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The Influence of the Construction Technology in Time-Cost Relationships of Sewerage Projects

Author

Listed:
  • Vitor Sousa

    (Universidade de Lisboa)

  • Inês Meireles

    (Universidade de Aveiro)

Abstract

Time-cost models have been developed in various contexts to assist in forecasting the duration of different types of projects. The present research explores the influence of the construction technology on the time-cost relationship. For that purpose, the data from 21 sewerage projects using trenchless technology and from 49 sewerage projects using the traditional open-cut method was analyzed. The 70 sewerage projects analyzed were completed in Chicago, U.S., between 1994 and 2002. The influence of the construction technology in the time-cost relationship was found to be statistically significant and time-relationships were determined for sewerage projects using trenchless technology and the traditional open-cut method. Furthermore, along with the Bromilow type models an alternative approach was tested using the time normalized by the project cost as dependent variable, allowing additional insight into the time performance of the open-cut and lining technology used (cured in place).

Suggested Citation

  • Vitor Sousa & Inês Meireles, 2018. "The Influence of the Construction Technology in Time-Cost Relationships of Sewerage Projects," Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), Springer;European Water Resources Association (EWRA), vol. 32(8), pages 2753-2766, June.
    • Handle: RePEc:spr:waterr:v:32:y:2018:i:8:d:10.1007_s11269-018-1956-y
    DOI: 10.1007/s11269-018-1956-y
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    References listed on IDEAS

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    1. Wei Tong Chen & Ying-Hua Huang, 2006. "Approximately predicting the cost and duration of school reconstruction projects in Taiwan," Construction Management and Economics, Taylor & Francis Journals, vol. 24(12), pages 1231-1239.
    2. Russell Kenley, 2001. "The predictive ability of Bromilow's time-cost model: a comment," Construction Management and Economics, Taylor & Francis Journals, vol. 19(8), pages 759-764.
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