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Risk Management through Geotechnical Baselines: A Designer's Perspective
In underground construction, the most significant risks are often intimately related to the ground, its variability, and the uncertainty that often accompanies such construction. Historically, most of these risks were allocated to the contractor by owners who typically provided geotechnical data for information only, often disclaiming the available data, and disavowing any responsibility for a contractor's interpretations. However, this approach was deemed unfair by contractors, who had to procure work through a competitive bidding process, with little time to develop their own interpretations of geotechnical conditions. The concept of the geotechnical baseline report (GBR) was developed to help bridge the gap between owners unwilling to accept risks associated with geotechnical conditions, and contractors expected to take full responsibility for these risks yet also remain competitive in low-bid procurements. GBRs are now standard practice for major underground construction projects in the United States, as owners and their designers are increasingly aware of the benefits these reports provide in establishing the designer's interpretation of ground conditions and in providing a framework for allocation and management of geotechnical risk. This paper outlines some of the key benefits of GBRs in regards to risk management for subsurface construction and discusses important considerations for baseline report preparation.
Risk Management through Geotechnical Baselines: A Designer's Perspective
In underground construction, the most significant risks are often intimately related to the ground, its variability, and the uncertainty that often accompanies such construction. Historically, most of these risks were allocated to the contractor by owners who typically provided geotechnical data for information only, often disclaiming the available data, and disavowing any responsibility for a contractor's interpretations. However, this approach was deemed unfair by contractors, who had to procure work through a competitive bidding process, with little time to develop their own interpretations of geotechnical conditions. The concept of the geotechnical baseline report (GBR) was developed to help bridge the gap between owners unwilling to accept risks associated with geotechnical conditions, and contractors expected to take full responsibility for these risks yet also remain competitive in low-bid procurements. GBRs are now standard practice for major underground construction projects in the United States, as owners and their designers are increasingly aware of the benefits these reports provide in establishing the designer's interpretation of ground conditions and in providing a framework for allocation and management of geotechnical risk. This paper outlines some of the key benefits of GBRs in regards to risk management for subsurface construction and discusses important considerations for baseline report preparation.
Risk Management through Geotechnical Baselines: A Designer's Perspective
Klein, Stephen J. (author) / Pennington, Thomas W. (author)
Geo-Congress 2014 ; 2014 ; Atlanta, Georgia
Geo-Congress 2014 Technical Papers ; 2322-2331
2014-02-24
Conference paper
Electronic Resource
English
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