Identification and ranking of key factors affecting cost reduction in the supply of consumables for construction projects (Case study: projects of Sepasad Company affiliated to Khatam al-Anbia Construction Camp)

The purpose of this study is to identify and rank the key factors affecting cost reduction in the supply of consumables for construction projects.

This research is of mixed quality and quantity. The sampling method is purposeful in the qualitative stage and simple in the quantitative random stage. The statistical population of the research includes all project managers of Sepasad company, workshop heads, deputies and project support managers, as well as supply and procurement managers and its experts in total of 60 people and sample size in the qualitative phase of 12 people and in the quantitative phase of 30 people. In the first phase of the research, through interviews with experts of the organization and analysis of the content of the interviews conducted, the dimensions and components affecting the research topic were extracted. These items were turned into a questionnaire and in the next phase were provided to research experts. The reliability of the questionnaire was determined by calculating Cronbach's alpha and measuring the normality of the data by Kolmogorov-Smirnov method. Validation was examined through one-way t-test, ranking through Friedman test and analysis of the gap between the current and optimal status of the components through paired t-test and the significance-performance gap matrix.

The findings showed that in terms of respondents, purchasing management, human resource management and organizational integrity are more important than other factors in reducing the cost of providing consumables for construction projects.

The results of this analysis show that in all aspects, the expectations of the organization are beyond the status quo.