Mahottari district in Nepal is situated within the terai region, struggling with significant challenges related to river management, particularly concerning the Rato River. Despite concerted efforts, delays in the implementation of these projects have emerged as a pressing concern. This thesis investigates the extension of time (EoT) phenomenon within the context of the Rato river training works project in Mahottari District, Nepal. The primary objectives are threefold: to identify prominent causes of extension of time in Rato river training works, to assess the major implications of extension of time in Rato river training works, and to explore remedial measures aimed at completing the river training works within the scheduled contract period. A mixed-methods approach, combining qualitative and quantitative techniques, is employed to achieve the research objectives. Data collection involves the analysis of contract data, administration of questionnaires to client and contractor personnel, and conducting key informant interviews with senior experts in river training works. Additionally, relevant literature from journals, articles, websites, thesis, and reports pertaining to Rato river training works is reviewed. A total of 16 contractors and six Engineer and Sub-Engineer personnel participated in the questionnaire survey, with responses obtained from all participants. The Relative Importance Index (RII) method was used to analyze the responses. Additionally, secondary data obtained from office records were examined using MS-Excel for case study analysis. The findings are presented through various charts and tables, supplemented by insights from Key Informants gathered through interviews. The Kendall's tau-b correlation coefficient (τb) was employed to investigate the connection between variables and evaluate the magnitude and direction of their correlation. In this study, the researcher found prominent causes contributing to the extension of time (EoT) in the Rato River Training Works project, highlighting the necessity for proactive measures to effectively address them. Client-related issues, such as unreasonable project durations and inadequate site investigations, emerged as primary prominent causes, necessitating improved planning and coordination among stakeholders. Similarly, contractor-related challenges, including low bidding and delays in conflict resolution, VI underscored the importance of clear contractual agreements and dispute resolution mechanisms. External causes like weather-related delays and market fluctuations further emphasized the significance of robust risk management strategies. The implications of project delays encompassed a wide range of consequences, underscoring the need for comprehensive assessments and informed decision-making to mitigate their impacts. Remedial measures focus on adequate budget allocation, strengthened procurement regulations, and stakeholder collaboration to enhance project management practices and ensure timely project completion. By adopting a multifaceted approach and fostering a culture of responsibility and commitment, stakeholders can effectively address the prominent causes of EoT and drive successful outcomes in river training projects.

Keywords

Extension of time, Rato River training Works, Construction Projects, Causes, Implications and remedial measures.

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