Application of Ji Koutei Kanketsu in highways design process improvement


This paper provides an introduction to ‘Ji Koutei Kanketsu’ (JKK) as a recently developed Lean method and illustrates its potential to support the improvement of BIM-based highways design work processes. JKK is developed based on the concept of jidoka to enhance the autonomation in non-physical work processes. This method provides the employees the confidence to complete their own processes without defects, while requiring a strong collaboration between the managers and their teams. The paper is based on an action research study for trialing the use of JKK in a large engineering company. It is concluded that JKK, when its prescription is compared to the current state, focuses attention to the following issues: defining individual work activities, their support factors, their pre-conditions, the judgment criteria of their outputs, and continuous improvement. JKK is also evaluated by comparing it to other, overlapping methods.

Publication DOI:
Divisions: College of Engineering & Physical Sciences > School of Infrastructure and Sustainable Engineering > Engineering Systems and Supply Chain Management
Event Title: 29th Annual Conference of the International Group for Lean Construction, IGLC2021
Event Type: Other
Event Dates: 2021-07-14 - 2021-07-17
Uncontrolled Keywords: lean,BIM,jidoka,ji koutei kanketsu.
ISBN: 978-612-48025-4-6
Last Modified: 25 Mar 2024 08:09
Date Deposited: 27 Sep 2021 13:49
Full Text Link:
Related URLs: ... rs/Details/1928 (Publisher URL)
PURE Output Type: Conference contribution
Published Date: 2021-07-17
Authors: Nguyen, Quynh Anh
Koskela, Lauri
Potter, Doug
Tezel, Algan (ORCID Profile 0000-0003-3903-6126)
Pedo, Barbara
Tzortzopoulos, Patricia



Version: Published Version

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