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Article: USING BIDDING STATISTICS TO PREDICT COMPLETED CONSTRUCTION COST.
- Article from:
- Engineering Economist
- Article date:
- June 22, 2001
- Author:
CopyrightCOPYRIGHT 2001 Institute of Industrial Engineers, Inc. (IIE). This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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ABSTRACT
The completed cost of a competitively bid construction project often exceeds the original low bid. This paper presents two models to predict completed construction cost based upon characteristics of the submitted bids. Data on completed projects were obtained from New Jersey Department of Transportation for 298 highway construction projects. Median bid and normalized median absolute deviation (NMAD) were selected from various bid characteristics as the best predictors of completed construction cost. Regression and neural network models were developed from the data. Both models have similar utility to predict completed costs. Due to ease of use, the ...
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