Comparative – Superlative Comparison of Contractor`s Sufficiency in Various Types of International Contracts

Abstract

Nowadays, development of construction projects is among the vital and important plans in urban areas. The perspective of a city highly depends on its construction projects, and the way they have been managed. There are many construction projects that face with severe failures as the result of improper selection of their contractors. This study overviews a comparativesuperlative comparison of contractors’ efficiency in various types of international contracts. Choosing a competent contractor can significantly decrease the possibility of construction projects failures. The contractor selection includes three steps: contractor prequalification, tendering and selection. The data for this research was gathered using survey method. This paper investigates the current conditions of evaluating the contractors and comparing various methods of prequalification as well as comparing the contractor selection methods in three different countries of Hong Kong, USA and Australia. The questionnaires were circulated among a wide range of experts in this field of study, aiming to examine the most suitable technique for contactor selection and then, the obtained results were analyzed using inferential and descriptive statistics through the SPSS software. Based on the findings, the significance of this study lies in the point that the decision support systems are considered in assigning the contractors to fulfill the projects with respect to solving the problem of single and multiple criteria methods.