Increased accuracy of cost-estimation using product configuration systems

Jeppe Bredahl Rasmussen, Lars Hvam, Niels Henrik Mortensen

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    This article describes an approach for utilizing Product Configuration Systems (PCS) for quantifying project costs in project-based companies. It presents a case study demonstrating a method of quantifying costs in a way that makes it possible to configure cost- and time estimates. Piecework costs, material costs and sub-supplier costs are used as principle cost elements and linked to structural and process elements to facilitate configuration. The cost data are used by the PCS to generate fast and accurate cost-estimates, quotations, time estimates and cost summaries. The described cost quantification principles have been used in a Scandinavian SME (Small and Medium-sized Enterprise) since the 90’s, but have since 2011 been adopted to be used in a configuration system. A longitudinal case study was conducted to compare cost and time-estimation accuracy before and after implementation. We conclude that the proposed method for grouping costs, combined with a PCS, can be used in project-based construction industries to make more accurate estimates of project costs. Reasons for improved accuracy are, according to company experts, the increased documentation and visibility of cost-estimates, dynamic allocation of variable costs, version control of cost-agreements and the ability to handle an increased level of cost details.
    Original languageEnglish
    Publication date2017
    Number of pages7
    Publication statusPublished - 2017
    Event19th International Configuration Workshop - Paris, France
    Duration: 14 Sept 201715 Sept 2017


    Workshop19th International Configuration Workshop
    Internet address


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