Development of Production Rates Database for Substructure Activities by Work Sampling

Arazi Idrus, Sana Muqeem, Saiful Zakaria and Muhamad Nazim bin Mohamad Nawi

Modern Applied Science, 2011, vol. 5, issue 4, 123

Abstract: For successful completion of a construction project, scheduling of construction activities on site is very important. Production rate is one of the important data needed for determining activity duration and hence for scheduling of the activities in a project. However, because production rates are greatly affected by various controlled and uncontrolled factors, no specific calculations can be derived to produce them. Because of this, their values have all been based on experience and judgment of the individual construction manager, as well as from previous company records. The aim of this research is to develop an initial database of “moderated†production rates for selected activities of sub structural works, which can be made accessible to everyone in the industry. Work sampling approach has been used in this research to elicit data on production rates on site using stopwatch and video recording technique. Data collected were compiled and analyzed using descriptive statistics. It was found that the research had produced an acceptably reliable production rate values for each activity..

Date: 2011
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