Application of Ji Koutei Kanketsu in highways design process improvement

Quynh Anh Nguyen, Lauri Koskela, Doug Potter, Algan Tezel, Barbara Pedo, Patricia Tzortzopoulos

Research output: Chapter in Book/Published conference outputConference publication

Abstract

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.
Original languageEnglish
Title of host publicationProceedings of 29th Annual Conference of the International Group for Lean Construction (IGLC29)
EditorsLuis Alarcon, Vicente Gonzales
Pages623-633
Number of pages11
ISBN (Electronic)978-612-48025-4-6
DOIs
Publication statusPublished - 17 Jul 2021
Event29th Annual Conference of the International Group for Lean Construction, IGLC2021 - Lima, Peru
Duration: 14 Jul 202117 Jul 2021

Publication series

NameProceedings of the Annual Conference of the International Group for Lean Construction
PublisherThe International Group for Lean Construction
ISSN (Print)2309-0979
ISSN (Electronic)2789-0015

Conference

Conference29th Annual Conference of the International Group for Lean Construction, IGLC2021
CountryPeru
CityLima
Period14/07/2117/07/21

Keywords

  • lean
  • BIM
  • jidoka
  • ji koutei kanketsu.

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