STUDY ON TIME AND COST PERFORMANCE ASSESMENT OF PUBLIC CONSTRUCTION PROJECTS IN TIGRAY REGION: A CASE STUDY IN ABIADI TOWN

Abstract

Most of Ethiopian construction projects are affected by time and cost performance problems. This research was conducted in an attempt to identify major factors for such problems in the typical environment of Ethiopia Tigray region in case of Abi Adi town. The main objective of this study was to assess the performance of public construction projects in Abi Adi town with respect to their time and cost. And under this, specific objectives were also drown: To evaluate the performance of public construction projects in relation to project time and cost, to identify the factors influencing public construction projects to perform the construction project as per required time and cost in Abi Adi town. Quantitative research method was used to collect the data and questioners were prepared and distributed to the three professional bodies of the construction projects, such as owners, consultants, and contractors. To analysis the data collected from the respondents, performance index and relative important index statistical methods were used. The result of the finding indicated that, high number of time and cost performance of the projects was below target and poor performance. The study has identified client, consultant, contractor and external environment related factors that resulted on time overrun: such as, delay to payment and financial problem, delay to deliver the site, poor communication and coordination, absence of consultant site staff, poor skills and experience of labor, Poor site management and lack of site contractors’ staff, lack of equipment and tools on the market, poor economic condition, Lack of materials on the market and Delay in obtaining permits from municipality. The cost performance factors were; Inadequate project preparation, planning and implementation delay in construction, technical incompetence and poor organizational structure, delays in decisions making by government, failure of specific coordinating bodies, supply of raw materials and equipment by contractors, and resources constraint such as: funds foreign exchange, power associated auxiliaries not ready. Finally the main stakeholders of the construction projects should improve problems related them and use resource effectively and efficiently