Extension of Time (EoT) claims due to project delays are a significant concern in construction projects within the Kageshwori Manohara Municipality. These claims are prevalent and often lead to disputes, largely because the primary causes are not adequately considered before project contracts are initiated. The frequent amendments to Article 120 of the Public Procurement Regulation (PPR) 2007, alongside the recent decision by the Government of Nepal to facilitate deadline extensions, highlight the persistent and serious challenges posed by EoT claims in the construction sector. This study identified the primary causes of EoT, examined the impacts of EoT, and proposed mitigation measures for future projects of similar nature within the Kageshwori Manohara Municipality. The research employed both qualitative and quantitative methods, gathering insights from stakeholders such as clients, contractors, and consultants via a Google Forms survey using a 5-point Likert scale. The Principal Component Analysis (PCA) was used to dimensionally reduce the causes of EoT. The research identified twelve significant causes of Extension of Time (EoT) in Kageshwori Manohara Municipality projects, categorized into three components: "Design and Consultant-Related Issues," "Project Management and Execution Challenges," and "External and Unforeseen Conditions." The findings, derived using principal component analysis, highlight issues such as insufficient design information, inadequate project management, and unforeseen conditions like land acquisition disputes. These causes were ranked based on stakeholder perspectives, emphasizing the need for improved design, planning, and adaptive project management strategies to address EoT challenges. The Relative Importance Index (RII) ranked EoT impacts based on project parties. Spearman’s Rank order correlation test was used to evaluate the level of agreement among project parties regarding the impacts. The Spearman rank-order correlation analysis showed that Clients and Consultants, as well as Clients and Contractors, had a high level of ix agreement on the impacts of project time extensions. However, the agreement between Consultants and Contractors was less consistent. Regular meetings for issue resolution and training for continuous knowledge updates are essential to minimize EoT and enhance project efficiency.

Keywords

Causes for EoT, Construction Projects, Extension of Time (EoT), Mitigation Measures.

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