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Wednesday, February 23, 2011

The Cornerstone of Cost Estimate

The cost estimation is the rapidly growing trend in AEC industry. It helps both the contractors and the owners as a proper budget is really very assistive to them. On the basis of the estimated cost a proper bid will be prepared. A good estimate must start with a complete understanding of scope of work followed by an accurate quantity takeoff. In the process of an accurate estimation, the estimator has to do a vast and depth research. It’s very easy to miss out identifying items of work in the project. This may be for some ordinary reasons like missing drawings, details and specifications. Misinterpretation of the scope is another reason for miss out. That’s why besides updated technology, experience in conceptualizing is also very important in this field of cost estimation.

First of all he has to study the floor plan of the construction. After getting the idea clearly it’s the turn to on site field engineering. The estimator has to visit the spot and consult the geotechnical consultant to perform surface investigation to evaluate the land’s ability to provide the foundation of the structure. The estimator then has to make a proper report about all these factors.

Now the estimator has to get a clear idea about the resource of the construction and more importantly its cost which includes material suppliers, labor force, subcontractors, construction equipment, indirect cost, management and many other nitty gritty of the project. The estimator has to team up with comptroller, accountant, field superintend, project manager, purchasing manager to get all the updated data about the project.

After all the field works and reporting it’s the turn to take help of the estimating software. It will help the estimator to get all the relevant output of cost estimating like the cost, schedule and quantity of resources. In this way the estimator has to determine the cost of the project.

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