 considered acceptable. This procedure helped verify the internal structure of the survey instrument and ensured its suitability for upcoming, large-scale applications.
Descriptive statistics such as reliability testing (Cronbach’s alpha), and the Relative Importance Index (RII) were used to analyze the responses. Confirmatory factor analysis was employed to confirm the underlying factor structure and assess construct validity before full-scale [19] SEM. Confirmatory factor analysis was performed using SmartPLS (https://smartpls.com/) to evaluate the factor structure of the survey constructs. The CFA assessed the model fit using indices such as Chi-square/df, RMSEA, CFI, and TLI. The standardized factor loadings were tested to ensure convergent validity (all > 0.60), and Average Variance Extracted (AVE) was calculated to confirm construct validity. Discriminant validity was also assessed by comparing the square root of AVE with inter-construct correlations. The model exhibited acceptable fit (Chi-square/df < 3.0, RMSEA < 0.08, CFI > 0.90, and TLI > 0.90), justifying the inclusion of the constructs in the full SEM.
3. Results and Discussion
3.1. Reliability Analysis
Measuring the internal consistency of survey instruments using multi-item scales is vital, and a key method is Cronbach’s alpha test [20]. This test, also known as the coefficient alpha, assesses the reliability of a dataset by evaluating whether all items within a scale reliably measure the same underlying construct [21]. In essence, reliability refers to the degree to which a test consistently measures what it intends to [22]. Therefore, for researchers using multi-item scales, employing Cronbach’s alpha is an essential step to ensuring that the instrument’s data holds up to scrutiny. Assessing data reliability for research, Cronbach’s alpha helps gauge internal consistency. Typically, values above 0.70 suggest reliable data. Lower values could indicate a lack of questions, weak item connections, or mixed underlying concepts.
Hence, in this study, this test was used to determine whether the scales used are reliable.
Table 3 shows that the values of Cronbach’s alpha test ranged between 0.762 and 0.961, that indicates good internal consistency. Indeed, Ref. [20] established that an alpha (α) of 0.70 or above provides evidence for the internal consistency and reliability of a scale’s items.
Table 3.
Reliability statistic: Cronbach’s alpha (N = 60).
3.2. The Result of Stakeholder Comparison and Delay Factors Ranking
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- Cronbach’s Alpha: 0.86 for delay factors;
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- Cronbach’s Alpha: 0.87 for mitigation strategies.
3.2.1. Ranking of Delay Factors—RII
- Poor contractor monitoring—0.783;
- Weakness of consultant project management team—0.780;
- Design faults—0.760;
- Owner experience—0.753.
3.2.2. Ranking of Mitigation Strategies—RII
- Establish a monitoring system to track subcontractor progress and address potential delays proactively—0.754;
- Ensure timely approval for the required workforce—0.753;
- Establish clear delivery schedules—0.741;
- Initiate the authorization process early in the project timeline—0.740.
3.2.3. Stakeholder Comparison
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- PMCs highlight of poor consultant monitoring and suggested the establishment of clear evaluation criteria to ensure fair competition.
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- Contractors confirm of the poor contractor monitoring and proposed the consideration of temporary off-site storage to manage limited space effectively.
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- Consultants recommend that the delay of subcontractor works may mitigated by implementing rigorous quality control measures, conducting regular inspections, and enforcing contractual agreements with suppliers.
This differentiation emphasizes the importance of stakeholder-specific strategies.
3.3. Confirmatory Factors Analysis Results
3.3.1. Input Factors
Table 4 and Figure 2 presents the confirmatory factor analysis results which demonstrate the structural validity of the measurement model examining construction input delay factors. The model identifies four main latent variables (labor, material, financial, and machinery) [23] with their respective indicators. The standardized factor loadings range from 0.405 to 0.654, indicating moderate-to-strong relationships between the observed variables and their corresponding factors. Labor skills (B1_4) show the strongest connection to the labor factor (0.630), while late payments (B3_2) has the strongest association with the financial factor (0.654). The analysis also reveals significant intercorrelations between factors, with particularly strong relationships between financial and machinery (0.775) and between material and financial (0.836). The model demonstrates adequate convergent validity across all constructs, with most indicators exceeding the recommended threshold of 0.5, although labor shortage (B1_1) and strike (B1_2) [24] show slightly lower loadings.
