Inter‐phase feedbacks in construction projects

Journal of Operations Management - Tập 39 - Trang 48-62 - 2015
Kiavash Parvan1, Hazhir Rahmandad2, Ali Haghani3
1Department of Design and Construction, Facilities Management, University of Maryland, United States
2System Dynamics Group, Sloan School of Management, Massachusetts Institute of Technology, United States
3Civil and Environmental Engineering Department, University of Maryland, United States

Tóm tắt

AbstractUnderstanding diverse performance trajectories of projects is of interest to operations researchers and practitioners. Interactions between multiple phases of a project are commonly assumed to be important in project dynamics, yet the strength of these feedback mechanisms has not been rigorously evaluated. In this study we use data from 15 construction projects to estimate the feedbacks between design and construction phases. The estimated factors reveal that undiscovered design rework diminishes construction quality and production rate significantly and construction completion speeds up the detection of undiscovered design rework. Together, these feedbacks can explain as much as 20% of variability in overall project costs. Comparison of model predictions with a separate set of 15 projects shows good predictive power for cost and schedule outcomes and their uncertainty. The estimation and prediction framework offers a template for using data from multiple cases to estimate both case‐specific and industry‐wide parameters of project models, and for leveraging those estimates for project planning.

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Journal of Operations Management

Tập 39

48-62

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