By David Pratt
Basics OF building ESTIMATING third version provides estimating tactics in a transparent and detailed demeanour explaining all of the strategies of estimating the price of building paintings corresponding to volume takeoff, pricing of the contractor's paintings, pricing sub-trade paintings, pricing web site overhead and compiling bid files. This booklet bargains readers thorough guide at the ideas of building estimating and the abilities to develop into a certified estimator by utilizing drawings for 2 entire initiatives - one residential and one advertisement, thereby top the reader during the entire estimating approach which are utilized in a variety of trades on many differing types of building tasks.
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Advances in computer-assisted design (CAD) and its integration into computer estimating systems are also boosting the productivity and accuracy of estimating. While the estimator needs to try to keep abreast of all these developments and remain open to the improvements they offer, he or she is warned of the need for careful management of the technology. A real danger exists in losing control of the process, resulting in a potential for errors to develop simply because the estimator does not fully understand what is going on when the technology button is pressed.
Bid Record and Bid Documents Once the decision to bid on a project has been made, a record of the bid begins. Some contractors in the past have maintained a bound Bid Record document, but now it is more common to record this information on a computer file with all the requirements preset so that the estimator merely types in each item of data in the correct places. 4 represents the kind of preset items and responses that might be found on a computerized bid report. The collection of these bid report files that the contractor builds up over time forms a database that can be analyzed in a number of ways to obtain historic bid information.
Special attention should be paid to the possibility of soil contamination in the location of the site. Only by assembling accurate data can the contractor quantify the financial risk imposed by the contract regarding environmental issues. Then an appropriate sum can be added to the bid to cover this risk. Computer Estimating Systems Computers have become an indispensable tool of the estimator, but for the estimator to use computers effectively he or she must first have a thorough understanding of the basic concepts of estimating.