Abstract
Nowadays, the construction industry has started to embrace IBS as a method of attaining better construction quality and productivity and reducing risks related to occupational safety and health. The built of pre-fabricated component in factories reduces many problems related to lack of purposing uncertainty in scheduling calculation and time management of projects. In the case of using IBS method for managing time in projects, former studies such as Allan Tay’s research, indicates that this method can save up at least 29% of overall completion period versus the conventional method. But beside mentioned advantages of this technical method, the projects could be optimized more and more in scheduling calculations. This issue is critical in gas refineries, since special parameters such as risk of spreading poison H 2 S gas and mandatory of performing projects in short time period events such as maintenance overhauls demands to perform projects in optimum time. Custom scheduling calculation of project planning uses the Critical Path Method (CPM) as a tool for Planning Project’s activities. The researches of this paper’s authors indicated that Fuzzy Critical Path Method (FCPM) is the best technique to manage the uncertainty in project scheduling and can save up the construction project’s time versus the custom methods. This paper aims to present a model based on fuzzy application in CPM calculations to optimize the time of Industrial Building System.
Highlights
IBS can be defined as a construction system which components are manufactured in a factory, on or off-site, Positioned and assemble in to structures with minimal additional site work [1]
The researches of this paper’s authors indicated that Fuzzy Critical Path Method (FCPM) is the best technique to manage the uncertainty in project scheduling and can save up the construction project’s time versus the custom methods
In FCPM calculations, as the results indicate, selecting the fuzzy ranking method for each project scheduling has main influence on determination of project total time and critical path
Summary
IBS can be defined as a construction system which components are manufactured in a factory, on or off-site, Positioned and assemble in to structures with minimal additional site work [1]. The typical classifications is shown, [2]. Former studies indicate that IBS can save up about 29% of overall completion time versus the conventional method [3]. Beside mentioned advantages of these technical methods, the projects could be optimized more and more in scheduling calculations. The researches of this paper’s authors indicated that Fuzzy Critical Path Method (FCPM) is the best technique to manage the uncertainty in project scheduling and can save up the construction project’s time versus the custom methods
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