Time Overrun is one of the most significant issues being faced by the construction industry today. There are various factors responsible for the time overrun which require serious attention to understand and address in order to achieve successful completion of projects on time. This is because time overrun has great impact to construction cost which can never be recovered. Thirty (30) large construction projects in Malaysia were identified facing Time Overrun during construction. Out of 30 projects, 17 (56.67%) projects were caused by 1-100 days time overrun, 5 (16.67%) projects in between 101 to 200 days, 5 (16.67%) projects 201 to 300 days whereas 3 (10%) projects were delayed for time period above 300 days. A structured questionnaire was conducted amongst personnel of project management consultants (PMC). The data was analyzed statistically to calculate the causes mean rank of time overrun. It also computed the level of agreement with Kendall"s formula. Dominating factors affecting time overrun are cash flow & financial difficulties faced by contractors, contractor"s poor site management, and inadequate contractor experience, shortage of site works and ineffective planning & scheduling. The results of this study will enhance the selection process of awarding construction job to the contractor.
Abstract-Construction industry in Malaysia is facing a serious issue of construction delay causing a significant amount of time over run and cost over run. Various studies have addressed the issue of construction delay, however, most of studies focused on identifying causes of delay. Less attention has been paid of assessing effects of construction delay. Hence this study is aimed to assess effects of construction delay on MARA large projects. Investigation approach for study includes the site study of 30 MARA large projects selected from various areas of Malaysia and structured questionnaire survey among client, consultant and contractor personnel's. It is important to note that 90% of MARA projects are experiencing time overrun. Data was analyzed with statistical analysis to calculate rank of the effects of delays and correlation with spearman formula to identify the interrelationship between attributes of effects. Results showed that time over-run and cost over-run are most significant effects of delay on MARA construction projects. Time over-run has high degree of correlation with cost over-run and moderate degree of correlation with disputes.
For many years, the issue of delay in MARA management procurement construction projects has been phenomenal. Its impacts were so significant that it tends to decelerate the implementation of MARA strategic planning. This paper presents a survey study on significant causes of delay in MARA management procurement construction projects. The questionnaire used consists of identified 18 causes of delay. The study was carried out on the current 12 (38.7%) MARA construction management procurement projects scattered in peninsular Malaysia. The respondents were personnel that work as PMC (executives, resident engineers, and clerk of works) for those projects and clients (MARA state directors, project officers, and engineers). Seventy sets of questionnaire were distributed to the respondents and 58 sets (82.86%) returned. The results analysis revealed that the significant delay causes were cash flow and financial difficulties faced by contractors, contractors' poor site management and ineffective planning and scheduling by contractors. Several steps are proposed in order to avoid delay for MARA future project.
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