الفهرس 
Introduction and Research ScopeOnly 14 pages are availabe for public view
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Abstract
The estimation of costs is a crucial aspect of construction planning that should be carried out during the initial phases of a project to establish its budget. The term ”project overheads” refers to the indirect expenses associated with a project, such as providing general services at the site or plant, including insurance, site accommodation, and other similar costs. The goal of this research is to investigate the variables that affect the precision of site overheads estimation. In this study, the effectiveness of artificial neural networks (ANNs) was examined in addressing the challenge of accurately estimating project overhead costs during the initial stages of building design. The research involved developing a comprehensive prediction model to determine the percentage of site overheads. The primary objective of this study is to examine methods used to estimate project site overheads in Egypt. This involves identifying factors that affect site overhead costs and developing a detailed prediction model for construction site overhead using artificial neural network in Egypt.
For the purpose of achieving the goal of this research, A questionnaire was conducted among construction companies in Egypt. It was found that the most important factors (according to past studies and questionnaire results) were project’s duration, Inflation and Interest rate in the Country and project’s size. ANN model has been developed to estimate the overhead percentage depending on its characteristics. It was discovered that the ANN model is a useful tool for minimizing the amount of work needed to estimate the percentage of on-site overhead costs more accurately.