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Project Team Perception of Causes of Building Cost Overruns： A Reflection in Tanzania

Journal of Civil Engineering and Architecture 2017年第2期11卷 149-158页

作者： harriet eliufoo School of Architecture Construction Economics and Management Building Economics Department Ardhi University DaresSalaam P. O.Box 35176 Tanzania

The paper provides an empirical insight into the significance of shared cognition reflected in the perception of key actors in selected construction projects. It has explored how clients, consultants and contractors prioritize causes of cost overrun in building projects in Tanzania and measured the statistical variance in their order of rank. A total of 55 respondents were selected from public projects that had experienced cost overruns. The results show an inclination of the top 4 causes of cost overrun being technical and originate from internal sources. The Spearman correlation coefficient established a strong positive correlation in the ranking of causes of cost overrun in construction project by clients, consultants and contractors, suggesting a shared cognition is in place for the project team. The outcome provides a good base for contemplating success of mitigation measures for cost overruns and reiterates the significance for a shared cognition for project team success.

关键词： Cost overrun construction project shared cognition team success.

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Perception and Uses of Stakeholders＇ Power on Health and Safety Risk Management in Construction Projects in Tanzania

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Journal of Civil Engineering and Architecture 2016年第8期10卷 955-963页

作者： Sarah Phoya harriet eliufoo School of Construction Economics and Management Ardhi University Dares salaam P.O. Box 352 76 Tanzania

Key project stakeholders such as clients, consultant teams, contractors and workers have different sources of power to implement projects. How these powers influence health and safety risk management is not well documented. This article therefore assesses the perception and uses of stakeholders＇ power on health and safety in risk management in construction projects in Tanzania, specifically focuses on sources and types of power, how stakeholders perceive their power, how they use power on health and safety risk management, and what factors hinders their use of power. A case study strategy was adopted and four large on-going construction projects in Dar es Salaam Tanzania were involved. Data was collected through in-depth interviews with clients, consultants, contractors and construction workers. Findings indicate that stakeholders have different sources of power such as technical expertise, legitimate, political position, resources information to influence health and safety risk management. Nonetheless, the use of these powers was generally limited due to low level of knowledge on health and safety risk management among stakeholders, wrong perception on their roles, insufficient health and safety regulations and weak procurement system. The research recommends that, in order to realize health and safety performance through using stakeholder＇s power, there is a need of clear definition of stakeholders＇ role and responsibilities on health and safety, wide knowledge and experiences on health and safety risk management, strong regulatory system and procurement system.

关键词： Stakeholders' power perception and uses health and safety risks management.

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