| المستخلص: |
Many main contractors and subcontractors face a lot of problems due to a very limited time given by the owners or the consultants of the construction projects at the bidding competition stage, which usually ranges between 30 – 45 days,. They make several deviations and mistakes related to this limited time to submit their best technical and financial proposals for the construction execution. For many reasons, several cases are recorded for a huge difference between the first bid value and last bid value in most of construction projects which in some cases ranges between (-15%) to (+50%) of the accepted bid value. Therefore, there is a big need to establish a computerized management tool for repetitive process of cost estimation method to the Contracting Sector and to be as a guide and judgment for the Consulting Sector who is directly involved in the analysis and decision making for the awarding process. In this thesis, the contribution will be based on the creation of templates, forms and tables for the integrated cost estimation methodology and to be as a solid basis for any contracting organization to highlight and build up its own strategy, principles, components, tactics, involved teams, tools, scenarios and calculations to reach and apply an accepted bid value. This study will also be joined by establishing and developing a computer application (software) made specifically for this process for ease reference and use by all contracting companies to ease and facilitate their works in the estimation process which can be used also at a later stage during execution process for progress of works, reporting and forecasting. The computer software application will mainly contain three major categories; the first part will be especially for the Estimation Process, the second will be for Wok Progress and finally the third will be for Project Forecasting.
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