Abstract
The replacement of air handlers in department stores must be completed within a 12-h time frame outside normal working hours to avoid interrupting business operations. This study employed a work breakdown structure to develop a replacement regime for air handlers. This research has calculated start and finish times of these tasks for conventional and constraint time construction projects, and determined labor distribution for each task according to these times. Gantt charts were used to schedule construction progress and to analyze the increase in crashing costs when a constraint time construction model is employed. The start and finish times of various tasks were calculated for completed example projects. The comparison results were then used to analyze root causes and to formulate related countermeasures. An expert interview was conducted to verify the correctness of the proposed countermeasures. The findings of this study can serve as valuable references in air handler replacement projects.
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Shiau, YC., Chuang, HW., Liu, CC. et al. Study on constraint time construction model for replacement of air handling unit in department stores. Artif Life Robotics 21, 324–331 (2016). https://doi.org/10.1007/s10015-016-0285-6
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DOI: https://doi.org/10.1007/s10015-016-0285-6