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Delays to Large Construction Projects in Ghana： A Risk Overview

Journal of Civil Engineering and Architecture 2014年第3期8卷 367-377页

作者： Joseph Ignatius Teye Buertey augustine kaku miezah Theophilus Adjei Kumi Faculty of Engineering & Computing Pentecost University College Kaneshie # KN 1739 Ghana Takoradi Thermal Power Station Volta River Authority Takoradi # TD237 Ghana Oepartment of Building Technology Kwame Nkrumah University of Science and Technology Kumasi # UPO 000 Ghana

Delay to large scale projects, which is as a result of actions or inactions of some project stakeholders, is becoming a global phenomena and Ghana is no exception. The objective of the research is to identify, rate and rank the most significant risk factors that causes delay on projects and examine the social impact of these delays to recommend modalities to help mitigate these risk factors. The study adopted quantitative methods with the distribution of 144 questionnaires to built environment professionals receiving a response rate of 75.7%. The instrument listed 58 common factors under eight categories that contribute to the causes of delay for respondents to rate. Analysis of data non-parametric test revealed that client, contractor, material and finance category factors significantly resulted in the schedule delay of large infrastructural projects. The survey analysis revealed that micro-factors that result in delays to large construction projects are time constraint, cost overrun, payment problems, dispute and litigation. The research recommended the following modalities to minimize such delays： availability of resources, improved communication and coordination, proper scope definition and feasibilities, utilization of modern technology, appropriate application of technologically based systems and competent project management＇s structures.

关键词： Cost overruns delayed payment disputes risk and social impact.

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