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Conference paper

Characterization of waste in Ethiopian building construction projects


According to the February 2017 Mckinsey Global Institute report, construction industry is one of the largest sectors in the world economy with $10 trillion spending, 13% of GDP contribution and 7% employment opportunity annually. However, the sector labor productivity for the past two decades couldn't exceed 1% a year while the total world economy and...
Conference paper

A lean approach to improve productivity in a coke oven refurbishment project: A case study


This paper presents a 3-phased Lean Construction Project (LCP) implemented in a specialized and integrated service company. The purpose of the LCP was to increase productivity and to re-structure Production Planning and Control routines. It was undertaken by a group of internal and external consultants for a period of four months of workshops and more...
Conference paper

Choosing by advantages: Benefits analysis and implementation in a case study, Colombia


Choosing By Advantages (CBA) has been used to analyse the reasons that could help explain why the subcontractor of a project construction was not meeting the client's expectations during project execution. Results include a discussion of main differences between these decision methods, the main difference is that in traditional decision-making approach the main criterion was...
Conference paper

Knowledge management and its application in developing lean culture


Construction projects generate a lot of learning during their lifecycle, but it is common to see this learning go underutilized in subsequent projects. If an organization learns to control the 'waste of knowledge' during the project lifecycle and utilize this knowledge in subsequent projects, it can form a significant competitive advantage for the organization.
Conference paper

Empirical study on the influence of procurement methods on last planner system implementation


Previous studies have examined various factors that influence the implementation of the Last Planner System (LPS) in construction projects. However, there is limited documented evidence on the influence of procurement methods on the implementation of the LPS. The aim of this study, therefore; is to understand the influence of some selected procurement methods on the...