Table 4.
Standardized loadings of CFA for input delay factors (N = 60).
Figure 2.
CFA for input delay factors.
3.3.2. Internal Factors
Table 5 and Figure 3 presents the CFA for internal delay factors in construction projects (N = 60) across 18 categories including administration, job change, disputes, quality, and others [25]. The model illustrates how various factors interconnect through standardized loading coefficients, with values ranging from 0.412 to 0.746. Notable findings include the particularly strong impact of unclear consultant drawing details (0.746), poor contractor monitoring (0.714), and work interruption (0.678) [9].
Table 5.
Standardized loadings of CFA for internal delay factors (N = 60).
Figure 3.
CFA for internal delay factors.
3.3.3. External Factors
Table 6 and Figure 4 shows The confirmatory factor analysis (CFA) for external delay factors in construction projects illustrates a complex network of five interconnected primary factors: weather, condition, economy, general, and authorities. These factors demonstrate significant correlations, with particularly strong relationships observed between authorities and general (0.721), economy and general (0.690), and weather and condition (0.627) [26]. Each primary factor links to specific indicator variables with varying strengths of association, notably the robust connection between condition and indicator D2.1 (0.802) and between authorities and indicator D5.2 (0.764) [13]. This structural equation model effectively maps how external elements beyond the control of construction teams—including environmental conditions [27], economic circumstances, and regulatory requirements—form an interconnected system that significantly impacts project timelines and contributes to construction delays [28].
Table 6.
Standardized loadings of CFA for external delay factors (N = 60).
Figure 4.
CFA for external delay factors.
3.3.4. Potential Key Solutions for Input Factors
Table 7 and Figure 5 shows the standardized loadings of the CFA for potential key solutions for construction delay factors [29], identifying the most significant interventions across the four input factors. For labor, providing incentives to enhance worker motivation (0.685) and investing in training programs (0.635) demonstrated the strongest impact. Within the material factor, establishing clear delivery schedules (0.632), implementing quality control measures (0.583), and maintaining strategic reserves (0.580) proved most effective. Financial solutions showed consistent effectiveness across all options (0.565–0.591), with periodic budget reviews (0.591) and defining clear payment schedules (0.588) slightly outperforming others. The machinery factor revealed the strongest overall solutions [30], particularly regular equipment maintenance (0.695), thorough pre-selection research (0.689), and comprehensive machinery allocation planning (0.617).
Table 7.
Standardized loadings of CFA for potential key solutions for input factors that contribute to delaying building construction (N = 60).
Figure 5.
CFA of potential key solutions for input delay factors.
3.3.5. Potential Key Solution for Internal Factors
Table 8 and Figure 6 shows the confirmatory factor analysis (CFA) of potential key solutions for internal delay factors in building construction which reveals an interconnected network of 18 solution categories with varying levels of effectiveness. The standardized loadings indicate that the most impactful interventions include [29] management (0.738), administrative measures (0.742), decision-making processes (0.707, 0.708), quality control (0.749 [31]), and safety protocols (0.726). Additionally, tests and inspections (0.686), contract management (0.698) [32], and work drawing solutions (0.674) demonstrate strong potential for reducing delays. The extensive green network connections in the diagram emphasize that these solutions function as an integrated system rather than isolated interventions, suggesting that a comprehensive approach addressing multiple internal factors simultaneously would be most effective in mitigating construction delays, with particular attention to the highest-loading solutions identified across the various categories.
Table 8.
Standardized loadings of CFA for potential key solutions for internal factors that contribute to delaying building construction (N = 60).
Figure 6.
CFA of the potential key solution for internal delay factors.
