Cost and time overrun on central government building construction projects in Tanzania (2000-2010)
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Date
2013
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University of Dar es Salaam
Abstract
In Tanzania, demand for public buildings is ever increasing and the construction of
public buildings to meet the demand is expanding. However, many projects suffer
very serious problem of inability to be completed on budget and schedule. Taking
into account the scarce financial resources of the country this situation is alarming
and ways should be sought to alleviate the situation. In due regard, this research was
carried out so as to analyze performance of public funded government buildings in
Tanzania with respect to cost and time overruns during construction stage.
Questionnaire was used to collect data from contractors, consultants and government
ministries (clients). Desk study was used to collect data of five completed projects.
Data collected were analyzed using both descriptive and inferential statistics.
Results revealed that government building construction projects in Tanzania
experience cost and time overruns at an average of 44% and 47% respectively. The
following ten factors were found to significantly contribute to both cost and time
overrun: Additional works, variation orders, payment delays, deficiencies in contract
documents, and lack of project management skills. Others included slow decision
making by client and consultant, financial difficulties, mistakes in designs, lack of
experience of site location and inadequate contractor`s experience and capability. To
a large extent these factors have been attributed to clients and consultants and to
lesser extent to contractors. The study provided several recommendations as outlined
in section 5.3 of this dissertation.
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Keywords
Public buildings, Cost, Building construction projects, Tanzania
Citation
Ngonwe, S.T (2013) Cost and time overrun on central government building construction projects in Tanzania (2000-2010), Master dissertation,University of Dar es Salaam. (Available at http://41.86.178.3/internetserver3.1.2/detail.aspx)