Up-front cost estimating of change orders

Estimating the cost of change orders includes the evaluation of impact costs, in addition to the conventional direct and indirect costs. Impact costs can be divided into time related, and productivity related. This paper presents an automated system, developed to assist members of project teams in e...

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Bibliographic Details
Published in:AACE International transactions 2002-01, p.CD151
Main Authors: Moselhi, Osama, Assem, Ihab, El-Rayes, Khaled
Format: Article
Language:English
Subjects:
Construction
Cost estimates
Datasets
Design
Labor productivity
Mathematical models
Neural networks
Project management
Regression analysis
Software
Studies
Online Access:Get full text
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Summary:Estimating the cost of change orders includes the evaluation of impact costs, in addition to the conventional direct and indirect costs. Impact costs can be divided into time related, and productivity related. This paper presents an automated system, developed to assist members of project teams in estimating productivity losses. The system incorporates a set of newly developed neural network models. These models were developed using actual cases from projects constructed in Canada and the US. Two numerical examples are analyzed in order to demonstrate the use of the developed software and to illustrate its capabilities.
ISSN:1528-7106