3.3.6. Potential Key Solutions for External Factors
Table 9 and Figure 7 show The CFA of potential solutions for external factors contributing to construction delays reveals several effective interventions across five key categories [33]. For weather-related factors, ensuring that construction design adheres to resilient building codes and standards (0.807) stands out as particularly impactful, showing the highest loading among all solutions. In addressing site conditions, efficient demolition methods and phased demolition (0.673) proved more effective than soil investigations (0.601). Economic factors are best mitigated by negotiating fixed-price contracts with suppliers (0.719), which outperformed strategies to reduce labor needs (0.649). For general external factors, including force majeure clauses in contracts (0.657) and coordinating with local authorities (0.620) showed strong potential, while temporary off-site storage (0.570) had comparatively less impact. Regarding authority-related delays, initiating authorization processes early (0.679) demonstrated the highest loading, followed by staying informed about policy changes (0.620) [34] and ensuring timely workforce approvals (0.565). Overall, the strongest solutions focus on resilient design standards, contract provisions [35], and proactive engagement with authorities and scheduling processes.
Table 9.
Standardized loadings of CFA for potential key solutions for external factors that contribute to delaying building construction (N = 60).
Figure 7.
CFA of potential key solutions for external delay factors.
4. Conclusions
This pilot study confirms the reliability and effectiveness of the proposed questionnaire in capturing key construction delay factors and solutions strategies in Kuwait’s public sector. The results highlight critical focus areas for reducing project delays and form the basis for full-scale data collection and structural equation modeling. Future research will expand this analysis to a larger sample and develop a comprehensive delay solutions framework. The successful application of CFA enhances the statistical accuracy of the research and ensures that subsequent SEM analysis will be based on validated constructs.
The analysis identified numerous critical factors contributing to construction delays. The highest-ranked delay factor was poor monitoring by contractors, followed closely by the weakness of the consultant’s project management team. Other noted factors included design faults and the owner’s limited experience, all of which significantly impact project timelines.
In terms of mitigation strategies, stakeholders agreed on key interventions to reduce delays. The highest-ranked strategy was to establish a monitoring system to track subcontractor progress and proactively address potential delays. This was followed by the need to ensure timely workforce approvals, set clear delivery schedules, and initiate authorization processes early in the project timeline.
A comparative analysis across different stakeholder groups discovered varying perspectives. Project management consultants (PMCs) highlight of poor consultant monitoring and suggested the establishment of clear evaluation criteria to ensure fair competition. Contractors highlighted their own challenges with monitoring and proposed temporary off-site storage solutions to overcome space limitations. Meanwhile, consultants focused on subcontractor delays and suggested comprehensive strategies including rigorous quality control, regular inspections, and the enforcement of contractual obligations with suppliers.
These differences underscore the importance of tailored mitigation strategies that reflect the unique responsibilities and challenges of each stakeholder group involved in construction projects.
In addition to confirming the questionnaire structure, this research contributes to a deeper understanding of interrelated delay factors and suggests targeted strategies that align with empirical data. Policymakers, project managers, contractors, and consultants can benefit from these data to reduce inefficiencies in future government projects.
5. Limitations
This study acknowledges a key limitation linked to the sample size. The data were collected from a total of 60 respondents—20 project management consultants, 20 contractors, and 20 consultants. While this sample allowed for the application of confirmatory factor analysis (CFA) to test the structure and reliability of the developed questionnaire, it remains modest in size and scope. Accordingly, the findings should be interpreted as preliminary and exploratory in nature.
It is significant to note that the aim of this study was to conduct a pilot analysis to evaluate the conceptual framework and assess the suitability of the instrument for future large-scale research. Given the exploratory design, the current sample size is considered sufficient for CFA, but it does limit the generalizability of the outcomes across the broader construction sector in Kuwait. As a result, conclusions regarding the relative importance of delay factors and the use of mitigation strategies should be drawn with caution.
Upcoming research will aim to overcome this limitation by administering the revised and validated questionnaire to a larger and more various population, including different regions, project types, and levels of stakeholder responsibility. This expanded dataset will allow for more comprehensive statistical modeling, including structural equation modeling (SEM), and will offer stronger empirical support for the relationships identified in this research.
Author Contributions
Conceptualization, M.M.A.; methodology, N.B.H.; validation, M.A.K.; formal analysis, M.M.A.; writing—original draft preparation, M.M.A.; writing—review and editing, M.M.A. All authors have read and agreed to the published version of the manuscript.
Funding
This research received no external funding.
Data Availability Statement
Data is available on request from the corresponding author.
Conflicts of Interest
The authors declare no conflicts of interest.
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