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Variation Order In Construction

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schedule or degree of difficulty in a project, while detrimental variation order is one issued that negatively impacts the client’s value or project performance. They also ranked the effects of variation orders on different project performance factors, which are time overrun, cost overrun, disputes between parties and the contractor, additional specialist equipment/personnel, complaints of parties to the contract, quality standard enhanced, degradation of quality standards, optimum cost reduction, degradation of health and safety, and time reduction. The factor that ranked first is time overrun in his thesis conducted a field survey to identify main causes of variation orders, their effects on projects, and the control procedures suggested …show more content…
Data was collected through questionnaires survey which was based on the literature reviews and also provisions in the ‘Persatuan Akitek Malaysia” (PAM 1998) standard form of building contract that are related with the variation orders. The data was analyzed by using mean score method and rank to conclude the findings. The result from questionnaires survey showed three most significant causes of variation orders which were: “Change of plan by owner”, “Substitution of materials by owner”, and “Changes of design by consultant”. The finding concluded that owner was the significant source of the variation orders in construction of building projects and suggested procedures to control the change orders by making a efficient and adequate planning, recourses must be available in the beginning of a project in order tominimize variation order during the construction stage.

made a questionnaire that was developed to help the clients, consultants, and contractors by showing the relative importance of ceeffects of delay in Malaysian construction industry. They found that changing orders was an important factor in delaying projects but not among the top 10 factors in Malaysia. investigated the ce eoco on construction projects in india through a questionnaire surveys. The collected data is analyzed using Relative Importance Index …show more content…
The client spends more than what initially estimated in the most cases. Sometimes, disputes and unexpected delays occur because of change orders. Their study attempted to determine the possible causes of variation orders in the road construction projects in Sri Lanka. They collected data based on literature review, and studied a case study included 11 road construction projects through a questionnaire filled by professionals in the road construction industry in Sri Lanka. The study found out that the causes in the local context differ from those in the international context. According to the questionnaire survey, unrealistic estimation of time was the most significant cause of variation orders. Differing site conditions, political pressure during construction phase, poor investigation, and client-originated variations were the most significant causes, the results further proven through the case study

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