The reliablility of Building Information Modelling (BIM) in achieving the accuracy of cost estimate amongst quantity surveyors

Preparing cost estimates is one of the main roles of a quantity surveyor. It involves data collection, analysis, comparison and other factors to ensure the accuracy of the estimation and achieve client satisfaction. The traditional method used in cost estimates in has a high possibility of miscalculation or double measure which affects the estimate accuracy. Past studies have examined that the integration of Building Information Modelling (BIM) with cost estimation will have a significant impact on the quantity surveying practice as BIM gains popularity due to its various advantages. The aim of this research is to establish the reliability of BIM in achieving the accuracy of cost estimates amongst quantity surveyors with the intention of uncovering new findings. The research objectives were to determine the contributing factors to cost estimate, the BIM reliability factors and the limitations that hinder the reliability of BIM in achieving the accuracy of cost estimate. Primary data are collected using the quantitative method via questionnaire survey amongst quantity surveyors at firms situated in Johor state. The findings reveal top five most significant factors to be considered in preparing cost estimates were market condition, availability of information, project gross floor area, location of the project as well as design and construction.