30th Annual Conference of the International Group for Lean Construction (IGLC) - Edmonton, Canada - 2022

https://doi.org/10.24928/2022/0213

Framework for Using LPS in Design on IPD Projects

Negar Mansouri Asl1, Nazanin Najafizadeh2, Mahboobeh Fakhrzarei3, Ahmed Hammad4 & Farook Hamzeh5

1PhD candidate, Civil and Environmental Engineering Dept, University of Alberta, Edmonton, AB, Canada, [email protected], orcid.org/0000-0003-2402-4341
2MSc student, Civil and Environmental Engineering Dept, University of Alberta, Edmonton, AB, Canada, [email protected]
3MSc student, Civil and Environmental Engineering Dept, University of Alberta, Edmonton, AB, Canada, [email protected]
4Associate Professor, Civil and Environmental Engineering Dept, University of Alberta, Edmonton, AB, Canada, [email protected]
5Associate Professor, Civil and Environmental Engineering Dept, University of Alberta, Edmonton, AB, Canada, [email protected], orcid.org/0000-0002-3986-9534

Abstract

Design in nature is an iterative and interdependent process. Previous research shows that in some projects, 50% of this process contains waste. The Last Planner System (LPS) proved its efficiency in planning and controlling the execution phase. However, due to the nature of the design process, implementing LPS at this stage contains many constraints. Results show that the Integrated Project Delivery (IPD) and LPS together can significantly improve design workflow, still some issues remain that do not let the IPD project achieve the full potential of LPS in managing a design process. In this research the main constraints are studied and divided into five categories. Recently, many researchers studied the benefits of implementing LPS and how to optimize this method, especially in the execution phase, but there is no integrated framework that contains the available tools and techniques for overcoming constraints in using LPS at the design process. This study indicatesthat multiple strategies need to be adopted for increasing the applicability of LPS at the design process of a construction project. This paper proposes an integrated framework for addressing design constraints and optimizing the applicability of LPS in the design process on IPD projects.

Keywords

Last Planner System, Integrated Project Delivery, design process, workflow, lean design

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Reference

Asl, N. M. , Najafizadeh, N. , Fakhrzarei, M. , Hammad, A. & Hamzeh, F. 2022. Framework for Using LPS in Design on IPD Projects, Proc. 30th Annual Conference of the International Group for Lean Construction (IGLC) , 1040-1051. doi.org/10.24928/2022/0213

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