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Title: A simulation model to study the impact of early information on design duration and redesign
Authors: Chua, D.K.H. 
Hossain, M.A.
Keywords: Design parameters
Design process
Early estimation
Sensitivity study
Simulation model
Issue Date: Apr-2011
Citation: Chua, D.K.H., Hossain, M.A. (2011-04). A simulation model to study the impact of early information on design duration and redesign. International Journal of Project Management 29 (3) : 246-257. ScholarBank@NUS Repository.
Abstract: In the design process, it is common to utilize early information from precedent activities to shorten the project duration instead of having to wait for the confirmed parameter values to arrive after full analysis. However, the estimated preliminary parameter might be different from that obtained after the full analysis. Consequently, redesign may be needed in downstream activities to correct this discrepancy. Total amount of induced redesign may adversely impact loss of productivity and overall design completion. Furthermore, redesign requires additional resources which may exaggerate the project completion for a project with limited resources. This study presents a simulation model to describe the effect of utilizing early information on redesign and total design duration. The paper characterizes the reduction in project duration while accounting for the impact of redesign through sensitivity studies of the parameters of the simulation model. The sensitivity studies would provide valuable insight that project managers can take into account when utilizing early information in design. © 2010 International Project Management Association.
Source Title: International Journal of Project Management
ISSN: 02637863
DOI: 10.1016/j.ijproman.2010.02.012
Appears in Collections:Staff Publications

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