Valuation: A New Approach to Measure the Performance of Last Planner System
Issue:
Volume 7, Issue 1, February 2022
Pages:
1-7
Received:
6 December 2021
Accepted:
23 December 2021
Published:
12 January 2022
Abstract: The Last Planner System (LPS) is a production planning and control system that utilizes the lean construction philosophy to improve workflow reliability. Although there are several metrics developed to measure the performance of LPS, the current metrics fail to genuinely reflect the actual performance of LPS. The literature review shows no evidence of existing researches that provide a holistic approach to measure the performance of LPS. Consequently, this research aims to propose a new holistic approach to measure the performance of LPS called valuation. The objectives of this research are: (1) to provide an overview of the current metrics used to measure the performance of LPS, (2) to propose 10 steps to measure the performance of LPS based on the valuation approach, (3) to utilize the valuation approach to derive numerous metrics based on all possible relationships between the main and sub (i.e., activity and constraint) categories of LPS that currently available or may emerge in the future. This research contributes to the body of knowledge by deriving metrics based on the valuation approach that are significantly more comprehensive and mathematically more robust since they integrate several criteria and rely on the value rather than the number or amount of activities or constraints. Hence, the valuation approach generates more accurate results. Moreover, the valuation approach can help the construction professionals to track the performance of LPS across phases or even projects by accumulating the data and measuring the proposed metrics.
Abstract: The Last Planner System (LPS) is a production planning and control system that utilizes the lean construction philosophy to improve workflow reliability. Although there are several metrics developed to measure the performance of LPS, the current metrics fail to genuinely reflect the actual performance of LPS. The literature review shows no evidence...
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Obstacles to the Implementation of Joint-funded Road Projects in Cameroon
Thomas D’Aquin Biyindi,
Reine Amaleke Kinogo,
Fabrice Kwefeu Mbakop,
Atemengue Onambelé
Issue:
Volume 7, Issue 1, February 2022
Pages:
8-20
Received:
25 October 2021
Accepted:
22 November 2021
Published:
23 March 2022
Abstract: The main objective of this research is to analyse and evaluate the determinants of the failure of the effective and efficient implementation of jointly financed road infrastructure projects in Cameroon. Specifically, we first analyse and assess the institutional and administrative determinants of the failure to implement jointly financed road infrastructure projects in Cameroon effectively and efficiently. Secondly, we analyses and assess the techno-financial determinants of the failure to implement jointly financed road infrastructure projects in Cameroon effectively and efficiently. In both cases, our methodology opted for a hypothetic deductive method through a questionnaire developed from direct and semi-direct interviews with the implementers of jointly financed road projects. Our main results, which are consistent with our hypotheses, show that in both cases, administrative red tape, long contracting times, late payment of accounts, deficiencies in design offices, release of rights of way, and late signing of compensation decrees, negatively influence the effective and efficient execution of jointly financed road infrastructure projects in Cameroon. On the basis of these results, this study concludes that there is inefficiency and ineffectiveness in the execution of the said road projects. Thus, we make a series of recommendations to the public authorities in order to formulate new development programmed and policies to be implemented within the framework of the various strategies and levers necessary to promote better management of road works in Cameroon, through proposals for better managerial and technical management in order to address the various bottlenecks preventing the normal progress of jointly financed road infrastructure projects in Cameroon. We will also suggest some strategies that would allow the fluidity of procedures related to the implementation of jointly financed road infrastructure projects in Cameroon.
Abstract: The main objective of this research is to analyse and evaluate the determinants of the failure of the effective and efficient implementation of jointly financed road infrastructure projects in Cameroon. Specifically, we first analyse and assess the institutional and administrative determinants of the failure to implement jointly financed road infra...
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