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Inter‐phase feedbacks in construction projects
Author(s) -
Parvan Kiavash,
Rahmandad Hazhir,
Haghani Ali
Publication year - 2015
Publication title -
journal of operations management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.649
H-Index - 191
eISSN - 1873-1317
pISSN - 0272-6963
DOI - 10.1016/j.jom.2015.07.005
Subject(s) - rework , schedule , computer science , estimation , quality (philosophy) , set (abstract data type) , project planning , production (economics) , cost estimate , operations research , project management , industrial engineering , systems engineering , engineering , economics , philosophy , programming language , epistemology , macroeconomics , embedded system , operating system
Understanding 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.