Contractor’s Pre-Registration Model for Irrigation Construction
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Abstract
The objective of this study was to develop a prequalification model for irrigation constructors using an Analytical Hierarchy Process (AHP). Firstly, Contractor prequalification involves screening candidate contractors based on a set of criteria established by each project owner. The model implemented based on, the 30 pre-qualified lists were collected from the registration system by the Royal Irrigation Department (RID). The expert’s creativity scores on a couple for the calculating weighted rating of the 4 eligibility factors. For example, the experience and performance, the competence related to financial status, the competence related to staff, the machine-tool-related performance become the input of the PQ-AHP model. The weighted values of main factors show the percentage of the experience and performance, the financial status, the officer/staff and the machine-equipment are 25.14, 54.87, 11.61 and 8.38 respectively. In this study, there are 6 situations of the RID pre-qualified candidate lists for comparing the accuracy of the model with the decision making criteria additionally. The results from the 1st scenario and the 5th scenario results reveal that as same the RID qualifications but the 6th scenario results which considering the RID qualifications enlisted from contractors who are ranked third to fourth hierarchy according to the model result of low weight in financial status show that the contractor moved to the fourth tier. Finally, those results indicate that the PQ–AHP model was flexible and consistent with the Pre-Qualification results of RID. The Primary and secondary factors can be updated in the model at all time.
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References
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