Evaluating Performance of Projects Using Six Sigma Approach

Sindhwani, Rohit, Vaidya, Omkarprasad S., Antony, Jiju and Shokri, Alireza (2021) Evaluating Performance of Projects Using Six Sigma Approach. IEEE Transactions on Engineering Management. pp. 1-14. ISSN 0018-9391 (In Press)

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Official URL: https://doi.org/10.1109/tem.2021.3092885

Abstract

Researchers have attempted to improve the project performance using principles like lean, just-in-time, total quality management, etc. However, little research is done to quantitatively assess project performance by using six sigma metrics. In this manuscript, we present weighted Rolled Throughput Yield (RTY), and hence six sigma, based methodology to evaluate the performance of projects, considering multiple criteria. Here, we consider a project decomposed into work breakdown structure of multiple levels. This approach considers seven criteria, classified under five groups namely, quality, cost, time, safety and environmental sustainability for evaluating the performance. Analytical Hierarchy Process (AHP) is used to assign weights to the criteria. RTY obtained is converted into a sigma value. The results are relevant from practical point of view since we consider various elements for performance evaluation, namely, a) complex series-parallel structure of processes in a project; b) hierarchical structure of the project; c) multiple criteria for Sigma Level (SL) computation; d) performance based on “correct first time” concept; e) flexible approach enabling the manager to add/delete the criteria depending on the need. We explain the developed methodology using two practical case studies. This is the first time that the particular six sigma metric is applied to assess the performance of construction and innovation projects. This approach is simple, lucid, yet effective, and we hope it will be useful to researchers and practicing managers alike.

Item Type: Article
Uncontrolled Keywords: Analytical hierarchy process (AHP), construction, project performance, rolled throughput yield (RTY), six sigma
Subjects: H900 Others in Engineering
K900 Others in Architecture, Building and Planning
N100 Business studies
N200 Management studies
Department: Faculties > Business and Law > Newcastle Business School
Depositing User: John Coen
Date Deposited: 25 Jun 2021 07:29
Last Modified: 06 Aug 2021 14:30
URI: http://nrl.northumbria.ac.uk/id/eprint/46534

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