31st Annual Conference of the International Group for Lean Construction (IGLC 31) - Lille, France - 2023

https://doi.org/10.24928/2023/0117

Repeatable, Scalable, Global Implementation of Optimized Cycle-Time Flow (OCF)

Doron S. Gabai1, Nikita S. Kennard2, Rafael Sacks3, Mark K. Miera4 & Tabitha D. Cloyd5

1PMP, PgMP, LCI Israel Chairman, Strategic Planner, Intel Corporation, AZ Construction, USA. [email protected], https://www.lci-israel.org/, https://orcid.org/0000-0001-8297-2476
2OCF Research Specialist, Intel Corporation, AZ Construction, USA. [email protected]
3Professor, Virtual Construction Laboratory, Faculty of Civil and Env. Eng. Technion – Israel Institute of Technology, [email protected], http://orcid.org/0000-0001-9427-5053
4PMP, Senior Director of Construction, Intel Corporation, AZ Construction, USA. [email protected]
5Director of Construction, Intel Corporation, AZ Construction, USA. [email protected]

Abstract

Optimized Cycle-Time Flow (OCF) is a comprehensive lean construction approach to portfolio, process, and operations management of design, demolition, and tool installation projects. It comprises seven principles which teams can implement in sequence to align resources across a portfolio of projects, remove constraints, and plan for continuous uninterrupted execution of each project once it has started. Beginning in 2018, it has been applied to increasingly larger portfolios of projects in an expanding set of Intel facilities, generating consistently reliable results with up to 50% reductions in project cycle-time. A plethora of quantitative data collected through action research over five years indicate that the characteristics of OCF make it more resilient and persistent than many lean construction interventions, overcoming the various barriers to implementation discussed in the literature. The results indicate that OCF principles, vertical integration, leadership, and education make OCF repeatable and scalable. Applying these features to lean construction implementations may help practitioners achieve better results.

Keywords

Action Research, Constraint Management, Last Planner® System, Optimized Cycle-Time Flow (OCF), Production Control, Strategic Integration & Planning

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Reference

Gabai, D. S. , Kennard, N. S. , Sacks, R. , Miera, M. K. & Cloyd, T. D. 2023. Repeatable, Scalable, Global Implementation of Optimized Cycle-Time Flow (OCF), Proceedings of the 31st Annual Conference of the International Group for Lean Construction (IGLC31) , 1138-1148. doi.org/10.24928/2023/0117

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