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Quality management is essential to improve success in project implementation by using Industrialized Building System (IBS). The development of construction industry in Malaysia is encountering a relocation from ordinary techniques to a more efficient and automated strategy which is by utilizing IBS.There are a few issues in overseeing IBS construction projects which prompt low qualities such as hiring non-expertize in construction, using low quality of materials and problem with management. Therefore, this paper aim is to determine the various success factors affecting the quality management of construction project that using IBS and ranked the success factors. Found that 87 factors from review papers and two most significant factors affecting quality management in IBS are high ranked which is appointment of high experience technical team, using high quality components and materials with overall percentage 2.48% and 1.86%. However, some of the factors are repeatedly listed due to high affecting to quality.

Structural Equation Modelling (SEM) has been widely used in science social area compared to construction engineering and management field especially in area of delay construction. SEM is a second generation multivariate analysis that has an advance features compare to first generations of analysis tools. First generation techniques suffer with some assumptions such as error measurement is neglected, only observed variable allowed, only for simple model and other limitations. In construction delay study, comprehensive and complex analysis which involves hidden variables need to be considered to get precise results. Therefore, the main objective of this paper is to review the importance of applying SEM for construction delay study. Various papers which were taken from construction delay and construction management studies has been reviewed to observe the suitability of SEM for construction delay study. Outcome of this review reveals that SEM can include latent variable in the analysis model and consider of error measurement as integral part of the model as well as simultaneously analyse theory and measurement in a structural model while it is unobtainable for first generation techniques.  This review proves that SEM can be an appropriate analysis tool for construction delay study.

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