“Assessing Factors Causing Delay and Cost Overruns in Construction of Ground Water Project in Dar es salaam

Seliudi, Muganyizi (2019) “Assessing Factors Causing Delay and Cost Overruns in Construction of Ground Water Project in Dar es salaam. Masters thesis, The Open University of Tanzania.

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Abstract

This research examined the causes of delays and cost overruns in construction projects and their effect on groundwater projects completion and cost escalation in Dar es Salaam. The study employed theories of project, management, planning, execution and control. The study employed mixed research using questionnaires and later on different interviews were carried out to get information from the sample of 87 respondents. Data collected were analysed using SPSS and data described by using percentage and coefficient of variation and presented using tables. The study found that time allocated to the design phase was statistically significant correlated with financial constrains; payment difficulties; and design phase changes order while poor site management and supervision was statistically significant correlated with unpredictable weather condition and shortage of site workers. Financial constrains; related material problems; payment difficulties; and lack of experience in contraction had positive statistical influence on cost overrun of groundwater projects in Dar es salaam; however, design changes, unpredictable weather condition, fluctuation in the cost of contraction materials, shortage of site workers and incorrect planning and schedule had positive significant relationship with delay in time completion of groundwater projects in Dar es Salaam. The researcher recommended that; contractors should consider proper planning in order to avoid delays during the constructional stage, develop action plan, organise payment and structure for all stages of work on the project. While consultant should be flexible in evaluating projects, comparing between the cost and high quality should be considered. Clients should choose team to do and track project sustainable competence and experience in groundwater projects.

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